Montana Severe Extreme Heat Watch | Effective 07/09/2026 11:42

Headline: 
Extreme Heat Watch issued July 9 at 12:42PM MDT until July 13 at 6:00AM MDT by NWS Glasgow MT
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
July 9, 2026 - 11:42am
Expires: 
July 10, 2026 - 5:00am
Description: 
* WHAT...Dangerously hot and humid conditions. High temperatures this weekend will range from 95 to 105. A few locations may approach 110 in the Yellowstone River Valley. * WHERE...All of northeast Montana. * WHEN...From Saturday morning through late Sunday night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Little recovery is expected at night with overnight lows in the mid 60s to low 70s which will exacerbate heat stress.
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: 
Central and Southeast Phillips; Central and Southern Valley; Daniels; Sheridan; Western Roosevelt; Petroleum; Garfield; McCone; Richland; Dawson; Prairie; Wibaux; Northern Phillips; Southwest Phillips; Northern Valley; Eastern Roosevelt
Forcast Office: 
NWS Glasgow MT