Freeze Warning Utah | Effective 04/04/2026 08:31

Headline: 
Freeze Warning issued April 4 at 9:31AM MDT until April 5 at 9:00AM MDT by NWS Salt Lake City UT
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
April 4, 2026 - 8:31am
Expires: 
April 4, 2026 - 11:45pm
Description: 
* WHAT...Sub-freezing temperatures as low as 29 expected across eastern Box Elder County, the Rush Valley, southern portions of the Tooele Valley, Utah Valley south of Provo and west of Utah Lake, and the San Rafael Swell area including Green River. * WHERE...San Rafael Swell, Eastern Box Elder County, Tooele and Rush Valleys, and Utah Valley. * WHEN...From 8 PM this evening to 9 AM MDT Sunday. * 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.
Area Description: 
Tooele and Rush Valleys; Eastern Box Elder County; Utah Valley; San Rafael Swell
Forcast Office: 
NWS Salt Lake City UT
Sender: 
w-nws.webmaster@noaa.gov