Montana Winter Storm Watch | Effective 04/20/2026 11:51

Headline: 
Winter Storm Watch issued April 20 at 12:51PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT
Event: 
Winter Storm Watch
Urgency: 
Future
Effective: 
April 20, 2026 - 11:51am
Expires: 
April 21, 2026 - 5:00am
Description: 
* WHAT...Heavy snow possible. Total snow accumulations of 4 to 8 inches, with isolated higher amounts possible. Winds could gust as high as 60 mph. * WHERE...Snowy and Judith Mountains, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * WHEN...From late Wednesday night through Thursday afternoon. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Plan on slippery road conditions. Strong winds could cause tree or power line damage.
Instruction: 
Remember, a Winter Storm Watch means that there is at least a 50% chance of impactful winter weather conditions during the watch period.
Area Description: 
Judith Basin County and Judith Gap; Fergus County below 4500ft; Snowy and Judith Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov