522
WWUS75 KBOI 172028
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
128 PM MST SAT JAN 17 2026
IDZ011>014-016-028-033-ORZ061>064-182200-
/O.CON.KBOI.AS.Y.0001.000000T0000Z-260122T1800Z/
WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY-BOISE MOUNTAINS-
UPPER TREASURE VALLEY-WESTERN MAGIC VALLEY-CAMAS PRAIRIE-UPPER
WEISER RIVER-HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY-OREGON
LOWER TREASURE VALLEY-
INCLUDING THE CITIES OF NYSSA, CAMBRIDGE, SELBY, WARM LAKE, BEAR,
BURNS, GLENDALE, CALDWELL, NAMPA, DUNNEAN, COUNCIL, GOODRICH,
TWIN FALLS, FRUITVALE, BAKER, BLAINE, CRANE, OLA, INDIAN VALLEY,
VENATOR, ONTARIO, CUPRUM, SOLDIER, ANDERSON DAM, DIAMOND,
FAIRFIELD, MALHEUR CITY, HILL CITY, BUCHANAN, BOISE, CASCADE,
PRAIRIE, NEW PRINCETON, CORRAL, BIG CREEK, PINE, MESA, AND MCCALL
128 PM MST SAT JAN 17 2026 /1228 PM PST SAT JAN 17 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM
PST/ THURSDAY...
* 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/ THURSDAY.
* 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
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