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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Hazardous Weather Conditions

Winter Storm Warning in effect from April 2, 09:00 AM MDT until April 3, 12:00 PM MDT

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

33°F

1°C

Humidity	NA
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

12 Miles NE Big Sky MT

Winter Storm Warning April 2, 09:00am until April 3, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Today
High: 41 °F
Snow Showers
Likely then
Heavy Snow
Tonight
Low: 23 °F
Snow
Friday
High: 40 °F
Snow then
Chance Snow
Friday Night
Low: 22 °F
Partly Cloudy
Saturday
High: 49 °F
Sunny
Saturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 29 °F
Partly Cloudy
Monday
High: 57 °F
Mostly Sunny

Detailed Forecast

Today

A chance of snow before 9am, then snow showers, mainly after 9am. The snow could be heavy at times. Some thunder is also possible. High near 41. South wind around 10 mph becoming west northwest in the afternoon. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Snow. Low around 23. West northwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday

Snow, mainly before noon. High near 40. Northwest wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Partly cloudy, with a low around 22. West northwest wind around 6 mph becoming calm after midnight.

Saturday

Sunny, with a high near 49. Light and variable wind.

Saturday Night

Mostly clear, with a low around 27. Light south southwest wind.

Sunday

Sunny, with a high near 54. Calm wind.