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 28%
Wind Speed WSW 11 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Aug 12:04 PM MDT
Extended Forecast for

16 Miles S Big Sky MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. West wind around 9 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 5 to 8 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 81. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm  in the evening.

    Low: 55 °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 75. South southeast wind 5 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight.  Mostly cloudy, with a low around 50. South wind 6 to 8 mph.

    Low: 50 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 76. West wind around 9 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 83. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. North wind around 6 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 75. South southeast wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 50. South wind 6 to 8 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
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 74.
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 73.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles S Big Sky MT
 45.04°N 111.28°W (Elev. 7116 ft)
10:36 am MDT Aug 19, 2026
12pm 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