Utah Moderate Heat Advisory | Effective 08/20/2026 03:39

Headline: 
Heat Advisory issued August 20 at 4:39AM MDT until August 21 at 7:00AM MDT by NWS Salt Lake City UT
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 20, 2026 - 3:39am
Expires: 
August 20, 2026 - 6:45pm
Description: 
* WHAT...High temperatures to around 100 degrees expected alongside overnight low temperatures in the upper-60s to low-70s. * WHERE...Eastern Juab/Millard Counties and Western Millard and Juab Counties. * WHEN...From noon today to 7 AM MDT Friday. * IMPACTS...Hot temperatures may cause heat illness. Warm overnight temperatures will limit the amount of relief from the hot daytime temperatures, bringing a period of prolonged heat exposure, especially for vulnerable populations.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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: 
Western Millard and Juab Counties; Eastern Juab/Millard Counties
Forcast Office: 
NWS Salt Lake City UT
Sender: 
w-nws.webmaster@noaa.gov