Montana, Wyoming Severe Extreme Heat Warning | Effective 08/01/2026 00:25

Headline: 
Extreme Heat Warning issued August 1 at 1:25AM MDT until August 2 at 12:00AM MDT by NWS Billings MT
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
August 1, 2026 - 12:25am
Expires: 
August 1, 2026 - 11:00pm
Description: 
* WHAT...Dangerously hot conditions with high temperatures of 100 to 108 expected. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...From noon today to midnight MDT tonight. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures are expected to be in the 70s for some locations east of Billings tonight bringing limited overnight relief. Sunday will be a little cooler but still hot with high temperatures in the mid 90s.
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. When outside, wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take frequent rest breaks in shaded or air conditioned environments. Be alert for symptoms of heat exhaustion and heat stroke. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
Musselshell; Treasure; Northern Rosebud; Custer; Fallon; Northern Stillwater; Powder River; Carter; Northern Park; Golden Valley; Red Lodge Foothills; Northern Big Horn; Southern Rosebud; Judith Gap; Paradise Valley; Livingston Area; Beartooth Foothills; Southern Big Horn; Southeastern Carbon; Northern Sweet Grass; Bighorn Canyon; Northern Carbon; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Sheridan Foothills
Forcast Office: 
NWS Billings MT
Sender: 
w-nws.webmaster@noaa.gov