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

7°F

-14°C

Humidity 83%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Wind Chill-2°F (-19°C)
Last update 18 Feb 11:15 PM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Tonight

    Tonight: A 40 percent chance of snow.  Cloudy, with a low around 1. Calm wind.  Total nighttime snow accumulation of around an inch possible.

    Low: 1 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly between 1pm and 5pm.  Partly sunny, with a high near 18. Light and variable wind.  New snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 10 percent chance of snow before 7pm.  Partly cloudy, with a low around 2. Wind chill values as low as -5. Calm wind becoming south southeast around 5 mph.

    Low: 2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 22. Wind chill values as low as -5. Light and variable wind becoming west northwest 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. Light south southwest wind.

    Low: 5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 31. Southwest wind 3 to 5 mph.

    High: 31 °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.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of snow. Cloudy, with a low around 1. Calm wind. Total nighttime snow accumulation of around an inch possible.
Thursday
A 30 percent chance of snow, mainly between 1pm and 5pm. Partly sunny, with a high near 18. Light and variable wind. New snow accumulation of less than a half inch possible.
Thursday Night
A 10 percent chance of snow before 7pm. Partly cloudy, with a low around 2. Wind chill values as low as -5. Calm wind becoming south southeast around 5 mph.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 22. Wind chill values as low as -5. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. Light south southwest wind.
Saturday
Sunny, with a high near 31. 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.
Monday
Mostly sunny, with a high near 44.
Monday Night
A chance of snow. 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)
11:32 pm MST Feb 18, 2026
11pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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