533
WWUS76 KPDT 151024
NPWPDT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
224 AM PST THU JAN 15 2026
WAZ029-152000-
/O.NEW.KPDT.ZF.Y.0006.260115T1024Z-260115T2000Z/
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260116T1800Z/
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF DAYTON, WALLA WALLA, AND WAITSBURG
224 AM PST THU JAN 15 2026
..FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST TODAY
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
* WHAT...FOR THE FREEZING FOG ADVISORY, VISIBILITY ONE QUARTER MILE
OR LESS IN FREEZING FOG. FOR THE AIR STAGNATION ADVISORY, POOR AIR
QUALITY WILL CONTINUE. THIS IS DUE TO AN INVERSION AND STAGNANT
AIR CONDITIONS NEAR THE SURFACE THAT WILL CONTINUE TO TRAP
POLLUTANTS.
* WHERE...FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.
* WHEN...FOR THE FREEZING FOG ADVISORY, UNTIL NOON PST TODAY. FOR
THE AIR STAGNATION ADVISORY, UNTIL 10 AM PST FRIDAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS. LOW VISIBILITY COULD MAKE DRIVING CONDITIONS
HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF
AN AIR MASS ACROSS THE ADVISORY AREA, POLLUTION HAS THE POTENTIAL TO
INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS
SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS
OF AIR POLLUTION DURING PERIODS OF STAGNANT AIR, STATE AIR QUALITY
AGENCIES HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES, PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND, WHERE PEOPLE
LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR ANY CURRENT
RESTRICTIONS IN YOUR AREA.
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF
DISTANCE AHEAD OF YOU.
WAZ026-152000-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260116T1800Z/
/O.CON.KPDT.FG.Y.0006.000000T0000Z-260115T2000Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF ELLENSBURG AND THORP
224 AM PST THU JAN 15 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
..DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
* WHAT...FOR THE DENSE FOG ADVISORY, VISIBILITY ONE QUARTER MILE OR
LESS IN DENSE FOG. FOR THE AIR STAGNATION ADVISORY, POOR AIR
QUALITY WILL CONTINUE. THIS IS DUE TO AN INVERSION AND STAGNANT
AIR CONDITIONS NEAR THE SURFACE THAT WILL CONTINUE TO TRAP
POLLUTANTS.
* WHERE...KITTITAS VALLEY.
* WHEN...FOR THE AIR STAGNATION ADVISORY, UNTIL 10 AM PST FRIDAY.
FOR THE DENSE FOG ADVISORY, UNTIL NOON PST TODAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS. LOW VISIBILITY COULD MAKE DRIVING CONDITIONS
HAZARDOUS, ESPECIALLY ALONG PORTIONS OF I-90.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF
AN AIR MASS ACROSS THE ADVISORY AREA, POLLUTION HAS THE POTENTIAL TO
INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS
SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS
OF AIR POLLUTION DURING PERIODS OF STAGNANT AIR, STATE AIR QUALITY
AGENCIES HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES, PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND, WHERE PEOPLE
LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR ANY CURRENT
RESTRICTIONS IN YOUR AREA.
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF
DISTANCE AHEAD OF YOU.
WAZ027-152000-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260116T1800Z/
/O.CON.KPDT.FG.Y.0006.000000T0000Z-260115T2000Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF TOPPENISH, YAKIMA, SUNNYSIDE, AND NACHES
224 AM PST THU JAN 15 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
..DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
* WHAT...FOR THE DENSE FOG ADVISORY, VISIBILITY ONE QUARTER MILE OR
LESS IN DENSE FOG. FOR THE AIR STAGNATION ADVISORY, POOR AIR
QUALITY WILL CONTINUE. THIS IS DUE TO AN INVERSION AND STAGNANT
AIR CONDITIONS NEAR THE SURFACE THAT WILL CONTINUE TO TRAP
POLLUTANTS.
* WHERE...YAKIMA VALLEY.
* WHEN...FOR THE AIR STAGNATION ADVISORY, UNTIL 10 AM PST FRIDAY.
FOR THE DENSE FOG ADVISORY, UNTIL NOON PST TODAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS. LOW VISIBILITY COULD MAKE DRIVING CONDITIONS
HAZARDOUS, ESPECIALLY ALONG PORTIONS OF I-82.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF
AN AIR MASS ACROSS THE ADVISORY AREA, POLLUTION HAS THE POTENTIAL TO
INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS
SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS
OF AIR POLLUTION DURING PERIODS OF STAGNANT AIR, STATE AIR QUALITY
AGENCIES HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES, PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND, WHERE PEOPLE
LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR ANY CURRENT
RESTRICTIONS IN YOUR AREA.
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF
DISTANCE AHEAD OF YOU.
WAZ028-152000-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260116T1800Z/
/O.CON.KPDT.FG.Y.0006.000000T0000Z-260115T2000Z/
LOWER COLUMBIA BASIN OF WASHINGTON-
INCLUDING THE CITIES OF PROSSER, TRI-CITIES, AND CONNELL
224 AM PST THU JAN 15 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
..DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
* WHAT...FOR THE DENSE FOG ADVISORY, VISIBILITY ONE QUARTER MILE OR
LESS IN DENSE FOG. FOR THE AIR STAGNATION ADVISORY, POOR AIR
QUALITY WILL CONTINUE. THIS IS DUE TO AN INVERSION AND STAGNANT
AIR CONDITIONS NEAR THE SURFACE THAT WILL CONTINUE TO TRAP
POLLUTANTS.
* WHERE...LOWER COLUMBIA BASIN OF WASHINGTON.
* WHEN...FOR THE AIR STAGNATION ADVISORY, UNTIL 10 AM PST FRIDAY.
FOR THE DENSE FOG ADVISORY, UNTIL NOON PST TODAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS. LOW VISIBILITY COULD MAKE DRIVING CONDITIONS
HAZARDOUS, ESPECIALLY ALONG PORTIONS OF I-82, I-182 AND US-395.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF
AN AIR MASS ACROSS THE ADVISORY AREA, POLLUTION HAS THE POTENTIAL TO
INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS
SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS
OF AIR POLLUTION DURING PERIODS OF STAGNANT AIR, STATE AIR QUALITY
AGENCIES HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES, PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND, WHERE PEOPLE
LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR ANY CURRENT
RESTRICTIONS IN YOUR AREA.
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF
DISTANCE AHEAD OF YOU.
ORZ041-044-507-508-510-511-WAZ024-521-152000-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260116T1800Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF
OREGON-FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-NORTH CENTRAL
OREGON-CENTRAL OREGON-EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-
SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF ATHENA, BICKLETON, WHITE SALMON, REDMOND,
BOARDMAN, GOLDENDALE, MAUPIN, HEPPNER, BEND, DUFUR, PRINEVILLE,
MADRAS, THE DALLES, CONDON, ARLINGTON, PENDLETON, IONE, MORO,
HERMISTON, PILOT ROCK, AND FOSSIL
224 AM PST THU JAN 15 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
* WHAT...POOR AIR QUALITY WILL CONTINUE. THIS IS DUE TO AN INVERSION
AND STAGNANT AIR CONDITIONS NEAR THE SURFACE THAT WILL CONTINUE TO
TRAP POLLUTANTS.
* WHERE...EASTERN COLUMBIA RIVER GORGE OF OREGON AND WASHINGTON,
FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON, LOWER COLUMBIA BASIN OF
OREGON, NORTH CENTRAL OREGON, CENTRAL OREGON, AND SIMCOE HIGHLANDS.
* WHEN...UNTIL 10 AM PST FRIDAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF
AN AIR MASS ACROSS THE ADVISORY AREA, POLLUTION HAS THE POTENTIAL TO
INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS
SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS
OF AIR POLLUTION DURING PERIODS OF STAGNANT AIR, STATE AIR QUALITY
AGENCIES HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES, PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND, WHERE PEOPLE
LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR ANY CURRENT
RESTRICTIONS IN YOUR AREA.
MF
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page