Headline:
Winter Storm Watch issued April 21 at 2:20PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT
Event:
Winter Storm Watch
Urgency:
Future
Effective:
April 21, 2026 - 1:20pm
Expires:
April 22, 2026 - 5:15am
Description:
* WHAT...Heavy, wet snow possible. Total snow accumulations between
5 and 11 inches, with higher amounts over the mountain peaks.
Winds could gust as high as 50 mph, highest for northern areas.
* 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...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility below a quarter mile at times. Tire chains may
be required for some vehicles if traveling through mountain
passes. Those with outdoor plans should be prepared for dangerous
outdoor conditions.
* ADDITIONAL DETAILS...The heavy, wet snow may cause instances of
power outages and or tree 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