Weather Warnings for Utah

Issued by the National Weather Service

Current watches, warnings, and advisories for Utah
Alerts Updated: August 6, 2026, 12:00 am  UTC


Extreme Heat Warning issued August 5 at 9:46AM MDT until August 8 at 9:00PM MDT by NWS Salt Lake City UT

Summary: * WHAT...Dangerously hot conditions with temperatures up to 105 expected for most valley locations. Temperatures may approach or exceed 110 degrees for Lower Washington County, Glen Canyon, and Zion Canyon. Overnight lows in the upper 70s to low 80s will offer little relief. * WHERE...Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Western Canyonlands, Lower Washington County, and Zion National Park. Warm overnight lows in the upper 70s to low 80s will offer little relief. * WHEN...From noon Thursday to 9 PM MDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Severity:  Severe    Effective:  August 5, 2026, 9:46 am      Expires:  August 5, 2026, 11:15 pm
Area:  Lower Washington County; Zion National Park; South Central Utah; Capitol Reef National Park and Vicinity; Western Canyonlands; Glen Canyon Recreation Area/Lake Powell


Heat Advisory issued August 5 at 9:46AM MDT until August 8 at 9:00PM MDT by NWS Salt Lake City UT

Summary: * WHAT...Temperatures up to 100 expected. * WHERE...Sanpete Valley, Sevier Valley, Bryce Canyon Country, Upper Sevier River Valleys, and Southwest Utah. * WHEN...From noon Thursday to 9 PM MDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses.
Severity:  Moderate    Effective:  August 5, 2026, 9:46 am      Expires:  August 5, 2026, 11:15 pm
Area:  Sanpete Valley; Sevier Valley; Southwest Utah; Upper Sevier River Valleys; Bryce Canyon Country


Heat Advisory issued August 5 at 9:46AM MDT until August 10 at 12:00AM MDT by NWS Salt Lake City UT

Summary: * WHAT...Temperatures up to 100 expected. * WHERE...Eastern Juab/Millard Counties, Cache Valley/Utah Portion, Eastern Box Elder County, Utah Valley, and Western Uinta Basin. * WHEN...From noon Friday to midnight MDT Sunday Night. * IMPACTS...Hot temperatures may cause heat illnesses.
Severity:  Moderate    Effective:  August 5, 2026, 9:46 am      Expires:  August 5, 2026, 11:15 pm
Area:  Eastern Box Elder County; Utah Valley; Cache Valley/Utah Portion; Western Uinta Basin; Eastern Juab/Millard Counties


Extreme Heat Warning issued August 5 at 9:46AM MDT until August 10 at 12:00AM MDT by NWS Salt Lake City UT

Summary: * WHAT...Dangerously hot conditions with temperatures up to 104 expected. Warm overnight lows in the mid to high 70s will offer little relief. * WHERE...Castle Country, San Rafael Swell, Western Millard and Juab Counties, Great Salt Lake Desert and Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele and Rush Valleys. * WHEN...From noon Friday to midnight MDT Sunday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Severity:  Severe    Effective:  August 5, 2026, 9:46 am      Expires:  August 5, 2026, 11:15 pm
Area:  Great Salt Lake Desert and Mountains; Tooele and Rush Valleys; Northern Wasatch Front; Salt Lake Valley; Western Millard and Juab Counties; Castle Country; San Rafael Swell