Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

30°F

-1°C

Humidity 45%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 15 Mar 02:45 PM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 1am.  Increasing clouds, with a low around 17. West southwest wind around 5 mph becoming calm  in the evening.  Total nighttime snow accumulation of around an inch possible.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 2pm, then rain likely, possibly mixed with snow.  Mostly cloudy, with a high near 42. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 42 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain likely, possibly mixed with snow, becoming all rain after 9pm, then gradually ending.  Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Southwest wind around 7 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. West southwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 1am. Increasing clouds, with a low around 17. West southwest wind around 5 mph becoming calm in the evening. Total nighttime snow accumulation of around an inch possible.
Monday
A chance of snow before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Rain likely, possibly mixed with snow, becoming all rain after 9pm, then gradually ending. Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 52. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind around 7 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 58. West southwest wind 6 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 40. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 61. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A slight chance of rain. Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
2:27 pm MDT Mar 15, 2026
3pm MDT Mar 15, 2026-6pm MDT Mar 22, 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