Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

5°F

-15°C

Humidity 90%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Last update 19 Feb 07:30 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Today

    Today: A 40 percent chance of snow, mainly between 1pm and 5pm.  Mostly cloudy, with a high near 19. Light and variable wind.  Total daytime snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow

  • Tonight

    Tonight: A 10 percent chance of snow before 7pm.  Partly cloudy, with a low around 2. Wind chill values as low as -5. South wind 3 to 5 mph.

    Low: 2 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 22. Wind chill values as low as -5. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 22 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 5. South southwest wind 3 to 5 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 30. Southwest wind 3 to 5 mph.

    High: 30 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12. Light south wind.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Light south wind.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. Calm wind becoming south around 6 mph after midnight.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of snow, mainly between 1pm and 5pm. Mostly cloudy, with a high near 19. Light and variable wind. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 10 percent chance of snow before 7pm. Partly cloudy, with a low around 2. Wind chill values as low as -5. South wind 3 to 5 mph.
Friday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 22. Wind chill values as low as -5. Light and variable wind becoming west around 6 mph in the afternoon.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. South southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 30. Southwest wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 12. Light south wind.
Sunday
Mostly sunny, with a high near 37. Light south wind.
Sunday Night
Mostly clear, with a low around 21. Calm wind becoming south around 6 mph after midnight.
Monday
Mostly sunny, with a high near 44.
Monday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 27.
Tuesday
Snow likely. Mostly cloudy, with a high near 40.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.39°N 111.19°W (Elev. 6998 ft)
7:33 am MST Feb 19, 2026
7am MST Feb 19, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

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