Montana Moderate Heat Advisory | Effective 07/09/2026 11:28

Headline: 
Heat Advisory issued July 9 at 12:28PM MDT until July 13 at 9:00PM MDT by NWS Great Falls MT
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 9, 2026 - 11:28am
Expires: 
July 10, 2026 - 5:00am
Description: 
* WHAT...Hot daytime temperatures of 95 to 105 degrees, with overnight temperatures of 60 to 70 degrees expected. * WHERE...Canyon Ferry Area, Fergus County below 4500ft, Northern Blaine County, Gallatin Valley, Madison River Valley, and Missouri Headwaters. * WHEN...From noon Saturday to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.
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: 
Northern Blaine County; Fergus County below 4500ft; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley
Forcast Office: 
NWS Great Falls MT