National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

35°F

2°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 31 Mar 05:30 PM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

Winter Storm Watch April 2, 12:00pm until April 3, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow showers. Some thunder is also possible. High near 44. South southwest wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all snow after 2am. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow before 4pm, then rain, possibly mixed with snow showers. Some thunder is also possible. High near 46. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm. Low around 33. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow. High near 39. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 39 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 24. West northwest wind 3 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 24 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 36. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 44. South southwest wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain, possibly mixed with snow, becoming all snow after 2am. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 4pm, then rain, possibly mixed with snow showers. Some thunder is also possible. High near 46. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Low around 33. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 39. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 24. West northwest wind 3 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 36. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
Partly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
Last Update:
4:22 pm MDT Mar 31, 2026
Forecast Valid:
5pm MDT Mar 31, 2026-6pm MDT Apr 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation