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Home Return to list Fire Weather Warning 0032 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2025-12-22 02:48:31 752 WWUS85 KBOU 220848 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 148 AM MST Mon Dec 22 2025 ...CRITICAL FIRE WEATHER TODAY... .Near record temperatures today, combined with another period of gusty westerly winds in and near the Front Range foothills will lead to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. COZ214>216-221800- /O.UPG.KBOU.FW.A.0018.251222T1500Z-251223T0000Z/ /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Central and Southeast Park County- Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE FOOTHILLS AND SOUTH PARK...FIRE ZONES 214 THROUGH 216... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 20 to 30 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ239-241-221800- /O.UPG.KBOU.FW.A.0018.251222T1500Z-251223T0000Z/ /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONES 239 AND 241... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ238-221800- /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 238 ESPECIALLY ACROSS NORTHEAST LARIMER AND NORTHWEST WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. * AFFECTED AREA...Fire Weather Zone 238. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Action: New Issued At: 2025-12-22 02:48:31 752 WWUS85 KBOU 220848 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 148 AM MST Mon Dec 22 2025 ...CRITICAL FIRE WEATHER TODAY... .Near record temperatures today, combined with another period of gusty westerly winds in and near the Front Range foothills will lead to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. COZ214>216-221800- /O.UPG.KBOU.FW.A.0018.251222T1500Z-251223T0000Z/ /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Central and Southeast Park County- Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE FOOTHILLS AND SOUTH PARK...FIRE ZONES 214 THROUGH 216... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 20 to 30 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ239-241-221800- /O.UPG.KBOU.FW.A.0018.251222T1500Z-251223T0000Z/ /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONES 239 AND 241... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ238-221800- /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 238 ESPECIALLY ACROSS NORTHEAST LARIMER AND NORTHWEST WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. * AFFECTED AREA...Fire Weather Zone 238. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Action: New Issued At: 2025-12-22 02:48:31 752 WWUS85 KBOU 220848 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 148 AM MST Mon Dec 22 2025 ...CRITICAL FIRE WEATHER TODAY... .Near record temperatures today, combined with another period of gusty westerly winds in and near the Front Range foothills will lead to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. COZ214>216-221800- /O.UPG.KBOU.FW.A.0018.251222T1500Z-251223T0000Z/ /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Central and Southeast Park County- Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE FOOTHILLS AND SOUTH PARK...FIRE ZONES 214 THROUGH 216... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 20 to 30 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ239-241-221800- /O.UPG.KBOU.FW.A.0018.251222T1500Z-251223T0000Z/ /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONES 239 AND 241... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ238-221800- /O.NEW.KBOU.FW.W.0032.251222T1500Z-251223T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- 148 AM MST Mon Dec 22 2025 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 238 ESPECIALLY ACROSS NORTHEAST LARIMER AND NORTHWEST WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. * AFFECTED AREA...Fire Weather Zone 238. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Action: Expired Issued At: 2025-12-22 17:57:58 001 WWUS85 KBOU 222357 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 457 PM MST Mon Dec 22 2025 COZ214>216-230100- /O.EXP.KBOU.FW.W.0032.000000T0000Z-251223T0000Z/ Central and Southeast Park County- Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- 457 PM MST Mon Dec 22 2025 ...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE FOOTHILLS AND SOUTH PARK...FIRE ZONES 214 THROUGH 216... Relative humidity values have started to improve. There are still patchy areas of elevated fire weather conditions, but RH values will continue to increase and winds will decrease over the next hour. $$ COZ238-239-241-230100- /O.EXP.KBOU.FW.W.0032.000000T0000Z-251223T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet- 457 PM MST Mon Dec 22 2025 ...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 238 ESPECIALLY ACROSS NORTHEAST LARIMER AND NORTHWEST WELD COUNTIES... Relative humidity values have started to improve. There are still patchy areas of elevated fire weather conditions, but RH values will continue to increase and winds will decrease over the next hour. $$ Action: Expired Issued At: 2025-12-22 17:57:58 001 WWUS85 KBOU 222357 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 457 PM MST Mon Dec 22 2025 COZ214>216-230100- /O.EXP.KBOU.FW.W.0032.000000T0000Z-251223T0000Z/ Central and Southeast Park County- Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- 457 PM MST Mon Dec 22 2025 ...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE FOOTHILLS AND SOUTH PARK...FIRE ZONES 214 THROUGH 216... Relative humidity values have started to improve. There are still patchy areas of elevated fire weather conditions, but RH values will continue to increase and winds will decrease over the next hour. $$ COZ238-239-241-230100- /O.EXP.KBOU.FW.W.0032.000000T0000Z-251223T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet- 457 PM MST Mon Dec 22 2025 ...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 238 ESPECIALLY ACROSS NORTHEAST LARIMER AND NORTHWEST WELD COUNTIES... Relative humidity values have started to improve. There are still patchy areas of elevated fire weather conditions, but RH values will continue to increase and winds will decrease over the next hour. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||