WWUS75 KSLC 182322
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
522 PM MDT Mon May 18 2026

UTZ103-106-191500-
/O.EXA.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/
Eastern Box Elder County-Utah Valley-
Including the following locations - Snowville, Lehi, Provo,
Payson, and Brigham City
522 PM 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 upper 20s to low 
  30s expected.

* WHERE...Eastern Box Elder County and Utah Valley.

* 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.

&&

$$

UTZ107-108-114>116-118>120-122-191500-
/O.CON.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/
Cache Valley/Utah Portion-Wasatch Back-Western Uinta Basin-
Western Millard and Juab Counties-Eastern Juab/Millard Counties-
Sanpete Valley-Sevier Valley-Castle Country-Southwest Utah-
Including the following locations - Price, Mt Pleasant, Duchesne,
Smithfield, Park City, Emery, Cedar City, Logan, Salina, Delta,
Huntsville, Nephi, Manti, Fillmore, Richfield, Castle Dale,
Ephraim, Beaver, Little Sahara, Heber City, Milford, Roosevelt,
and Scipio
522 PM 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...Castle Country, Eastern Juab/Millard Counties, Sanpete 
  Valley, Sevier Valley, Western Millard and Juab Counties, Cache 
  Valley/Utah Portion, Wasatch Back, Western Uinta Basin, and 
  Southwest Utah.

* 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

LC