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

25°F

-4°C

Humidity 100%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 12 Oct 01:00 AM MDT
Extended Forecast for

Big Sky MT

Winter Weather Advisory October 12, 01:46am until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory October 12, 01:46am until October 12, 06:00am

    NOW until 6:00am Mon

    Winter Weather Advisory

  • Overnight

    Low: 22 °F

    Chance Snow

  • Columbus Day

    Columbus Day: A slight chance of snow before noon, then a chance of rain and snow.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 43. Calm wind.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 43 °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 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Areas of fog before 11am.  Otherwise, sunny, with a high near 52. Calm wind.

    High: 52 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. Calm wind.

    High: 53 °F

    Sunny

Detailed Forecast

Overnight
A chance of snow before 3am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of 2 to 4 inches possible.
Columbus Day
A slight chance of snow before noon, then a chance of rain and snow. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 43. 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 24. Calm wind.
Tuesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 44. Calm wind.
Tuesday Night
Partly cloudy, with a low around 20. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, sunny, with a high near 52. Calm wind.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Sunny, with a high near 53. Calm wind.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sky MT
 45.28°N 111.32°W (Elev. 6752 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