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Home Return to list Heat Advisory 0008 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2025-07-24 00:24:22 678 WWUS71 KLWX 240523 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 123 AM EDT Thu Jul 24 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-241800- /O.NEW.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 123 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-241800- /O.NEW.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 123 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick VA, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ KR Action: New Issued At: 2025-07-24 00:24:22 678 WWUS71 KLWX 240523 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 123 AM EDT Thu Jul 24 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-241800- /O.NEW.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 123 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-241800- /O.NEW.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 123 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick VA, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ KR Action: Continued Issued At: 2025-07-24 09:36:08 442 WWUS71 KLWX 241435 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1035 AM EDT Thu Jul 24 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-242245- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 1035 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and northern Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-242245- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 1035 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ADS Action: Continued Issued At: 2025-07-24 09:36:08 442 WWUS71 KLWX 241435 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1035 AM EDT Thu Jul 24 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-242245- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 1035 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and northern Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-242245- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 1035 AM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ADS Action: Area Extended Issued At: 2025-07-24 12:19:42 474 WWUS71 KLWX 241719 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 119 PM EDT Thu Jul 24 2025 MDZ502-WVZ050-055-502-504-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Central and Eastern Allegany-Hampshire-Hardy-Eastern Grant- Eastern Mineral- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 101 expected. * WHERE...In Maryland, Central and Eastern Allegany County. In West Virginia, Eastern Grant, Eastern Mineral, Hampshire, and Hardy Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ VAZ055-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Stafford- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Stafford County. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and northern Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ADS Action: Continued Issued At: 2025-07-24 12:19:42 474 WWUS71 KLWX 241719 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 119 PM EDT Thu Jul 24 2025 MDZ502-WVZ050-055-502-504-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Central and Eastern Allegany-Hampshire-Hardy-Eastern Grant- Eastern Mineral- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 101 expected. * WHERE...In Maryland, Central and Eastern Allegany County. In West Virginia, Eastern Grant, Eastern Mineral, Hampshire, and Hardy Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ VAZ055-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Stafford- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Stafford County. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and northern Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ADS Action: Area Extended Issued At: 2025-07-24 12:19:42 474 WWUS71 KLWX 241719 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 119 PM EDT Thu Jul 24 2025 MDZ502-WVZ050-055-502-504-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Central and Eastern Allegany-Hampshire-Hardy-Eastern Grant- Eastern Mineral- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 101 expected. * WHERE...In Maryland, Central and Eastern Allegany County. In West Virginia, Eastern Grant, Eastern Mineral, Hampshire, and Hardy Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ VAZ055-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Stafford- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Stafford County. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and northern Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ADS Action: Continued Issued At: 2025-07-24 12:19:42 474 WWUS71 KLWX 241719 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 119 PM EDT Thu Jul 24 2025 MDZ502-WVZ050-055-502-504-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Central and Eastern Allegany-Hampshire-Hardy-Eastern Grant- Eastern Mineral- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 101 expected. * WHERE...In Maryland, Central and Eastern Allegany County. In West Virginia, Eastern Grant, Eastern Mineral, Hampshire, and Hardy Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ VAZ055-250130- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Stafford- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Stafford County. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053- 054-501-502-505-506-526-527-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and northern Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-VAZ026>031-WVZ051>053-250130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Morgan-Berkeley-Jefferson- 119 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, Warren, and Rockingham Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ADS Action: Continued Issued At: 2025-07-24 20:18:56 556 WWUS71 KLWX 250118 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 918 PM EDT Thu Jul 24 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051- 053>055-501-502-505-506-526-527-250930- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Stafford-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 918 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-250930- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 918 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ KLW Action: Continued Issued At: 2025-07-24 20:18:56 556 WWUS71 KLWX 250118 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 918 PM EDT Thu Jul 24 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051- 053>055-501-502-505-506-526-527-250930- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Stafford-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 918 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-250930- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 918 PM EDT Thu Jul 24 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ KLW Action: Continued Issued At: 2025-07-25 01:06:05 631 WWUS71 KLWX 250605 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 205 AM EDT Fri Jul 25 2025 VAZ050-056-057-251415- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Orange-Spotsylvania-King George- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...King George, Orange, and Spotsylvania Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051- 053>055-501-502-505-506-526-527-251415- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Stafford-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-251415- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 103 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CJL Action: Area Extended Issued At: 2025-07-25 01:06:05 631 WWUS71 KLWX 250605 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 205 AM EDT Fri Jul 25 2025 VAZ050-056-057-251415- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Orange-Spotsylvania-King George- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...King George, Orange, and Spotsylvania Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051- 053>055-501-502-505-506-526-527-251415- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Stafford-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-251415- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 103 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CJL Action: Continued Issued At: 2025-07-25 01:06:05 631 WWUS71 KLWX 250605 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 205 AM EDT Fri Jul 25 2025 VAZ050-056-057-251415- /O.EXA.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Orange-Spotsylvania-King George- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...King George, Orange, and Spotsylvania Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051- 053>055-501-502-505-506-526-527-251415- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Stafford-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern and northwest Virginia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-251415- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 205 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 103 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CJL Action: Continued Issued At: 2025-07-25 08:22:47 630 WWUS71 KLWX 251322 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 922 AM EDT Fri Jul 25 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-050-051- 053>057-501-502-505-506-526-527-252130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Orange- Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford- Spotsylvania-King George-Northern Fauquier-Southern Fauquier- Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 922 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-252130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 922 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 102 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ LFR Action: Continued Issued At: 2025-07-25 08:22:47 630 WWUS71 KLWX 251322 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 922 AM EDT Fri Jul 25 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-050-051- 053>057-501-502-505-506-526-527-252130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Orange- Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford- Spotsylvania-King George-Northern Fauquier-Southern Fauquier- Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 922 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-252130- /O.CON.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 922 AM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 102 expected. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ LFR Action: Continued Issued At: 2025-07-25 13:43:54 771 WWUS71 KLWX 251843 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 243 PM EDT Fri Jul 25 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-050-051- 053>057-501-502-505-506-526-527-260000- /O.CON.KLWX.HT.Y.0008.000000T0000Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Orange- Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford- Spotsylvania-King George-Northern Fauquier-Southern Fauquier- Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 243 PM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 107. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-260000- /O.CON.KLWX.HT.Y.0008.000000T0000Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 243 PM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 102. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ LFR Action: Continued Issued At: 2025-07-25 13:43:54 771 WWUS71 KLWX 251843 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 243 PM EDT Fri Jul 25 2025 DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-050-051- 053>057-501-502-505-506-526-527-260000- /O.CON.KLWX.HT.Y.0008.000000T0000Z-250726T0000Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Madison-Rappahannock-Orange- Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford- Spotsylvania-King George-Northern Fauquier-Southern Fauquier- Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 243 PM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 107. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MDZ003-502-VAZ026>031-WVZ050>053-055-502-504-260000- /O.CON.KLWX.HT.Y.0008.000000T0000Z-250726T0000Z/ Washington-Central and Eastern Allegany-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Eastern Grant-Eastern Mineral- 243 PM EDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 102. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ LFR | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||