Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

43°F

6°C

Humidity 85%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 04 Oct 02:45 PM MDT
Extended Forecast for

13 Miles ESE Big Sky MT

Winter Weather Advisory October 4, 06:00pm until October 5, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Snow.  Steady temperature around 31. North wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Tonight

    Tonight: Snow.  Steady temperature around 29. North wind 9 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before 4pm.  High near 28. North northeast wind around 10 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 20. North northeast wind 5 to 9 mph becoming west southwest after midnight.

    Low: 20 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 36. South southwest wind 3 to 6 mph.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Northwest wind 5 to 9 mph becoming south southwest after midnight.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. South wind 6 to 9 mph.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 30. South wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

This Afternoon
Snow. Steady temperature around 31. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Steady temperature around 29. North wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow, mainly before 4pm. High near 28. North northeast wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20. North northeast wind 5 to 9 mph becoming west southwest after midnight.
Monday
Sunny, with a high near 36. South southwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 23. Northwest wind 5 to 9 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 44. South wind 6 to 9 mph.
Tuesday Night
Clear, with a low around 30. South wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Sunny, with a high near 45.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 48.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Partly sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
2:15 pm MDT Oct 4, 2025
3pm MDT Oct 4, 2025-6pm MDT Oct 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database