Utah Freeze Warning | Effective 05/18/2026 16:22

Headline: 
Freeze Warning issued May 18 at 5:22PM MDT until May 19 at 9:00AM MDT by NWS Salt Lake City UT
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
May 18, 2026 - 4:22pm
Expires: 
May 19, 2026 - 8:00am
Description: 
* 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.
Instruction: 
Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes.
Area Description: 
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
Forcast Office: 
NWS Salt Lake City UT