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

Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

Current conditions at

YELLOW MULE (YLWM8)

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

NA

71°F

22°C

Humidity 29%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 02 Sep 10:04 AM MDT
Extended Forecast for

20 Miles S Big Sky MT

  • Today

    Today: Sunny, with a high near 67. Light north northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Areas of smoke between 8am and 11am. Sunny, with a high near 67. Light west northwest wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 67 °F

    Areas Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. West northwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North northeast wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Northeast wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Northwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after noon. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 67. Light north northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 50. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Areas of smoke between 8am and 11am. Sunny, with a high near 67. Light west northwest wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 49. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 64. West northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 42. North northeast wind 8 to 13 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 62. Northeast wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 45. Northwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Saturday
A chance of showers after noon. Mostly sunny, with a high near 62.
Saturday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 46.
Sunday
Showers likely. Partly sunny, with a high near 55.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles S Big Sky MT
 44.98°N 111.27°W (Elev. 8947 ft)
Last Update:
8:23 am MDT Sep 2, 2025
Forecast Valid:
10am MDT Sep 2, 2025-6pm MDT Sep 8, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation