Headline:
Winter Storm Watch issued April 20 at 11:33PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT
Event:
Winter Storm Watch
Urgency:
Future
Effective:
April 20, 2026 - 10:33pm
Expires:
April 21, 2026 - 5:15pm
Description:
* WHAT...Heavy snow possible. Total snow accumulations between 4 and
10 inches, with isolated higher amounts possible. Winds could gust
as high as 50 mph.
* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and
Highwood Mountains, and Gallatin and Madison County Mountains and
Centennial Mountains.
* WHEN...From Wednesday evening through Thursday afternoon.
* IMPACTS...Tire chains may be required for some vehicles if
traveling through mountain passes. 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.
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:
Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office:
NWS Great Falls MT
Sender:
w-nws.webmaster@noaa.gov