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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 until April 24, 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

36°F

2°C

Humidity	63%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	23 Apr 12:00 PM MDT

More Information:

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

Extended Forecast for

6 Miles ESE Big Sky MT

Winter Storm Warning April 23, 12:34pm until April 24, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 23, 12:34pm until April 24, 12:00pm
NOW until 12:00pm Fri
Winter Storm Warning
This Afternoon
High: 35 °F
Snow Showers
Tonight
Low: 17 °F
Snow
Friday
High: 30 °F
Snow Likely
then Chance
Snow
Friday Night
Low: 12 °F
Partly Cloudy
Saturday
High: 37 °F
Mostly Sunny
then Slight
Chance Snow
Saturday Night
Low: 18 °F
Slight Chance
Snow
Sunday
High: 38 °F
Snow Likely
Sunday Night
Low: 21 °F
Chance Snow

Detailed Forecast

This Afternoon

Snow showers. Some thunder is also possible. High near 35. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow, mainly before 9pm. Low around 17. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely before 3pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 30. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Partly cloudy, with a low around 12. Northwest wind around 6 mph becoming calm in the evening.

Saturday

A 20 percent chance of snow after noon. Mostly sunny, with a high near 37. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 18. Light and variable wind.

Sunday

Snow likely, mainly after noon. Mostly cloudy, with a high near 38. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 21. North wind around 6 mph becoming calm in the evening.

Monday

Snow likely. Mostly cloudy, with a high near 41.

Monday Night

A chance of snow before midnight. Partly cloudy, with a low around 25.

Tuesday

A chance of snow. Partly sunny, with a high near 46.

Tuesday Night

A slight chance of snow. Mostly cloudy, with a low around 28.

Wednesday

A chance of snow. Mostly sunny, with a high near 49.