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

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6566.77ft.

NA

61°F

16°C

Humidity 62%
Wind Speed W 1 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 19 Aug 10:30 AM MDT
Extended Forecast for

15 Miles NNW West Yellowstone MT

  • Today

    Today: Sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West wind 5 to 9 mph becoming light northwest  in the evening. Winds could gust as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. West southwest wind around 6 mph becoming light and variable  after midnight.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 66. South southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50. South wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 47. West wind 5 to 9 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 71. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 53. West southwest wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming east southeast after midnight.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 66. South southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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 63.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW West Yellowstone MT
 44.87°N 111.22°W (Elev. 8999 ft)
10:36 am MDT Aug 19, 2026
10am MDT Aug 19, 2026-6pm MDT Aug 25, 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