Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

21°F

-6°C

Humidity 85%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 14 Mar 07:45 PM MDT
Extended Forecast for

12 Miles NE Big Sky MT

High Wind Warning March 14, 08:12pm until March 14, 09:00pm
Click here for hazard details and duration
...
  •  
    High Wind Warning March 14, 08:12pm until March 14, 09:00pm

    NOW until 9:00pm Sat

    High Wind Warning

  • Tonight

    Low: 4 °F

    Heavy Snow
    then Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 26. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 26 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Snow likely after midnight.  Increasing clouds, with a low around 16. Calm wind becoming south southwest around 5 mph after midnight.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 16 °F

    Partly Cloudy
    then Snow
    Likely

  • Monday

    Monday: Snow before 3pm, then rain and snow likely.  High near 45. South southwest wind 6 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 45 °F

    Snow then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain before midnight, then a chance of rain and snow.  Cloudy, with a low around 37. Southwest wind around 7 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. West southwest wind 8 to 10 mph, with gusts as high as 26 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind around 7 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. South southwest wind 8 to 10 mph, with gusts as high as 26 mph.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow, mainly before 10pm. The snow could be heavy at times. Low around 4. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Sunday
A 20 percent chance of snow before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 26. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Snow likely after midnight. Increasing clouds, with a low around 16. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday
Snow before 3pm, then rain and snow likely. High near 45. South southwest wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
A chance of rain before midnight, then a chance of rain and snow. Cloudy, with a low around 37. Southwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 55. West southwest wind 8 to 10 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind around 7 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 61. South southwest wind 8 to 10 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.39°N 111.19°W (Elev. 6998 ft)
5:47 pm MDT Mar 14, 2026
8pm MDT Mar 14, 2026-6pm MDT Mar 21, 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