Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

24°F

-4°C

Humidity 52%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Last update 24 Nov 09:15 PM MST
Extended Forecast for

17 Miles SE Big Sky MT

  • Tonight

    Tonight: Partly cloudy, with a low around 10. West wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 24 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 18. South southwest wind 8 to 10 mph.  New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers, mainly before 11am.  Mostly cloudy, with a high near 30. Southwest wind 7 to 9 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 23. South southwest wind around 8 mph.

    Low: 23 °F

    Chance Snow
    Showers

  • Thanksgiving Day

    Thanksgiving Day: A 40 percent chance of snow showers, mainly before 11am.  Mostly cloudy, with a high near 33. South southwest wind around 9 mph.

    High: 33 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly after 11pm.  Mostly cloudy, with a low around 24. South southwest wind around 8 mph.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly before 11am.  Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. West wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Increasing clouds, with a high near 24. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
A 40 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 18. South southwest wind 8 to 10 mph. New snow accumulation of less than one inch possible.
Wednesday
A 50 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 30. Southwest wind 7 to 9 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. South southwest wind around 8 mph.
Thanksgiving Day
A 40 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 33. South southwest wind around 9 mph.
Thursday Night
A 40 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 24. South southwest wind around 8 mph.
Friday
Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 14.
Saturday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 22.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 4.
Sunday
A chance of snow showers. Partly sunny, with a high near 15.
Sunday Night
A slight chance of snow showers. Mostly cloudy, with a low around 5.
Monday
A slight chance of snow showers. Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SE Big Sky MT
 45.08°N 111.1°W (Elev. 7615 ft)
9:17 pm MST Nov 24, 2025
9pm MST Nov 24, 2025-6pm MST Dec 1, 2025
 
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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