Montana Winter Weather Advisory | Effective 04/23/2026 09:30

Headline: 
Winter Weather Advisory issued April 23 at 10:30AM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
April 23, 2026 - 9:30am
Expires: 
April 24, 2026 - 12:30am
Description: 
* WHAT...Snow. Additional snow accumulations between 2 and 6 inches at and near pass level, with greater amounts above pass level. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...Until noon MDT Friday. * IMPACTS...Expect winter driving conditions due to slush or snow covered roadways. Those in the backcountry should ensure they are prepared for dangerous conditions. * 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: 
Big Belt, Bridger and Castle Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov