Montana Severe Extreme Heat Warning | Effective 07/23/2026 11:51

Headline: 
Extreme Heat Warning issued July 23 at 12:51PM MDT until July 25 at 9:00PM MDT by NWS Great Falls MT
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 23, 2026 - 11:51am
Expires: 
July 24, 2026 - 5:00am
Description: 
* WHAT...For the first Heat Advisory through Saturday morning, temperatures up to 101 F. For the Extreme Heat Warning Saturday afternoon and evening, dangerously hot conditions with temperatures up to 108 F. For the second Heat Advisory Saturday night into Sunday, temperatures up to 101 F. * WHERE...Bears Paw Mountains and Southern Blaine, Cascade County below 5000ft, Fergus County below 4500ft, Hill County, Judith Basin County and Judith Gap, Northern Blaine County, and Western and Central Chouteau County. * WHEN...For the first Heat Advisory, from noon Friday to noon MDT Saturday. For the Extreme Heat Warning, from noon to 9 PM MDT Saturday. For the second Heat Advisory, from 9 PM Saturday to 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft
Forcast Office: 
NWS Great Falls MT