Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

44°F

7°C

Humidity 49%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Mar 12:15 AM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

  • Overnight

    Overnight: Partly cloudy, with a low around 40. South wind around 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. South wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Southwest wind 5 to 13 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. South southwest wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after noon.  Partly sunny, with a high near 60. South southwest wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain, mixing with snow after 9pm, then gradually ending.  Partly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind becoming west around 6 mph in the afternoon.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. South wind around 7 mph.
Thursday
Mostly sunny, with a high near 61. South wind 7 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 42. South southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 5 to 13 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 45. South southwest wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 60. South southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A chance of rain, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 50. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 50.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 57.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
10:32 pm MDT Mar 18, 2026
12am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database