094
WWUS75 KBOI 302025
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
125 PM MST TUE DEC 30 2025
IDZ016-ORZ062-302130-
/O.CAN.KBOI.AS.Y.0005.000000T0000Z-260103T1200Z/
WESTERN MAGIC VALLEY-BAKER COUNTY-
INCLUDING THE CITIES OF BAKER AND TWIN FALLS
125 PM MST TUE DEC 30 2025 /1225 PM PST TUE DEC 30 2025/
..AIR STAGNATION ADVISORY IS CANCELLED
DAYTIME WINDS WILL PROVIDE ENOUGH MIXING TO KEEP STAGNANT CONDITIONS
FROM PERSISTING.
IDZ011-013-311300-
/O.EXB.KBOI.AS.Y.0005.000000T0000Z-260103T1500Z/
WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-
INCLUDING THE CITIES OF CASCADE, BIG CREEK, PINE, CUPRUM, BEAR,
MCCALL, PRAIRIE, WARM LAKE, ANDERSON DAM, AND OLA
125 PM MST TUE DEC 30 2025
..AIR STAGNATION ADVISORY IN EFFECT UNTIL 8 AM MST SATURDAY
* WHAT...A 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...BOISE MOUNTAINS AND WEST CENTRAL MOUNTAINS.
* WHEN...UNTIL 8 AM MST SATURDAY.
* 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.
IDZ012-014-028-033-ORZ061-063-064-311300-
/O.EXT.KBOI.AS.Y.0005.000000T0000Z-260103T1500Z/
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-CAMAS PRAIRIE-UPPER
WEISER RIVER-HARNEY COUNTY-MALHEUR COUNTY-OREGON LOWER TREASURE
VALLEY-
INCLUDING THE CITIES OF BOISE, HILL CITY, BURNS, DUNNEAN,
FAIRFIELD, SOLDIER, NEW PRINCETON, VENATOR, CORRAL, BLAINE,
NAMPA, MALHEUR CITY, FRUITVALE, NYSSA, DIAMOND, COUNCIL,
CALDWELL, INDIAN VALLEY, GOODRICH, SELBY, ONTARIO, CRANE,
BUCHANAN, MESA, GLENDALE, AND CAMBRIDGE
125 PM MST TUE DEC 30 2025 /1225 PM PST TUE DEC 30 2025/
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 8 AM MST /7 AM PST/
SATURDAY...
* WHAT...A 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 SOUTHWEST IDAHO AND SOUTHEAST OREGON.
* WHEN...UNTIL 8 AM MST /7 AM PST/ SATURDAY.
* 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.
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