|
Home Return to list Air Stagnation Advisory 0002 Issued by the Boise Forecast Office
Action: New Issued At: 2026-01-31 02:35:36 538 WWUS75 KBOI 310835 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 135 AM MST Sat Jan 31 2026 IDZ012-033-ORZ064-312100- /O.NEW.KBOI.AS.Y.0002.260131T1200Z-260206T1800Z/ Lower Treasure Valley-Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Council, Nyssa, Mesa, Nampa, Caldwell, Glendale, Fruitvale, Cambridge, Indian Valley, Goodrich, and Ontario 135 AM MST Sat Jan 31 2026 /1235 AM PST Sat Jan 31 2026/ ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/ EARLY THIS MORNING TO 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...From 5 AM MST /4 AM PST/ early this morning to 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JDS Action: Continued Issued At: 2026-01-31 14:52:51 940 WWUS75 KBOI 312052 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 152 PM MST Sat Jan 31 2026 IDZ012-033-ORZ064-011400- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Council, Indian Valley, Nampa, Fruitvale, Goodrich, Ontario, Caldwell, Glendale, Mesa, Nyssa, and Cambridge 152 PM MST Sat Jan 31 2026 /1252 PM PST Sat Jan 31 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC Action: Continued Issued At: 2026-02-01 05:23:51 321 WWUS75 KBOI 011123 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 423 AM MST Sun Feb 1 2026 IDZ012-033-ORZ064-012200- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Fruitvale, Nampa, Glendale, Council, Cambridge, Ontario, Nyssa, Caldwell, Indian Valley, Goodrich, and Mesa 423 AM MST Sun Feb 1 2026 /323 AM PST Sun Feb 1 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JM Action: Continued Issued At: 2026-02-01 14:50:24 980 WWUS75 KBOI 012050 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 150 PM MST Sun Feb 1 2026 IDZ012-033-ORZ064-021400- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Indian Valley, Cambridge, Nyssa, Fruitvale, Mesa, Ontario, Goodrich, Council, Glendale, Nampa, and Caldwell 150 PM MST Sun Feb 1 2026 /1250 PM PST Sun Feb 1 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC Action: Area Extended Issued At: 2026-02-02 01:24:12 553 WWUS75 KBOI 020723 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1223 AM MST Mon Feb 2 2026 IDZ014-016-022200- /O.EXA.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Upper Treasure Valley-Western Magic Valley- Including the cities of Boise and Twin Falls 1223 AM MST Mon Feb 2 2026 ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Western Magic Valley and Upper Treasure Valley. * WHEN...Until 11 AM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ IDZ012-033-ORZ064-022200- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Nyssa, Council, Caldwell, Nampa, Mesa, Cambridge, Fruitvale, Ontario, Glendale, Indian Valley, and Goodrich 1223 AM MST Mon Feb 2 2026 /1123 PM PST Sun Feb 1 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JM Action: Continued Issued At: 2026-02-02 01:24:12 553 WWUS75 KBOI 020723 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1223 AM MST Mon Feb 2 2026 IDZ014-016-022200- /O.EXA.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Upper Treasure Valley-Western Magic Valley- Including the cities of Boise and Twin Falls 1223 AM MST Mon Feb 2 2026 ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Western Magic Valley and Upper Treasure Valley. * WHEN...Until 11 AM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ IDZ012-033-ORZ064-022200- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Nyssa, Council, Caldwell, Nampa, Mesa, Cambridge, Fruitvale, Ontario, Glendale, Indian Valley, and Goodrich 1223 AM MST Mon Feb 2 2026 /1123 PM PST Sun Feb 1 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JM Action: Continued Issued At: 2026-02-02 14:55:53 836 WWUS75 KBOI 022055 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1255 PM PST Mon Feb 2 2026 ORZ062-063-030500- /O.EXA.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Baker County-Malheur County- Including the cities of Malheur City and Baker 1255 PM PST Mon Feb 2 2026 /155 PM MST Mon Feb 2 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST /11 AM MST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Baker County and Malheur County. * WHEN...Until 10 AM PST /11 AM MST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ IDZ012-014-016-033-ORZ064-030500- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Cambridge, Glendale, Council, Caldwell, Goodrich, Mesa, Nyssa, Indian Valley, Nampa, Fruitvale, Ontario, Twin Falls, and Boise 155 PM MST Mon Feb 2 2026 /1255 PM PST Mon Feb 2 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JB Action: Area Extended Issued At: 2026-02-02 14:55:53 836 WWUS75 KBOI 022055 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1255 PM PST Mon Feb 2 2026 ORZ062-063-030500- /O.EXA.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Baker County-Malheur County- Including the cities of Malheur City and Baker 1255 PM PST Mon Feb 2 2026 /155 PM MST Mon Feb 2 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST /11 AM MST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Baker County and Malheur County. * WHEN...Until 10 AM PST /11 AM MST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ IDZ012-014-016-033-ORZ064-030500- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Cambridge, Glendale, Council, Caldwell, Goodrich, Mesa, Nyssa, Indian Valley, Nampa, Fruitvale, Ontario, Twin Falls, and Boise 155 PM MST Mon Feb 2 2026 /1255 PM PST Mon Feb 2 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JB Action: Continued Issued At: 2026-02-02 23:20:06 844 WWUS75 KBOI 030519 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1019 PM MST Mon Feb 2 2026 IDZ012-014-016-033-ORZ062>064-031400- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Mesa, Glendale, Indian Valley, Malheur City, Twin Falls, Fruitvale, Caldwell, Goodrich, Ontario, Boise, Council, Cambridge, Baker, Nampa, and Nyssa 1019 PM MST Mon Feb 2 2026 /919 PM PST Mon Feb 2 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 11 AM MST /10 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ KA Action: Time Extended Issued At: 2026-02-03 02:40:10 998 WWUS75 KBOI 030839 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 139 AM MST Tue Feb 3 2026 IDZ012-014-016-033-ORZ062>064-032200- /O.EXT.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Goodrich, Mesa, Glendale, Ontario, Nampa, Boise, Malheur City, Cambridge, Baker, Indian Valley, Fruitvale, Nyssa, Twin Falls, Caldwell, and Council 139 AM MST Tue Feb 3 2026 /1239 AM PST Tue Feb 3 2026/ ...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/ MONDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC Action: Continued Issued At: 2026-02-03 15:05:21 274 WWUS75 KBOI 032104 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 204 PM MST Tue Feb 3 2026 IDZ012-014-016-033-ORZ062>064-042200- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Goodrich, Twin Falls, Malheur City, Caldwell, Nampa, Baker, Council, Indian Valley, Fruitvale, Ontario, Mesa, Nyssa, Cambridge, Boise, and Glendale 204 PM MST Tue Feb 3 2026 /104 PM PST Tue Feb 3 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ MONDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ Action: Continued Issued At: 2026-02-05 14:27:20 930 WWUS75 KBOI 052027 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 127 PM MST Thu Feb 5 2026 IDZ012-014-016-033-ORZ062>064-062130- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Nyssa, Council, Fruitvale, Twin Falls, Indian Valley, Mesa, Glendale, Malheur City, Baker, Goodrich, Ontario, Nampa, Boise, Cambridge, and Caldwell 127 PM MST Thu Feb 5 2026 /1227 PM PST Thu Feb 5 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ MONDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ NF Action: Continued Issued At: 2026-02-06 03:14:08 403 WWUS75 KBOI 060913 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 213 AM MST Fri Feb 6 2026 IDZ012-014-016-033-ORZ064-061715- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ /O.NEW.KBOI.AS.Y.0003.260206T1200Z-260209T0600Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Nampa, Indian Valley, Caldwell, Nyssa, Council, Ontario, Twin Falls, Goodrich, Mesa, Boise, Glendale, Fruitvale, and Cambridge 213 AM MST Fri Feb 6 2026 /113 AM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 PM MST /10 PM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 PM MST /10 PM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ ORZ063-061715- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ /O.NEW.KBOI.AS.Y.0003.260206T1200Z-260208T1800Z/ Malheur County- Including the cities of Malheur City 213 AM MST Fri Feb 6 2026 /113 AM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST /10 AM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Malheur County. * WHEN...Until 11 AM MST /10 AM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ ORZ062-061715- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Baker County- Including the cities of Baker 113 AM PST Fri Feb 6 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Baker County. * WHEN...Until 4 AM PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC Action: Cancelled Issued At: 2026-02-06 03:14:08 403 WWUS75 KBOI 060913 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 213 AM MST Fri Feb 6 2026 IDZ012-014-016-033-ORZ064-061715- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ /O.NEW.KBOI.AS.Y.0003.260206T1200Z-260209T0600Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Nampa, Indian Valley, Caldwell, Nyssa, Council, Ontario, Twin Falls, Goodrich, Mesa, Boise, Glendale, Fruitvale, and Cambridge 213 AM MST Fri Feb 6 2026 /113 AM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 PM MST /10 PM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 PM MST /10 PM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ ORZ063-061715- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ /O.NEW.KBOI.AS.Y.0003.260206T1200Z-260208T1800Z/ Malheur County- Including the cities of Malheur City 213 AM MST Fri Feb 6 2026 /113 AM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST /10 AM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Malheur County. * WHEN...Until 11 AM MST /10 AM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ ORZ062-061715- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Baker County- Including the cities of Baker 113 AM PST Fri Feb 6 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Baker County. * WHEN...Until 4 AM PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC Action: Cancelled Issued At: 2026-02-06 03:14:08 403 WWUS75 KBOI 060913 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 213 AM MST Fri Feb 6 2026 IDZ012-014-016-033-ORZ064-061715- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ /O.NEW.KBOI.AS.Y.0003.260206T1200Z-260209T0600Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Nampa, Indian Valley, Caldwell, Nyssa, Council, Ontario, Twin Falls, Goodrich, Mesa, Boise, Glendale, Fruitvale, and Cambridge 213 AM MST Fri Feb 6 2026 /113 AM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 PM MST /10 PM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 PM MST /10 PM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ ORZ063-061715- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ /O.NEW.KBOI.AS.Y.0003.260206T1200Z-260208T1800Z/ Malheur County- Including the cities of Malheur City 213 AM MST Fri Feb 6 2026 /113 AM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST /10 AM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Malheur County. * WHEN...Until 11 AM MST /10 AM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ ORZ062-061715- /O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Baker County- Including the cities of Baker 113 AM PST Fri Feb 6 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Baker County. * WHEN...Until 4 AM PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC Action: Cancelled Issued At: 2026-02-06 15:39:54 016 WWUS75 KBOI 062139 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 139 PM PST Fri Feb 6 2026 ORZ062-062245- /O.CAN.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/ Baker County- Including the cities of Baker 139 PM PST Fri Feb 6 2026 ...AIR STAGNATION ADVISORY IS CANCELLED... $$ ORZ063-062245- /O.CAN.KBOI.AS.Y.0003.000000T0000Z-260208T1800Z/ Malheur County- Including the cities of Malheur City 239 PM MST Fri Feb 6 2026 /139 PM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY IS CANCELLED... $$ IDZ012-014-016-033-ORZ064-071000- /O.CON.KBOI.AS.Y.0003.000000T0000Z-260209T0600Z/ Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Oregon Lower Treasure Valley- Including the cities of Ontario, Nampa, Glendale, Nyssa, Boise, Twin Falls, Caldwell, Cambridge, Mesa, Goodrich, Indian Valley, Council, and Fruitvale 239 PM MST Fri Feb 6 2026 /139 PM PST Fri Feb 6 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST /10 PM PST/ SUNDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 PM MST /10 PM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ KA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||