Montana Winter Weather Advisory | Effective 04/22/2026 12:58

Headline: 
Winter Weather Advisory issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
April 22, 2026 - 12:58pm
Expires: 
April 23, 2026 - 4:00am
Description: 
* WHAT...wet snow expected. Total snow accumulations between 1 and 4 inches. Winds gusting as high as 35 mph. * WHERE...The Madison and Beaverhead River Valleys, Canyon Ferry Area, and Missouri Headwaters. * WHEN...From 6 PM Thursday to noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. * ADDITIONAL DETAILS...The wet snow may cause isolated instances of power outages and or tree damage.
Instruction: 
Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.
Area Description: 
Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Beaverhead and Western Madison below 6000ft
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov