Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Yellowstone Club - Base Area (YCBAS)

Lat: 45.23924°NLon: 111.41476°WElev: 7200.0ft.

NA

26°F

-3°C

Humidity 100%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 11 Oct 11:00 PM MDT
Extended Forecast for

Big Sky MT

Winter Weather Advisory October 12, 01:07am until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory October 12, 01:07am until October 12, 06:00am

    NOW until 6:00am Mon

    Winter Weather Advisory

  • Overnight

    Low: 21 °F

    Chance Snow

  • Columbus Day

    Columbus Day: A chance of snow before 1pm, then a chance of rain and snow.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 39. Calm wind.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 39 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 40. Light north wind.

    High: 40 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. West wind around 5 mph becoming calm  after midnight.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Sunny

Detailed Forecast

Overnight
A chance of snow before 3am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of 2 to 4 inches possible.
Columbus Day
A chance of snow before 1pm, then a chance of rain and snow. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 39. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Tuesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 40. Light north wind.
Tuesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 19. Calm wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 47. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 24. West wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 51. Calm wind.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sky MT
 45.25°N 111.35°W (Elev. 7198 ft)
12:31 am MDT Oct 12, 2026
1am MDT Oct 12, 2026-6pm MDT Oct 18, 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