099
WWUS75 KSLC 181037
NPWSLC
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
437 AM MDT MON MAY 18 2026
UTZ107-182100-
/O.EXA.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/
CACHE VALLEY/UTAH PORTION-
INCLUDING THE FOLLOWING LOCATIONS - SMITHFIELD AND LOGAN
437 AM MDT MON MAY 18 2026
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
TUESDAY...
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS THE MID TO UPPER 20S
EXPECTED.
* WHERE...CACHE VALLEY/UTAH PORTION.
* WHEN...FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
DRAIN IN-GROUND SPRINKLER SYSTEMS AND COVER ABOVE GROUND PIPES.
UTZ108-115-116-118-119-122-182100-
/O.CON.KSLC.FZ.W.0019.000000T0000Z-260518T1500Z/
/O.CON.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/
WASATCH BACK-WESTERN MILLARD AND JUAB COUNTIES-EASTERN
JUAB/MILLARD COUNTIES-SANPETE VALLEY-SEVIER VALLEY-SOUTHWEST UTAH-
INCLUDING THE FOLLOWING LOCATIONS - EPHRAIM, LITTLE SAHARA, HEBER
CITY, DELTA, MT PLEASANT, SCIPIO, CEDAR CITY, HUNTSVILLE,
FILLMORE, PARK CITY, SALINA, NEPHI, MILFORD, MANTI, RICHFIELD,
AND BEAVER
437 AM MDT MON MAY 18 2026
..FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
MDT TUESDAY...
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS THE MID TO UPPER 20S
EXPECTED.
* WHERE...EASTERN JUAB/MILLARD COUNTIES, SANPETE VALLEY, SEVIER
VALLEY, WESTERN MILLARD AND JUAB COUNTIES, WASATCH BACK, AND
SOUTHWEST UTAH.
* WHEN...FOR THE FIRST FREEZE WARNING, UNTIL 9 AM MDT TODAY. FOR THE
SECOND FREEZE WARNING, FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
DRAIN IN-GROUND SPRINKLER SYSTEMS AND COVER ABOVE GROUND PIPES.
UTZ114-182100-
/O.CON.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/
WESTERN UINTA BASIN-
INCLUDING THE FOLLOWING LOCATIONS - ROOSEVELT AND DUCHESNE
437 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
MDT TUESDAY...
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS THE MID TO UPPER 20S
EXPECTED.
* WHERE...WESTERN UINTA BASIN.
* WHEN...FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
DRAIN IN-GROUND SPRINKLER SYSTEMS AND COVER ABOVE GROUND PIPES.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTPS://WEATHER.GOV/SALTLAKECITY.
FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT
HTTP://UDOTTRAFFIC.UTAH.GOV
BW
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