Montana Department of Transportation

Main Content

Accidents and Incidents Report

Montana Weather Summary

AWUS85 KTFX 182146


Montana Weather Summary

National Weather Service Great Falls MT 

345 PM MDT Wed Jul 18 2018

Today...A westerly flow aloft brought drier and warmer conditions 

along with mostly sunny skies through midday across the Treasure 

state. By early afternoon, thunderstorm development was occurring 

across southwest and northeast portions of the state. 

Afternoon temperatures warmed to the 80s and 90s across most areas 

with brief cooling associated with the passage of any thunderstorms. 

At 3 pm...Temperatures ranged from 61 degrees at West Yellowstone, 

where a thunderstorm was occurring to 96 degrees at Havre. Breezy 

west winds were common across central portions of the state with a 

gust to 25 mph at Havre. 

Overnight...Widely scattered thunderstorms will affect the far 

northern and southern tiers of the state through early this evening 

before dissipating. Breezy west winds will also diminish and shift 

to northwest overnight with seasonal overnight low temperatures in 

the 50s to lower 60s for most areas.