National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Isaias Continues Moving Inland

Hurricane Isaias has made landfall near Destin, Florida and will continue to move inland overnight. Hurricane conditions are expected through early Saturday within the Hurricane Warning area. A life-threatening storm surge is expected from Dauphin Island, Alabama to Suwannee, Florida where a Storm Surge Warning remains in effect. Heavy rainfall to spread inland into the Southeast on Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

YELLOW MULE (YLWM8)

Lat: 45.1661°NLon: 111.35954°WElev: 9200.0ft.

NA

53°F

12°C

Humidity 27%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 09 Oct 09:04 PM MDT
Extended Forecast for

21 Miles S Big Sky MT

Winter Weather Advisory October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. South southwest wind 14 to 18 mph, with gusts as high as 36 mph.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a steady temperature around 40. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.

    High: 40 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Rain and snow, becoming all snow after 5am. Some thunder is also possible. Low around 28. South wind 9 to 15 mph becoming east northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Showers then
    Rain/Snow

  • Sunday

    Sunday: Snow. High near 31. North northeast wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 26. Northeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

    Low: 26 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. North northeast wind 7 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 26. South southeast wind around 5 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow, mainly after noon. Partly sunny, with a high near 39. Southeast wind around 6 mph becoming west in the afternoon.

    High: 39 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. South southwest wind 14 to 18 mph, with gusts as high as 36 mph.
Saturday
Rain likely before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a steady temperature around 40. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Saturday Night
Rain and snow, becoming all snow after 5am. Some thunder is also possible. Low around 28. South wind 9 to 15 mph becoming east northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
Snow. High near 31. North northeast wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Snow. Low around 26. Northeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.
Columbus Day
Snow likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. North northeast wind 7 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26. South southeast wind around 5 mph.
Tuesday
A chance of snow, mainly after noon. Partly sunny, with a high near 39. Southeast wind around 6 mph becoming west in the afternoon.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Big Sky MT
 44.95°N 111.29°W (Elev. 8734 ft)
Last Update:
5:12 pm MDT Oct 9, 2026
Forecast Valid:
9pm MDT Oct 9, 2026-6pm MDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation