4/1/2026 11:51:00 PM until 4/2/2026 4:00:00 PM

* WHAT...Sub-freezing temperatures. Along the Wasatch Front, Tooele Valley, and San Rafael Swell, temperatures dropping into the mid 20s to low 30s are expected Friday morning. Within the Rush Valley, temperatures below 20 are possible Friday morning. * WHERE...The Wasatch Front, Tooele and Rush Valleys, and San Rafael Swell. * WHEN...From Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.