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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

34°F

1°C

Humidity	NA
Wind Speed	NNW 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: 50 °F
Chance
Rain/Snow
then
Rain/Snow
Likely
Tonight
Low: 32 °F
Rain/Snow
then Snow
Likely
Thursday
High: 41 °F
Snow
Thursday Night
Low: 23 °F
Heavy Snow
Friday
High: 38 °F
Snow then
Chance Snow
Friday Night
Low: 21 °F
Partly Cloudy
Saturday
High: 48 °F
Sunny
Saturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 54 °F
Sunny

Detailed Forecast

Today

Rain and snow showers likely, becoming all rain after 5pm. Some thunder is also possible. Partly sunny, with a high near 50. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tonight

Rain and snow, becoming all snow after 11pm. Low around 32. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

Snow before noon, then snow showers between noon and 3pm, then snow after 3pm. Some thunder is also possible. High near 41. South wind 5 to 7 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 23. West northwest wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday

Snow, mainly before noon. High near 38. West northwest wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Partly cloudy, with a low around 21. Calm wind.

Saturday

Sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

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

Sunday

Sunny, with a high near 54.

Sunday Night

Partly cloudy, with a low around 29.

Monday

Mostly sunny, with a high near 56.