007
WWUS75 KRIW 151645
NPWRIW
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1045 AM MDT MON SEP 15 2025
WYZ013-023-161300-
/O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/
JACKSON HOLE-STAR VALLEY-
INCLUDING THE CITIES OF JACKSON, AFTON, STAR VALLEY RANCH,
ALPINE, AND THAYNE
1045 AM MDT MON SEP 15 2025
..FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY
* WHAT...SUB-FREEZING TEMPERATURES OF 30 TO 33 EXPECTED, WITH
ISOLATED AREAS AS LOW AS 28.
* WHERE...JACKSON HOLE AND STAR VALLEY.
* WHEN...FROM 1 AM TO 7 AM MDT TUESDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION, AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
* ADDITIONAL DETAILS...THERE IS AN 80 PERCENT CHANCE OF WIDESPREAD
TEMPERATURES OF 32 OR LESS OCCURRING. CLOUD COVER COULD KEEP LOW
TEMPERATURES WARMER THAN IS CURRENTLY EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
WYZ025-161300-
/O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITIES OF PINEDALE
1045 AM MDT MON SEP 15 2025
..FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY
* WHAT...SUB-FREEZING TEMPERATURES 28 TO 32 EXPECTED AROUND
PINEDALE, 26 TO 30 AROUND DANIEL, AND AS LOW AS 23 AROUND
BONDURANT.
* WHERE...UPPER GREEN RIVER BASIN FOOTHILLS.
* WHEN...FROM 1 AM TO 7 AM MDT TUESDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION, AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
* ADDITIONAL DETAILS...THERE IS A 90 TO 100 PERCENT CHANCE OF
WIDESPREAD TEMPERATURES OF 32 OR LESS OCCURRING. CLOUD COVER COULD
KEEP LOW TEMPERATURES WARMER THAN IS CURRENTLY EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
WYZ026-161300-
/O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF FARSON, BIG PINEY, AND LA BARGE
1045 AM MDT MON SEP 15 2025
..FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 28 EXPECTED ACROSS THE
NORTHERN HALF OF THE BASIN, INCLUDING BIG PINEY. ISOLATED COLDER
TEMPERATURES POSSIBLE ALONG THE GREEN RIVER. WARMER LOWS 38 TO 40
DEGREES EXPECTED FOR THE FAR SOUTHERN BASIN, INCLUDING FARSON.
* WHERE...UPPER GREEN RIVER BASIN.
* WHEN...FROM 1 AM TO 7 AM MDT TUESDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION, AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
* ADDITIONAL DETAILS...THERE IS AN 85 PERCENT CHANCE OF WIDESPREAD
TEMPERATURES OF 32 OR LESS OCCURRING ACROSS THE NORTHERN BASIN.
CLOUD COVER COULD KEEP LOW TEMPERATURES WARMER THAN IS CURRENTLY
EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT
HTTPS://WEATHER.GOV/RIW/ .
WITTMANN
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