773
WWUS76 KPDT 170051
NPWPDT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
451 PM PST FRI JAN 16 2026
ORZ511-171500-
/O.EXA.KPDT.ZF.Y.0007.000000T0000Z-260117T2000Z/
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260121T0000Z/
CENTRAL OREGON-
INCLUDING THE CITIES OF MADRAS, REDMOND, PRINEVILLE, AND BEND
451 PM PST FRI JAN 16 2026
..FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST SATURDAY
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
TUESDAY...
* 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...CENTRAL OREGON.
* WHEN...FOR THE FREEZING FOG ADVISORY, UNTIL NOON PST SATURDAY. FOR
THE AIR STAGNATION ADVISORY, UNTIL 4 PM PST TUESDAY.
* 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.
ORZ510-171500-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260121T0000Z/
/O.CON.KPDT.ZF.Y.0007.000000T0000Z-260117T2000Z/
NORTH CENTRAL OREGON-
INCLUDING THE CITIES OF DUFUR, MORO, AND MAUPIN
451 PM PST FRI JAN 16 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
TUESDAY...
..FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST SATURDAY
* WHAT...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. FOR THE
FREEZING FOG ADVISORY, VISIBILITY ONE QUARTER MILE OR LESS IN
FREEZING FOG.
* WHERE...NORTH CENTRAL OREGON.
* WHEN...FOR THE AIR STAGNATION ADVISORY, UNTIL 4 PM PST TUESDAY.
FOR THE FREEZING FOG ADVISORY, UNTIL NOON PST SATURDAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS. LOW VISIBILITY COULD MAKE DRIVING CONDITIONS
HAZARDOUS, ESPECIALLY ALONG PORTIONS OF US-97.
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.
WAZ026-027-171500-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260121T0000Z/
/O.CON.KPDT.ZF.Y.0007.000000T0000Z-260117T2000Z/
KITTITAS VALLEY-YAKIMA VALLEY-
INCLUDING THE CITIES OF SUNNYSIDE, ELLENSBURG, YAKIMA, NACHES,
TOPPENISH, AND THORP
451 PM PST FRI JAN 16 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
TUESDAY...
..FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST SATURDAY
* WHAT...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. FOR THE
FREEZING FOG ADVISORY, VISIBILITY AS LOW AS ONE QUARTER MILE OR
LESS IN FREEZING FOG.
* WHERE...KITTITAS VALLEY AND YAKIMA VALLEY.
* WHEN...FOR THE AIR STAGNATION ADVISORY, UNTIL 4 PM PST TUESDAY.
FOR THE FREEZING FOG ADVISORY, UNTIL NOON PST SATURDAY.
* 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.
ORZ041-044-507-508-WAZ024-028-029-521-171500-
/O.CON.KPDT.AS.Y.0002.000000T0000Z-260121T0000Z/
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-EASTERN
COLUMBIA RIVER GORGE OF WASHINGTON-LOWER COLUMBIA BASIN OF
WASHINGTON-FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-SIMCOE
HIGHLANDS-
INCLUDING THE CITIES OF BOARDMAN, PROSSER, HERMISTON, ARLINGTON,
FOSSIL, IONE, CONDON, TRI-CITIES, THE DALLES, PENDLETON,
WAITSBURG, GOLDENDALE, WALLA WALLA, DAYTON, BICKLETON, CONNELL,
HEPPNER, WHITE SALMON, PILOT ROCK, AND ATHENA
451 PM PST FRI JAN 16 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
TUESDAY...
* 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...FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON AND WASHINGTON,
EASTERN COLUMBIA RIVER GORGE OF OREGON AND WASHINGTON, LOWER
COLUMBIA BASIN OF OREGON AND WASHINGTON, AND SIMCOE HIGHLANDS.
* WHEN...UNTIL 4 PM PST TUESDAY.
* 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.
MC
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