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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

36°F

2°C

Humidity	100%
Wind Speed	SE 2 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	02 Apr 03:30 AM MDT

More Information:

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

Extended Forecast for

14 Miles ESE 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

Overnight
Low: 25 °F
Snow Likely
and Breezy
Thursday
High: 27 °F⇓
Breezy. Snow
Showers
Likely then
Heavy Snow
Thursday Night
Low: 16 °F
Snow and
Patchy
Blowing Snow
Friday
High: 27 °F
Snow Likely
Friday Night
Low: 17 °F
Partly Cloudy
Saturday
High: 36 °F
Sunny
Saturday Night
Low: 22 °F
Mostly Clear
Sunday
High: 41 °F
Sunny
Sunday Night
Low: 26 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow likely. Mostly cloudy, with a low around 25. Breezy, with a south southwest wind around 26 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

Thursday

A chance of snow before 9am, then snow showers, mainly after 9am. The snow could be heavy at times. Some thunder is also possible. Temperature falling to around 22 by 4pm. Breezy, with a south southwest wind 21 to 28 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Thursday Night

Snow. Patchy blowing snow. Low around 16. Wind chill values as low as zero. West northwest wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow likely, mainly before noon. Mostly cloudy, with a high near 27. Wind chill values as low as zero. West northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Partly cloudy, with a low around 17. West northwest wind 13 to 15 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

Saturday

Sunny, with a high near 36. South southwest wind around 14 mph, with gusts as high as 23 mph.

Saturday Night

Mostly clear, with a low around 22. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 41. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 26.

Monday

Mostly sunny, with a high near 44.