Utah Severe Extreme Heat Warning | Effective 07/13/2026 10:15

Headline: 
Extreme Heat Warning issued July 13 at 11:15AM MDT until July 14 at 6:00AM MDT by NWS Salt Lake City UT
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 13, 2026 - 10:15am
Expires: 
July 14, 2026 - 5:00am
Description: 
* WHAT...Dangerously hot conditions with high temperatures up to 105 possible for the valleys of northern Utah, including the Wasatch Front and Cache Valley. Highs 95 to 100 possible for the mountain valleys of northern and central Utah, including the Wasatch Back, along Castle Country, the Uinta Basin, and the San Rafael Swell. * WHERE...Portions of central and northern Utah. * WHEN...Until 6 AM MDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures into Tuesday morning will stay elevated in the mid to upper 70s for most lower valley locations, offering little relief overnight.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
Great Salt Lake Desert and Mountains; Tooele and Rush Valleys; Eastern Box Elder County; Northern Wasatch Front; Salt Lake Valley; Utah Valley; Cache Valley/Utah Portion; Wasatch Back; Western Uinta Basin; Eastern Juab/Millard Counties; Sanpete Valley; Sevier Valley; Castle Country; San Rafael Swell
Forcast Office: 
NWS Salt Lake City UT