Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

YELLOW MULE (YLWM8)

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

NA

61°F

16°C

Humidity 27%
Wind Speed WSW 12 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 19 Aug 11:04 AM MDT
Extended Forecast for

12 Miles SSE Big Sky MT

  • Today

    Today: Sunny, with a high near 79. West wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 79. South southeast wind 3 to 8 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 49. South southwest wind 5 to 7 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 79. West wind 5 to 8 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 48. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 52. Light and variable wind.
Friday
Mostly sunny, with a high near 86. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. South southeast wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49. South southwest wind 5 to 7 mph.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Big Sky MT
 45.11°N 111.23°W (Elev. 6601 ft)
10:36 am MDT Aug 19, 2026
11am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database