Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

GW0564 Wapiti (G0564)

Lat: 44.45733°NLon: 109.4325°WElev: 5994.0ft.

NA

76°F

24°C

Humidity 27%
Wind Speed WSW 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 40°F (4°C)
Visibility NA
Heat Index77°F (25°C)
Last update 19 Aug 08:40 PM MDT
Extended Forecast for

21 Miles SSE Cooke City MT

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 7 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Breezy, with a west wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. West wind 7 to 11 mph becoming south in the evening.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. West southwest wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. Northwest wind 6 to 10 mph becoming southeast in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 63. West southwest wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 63 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 49. West southwest wind around 10 mph.

    Low: 49 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 60. Breezy.

    High: 60 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Southwest wind 7 to 10 mph.
Thursday
Sunny, with a high near 70. Breezy, with a west wind 9 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 51. West wind 7 to 11 mph becoming south in the evening.
Friday
Mostly sunny, with a high near 69. West southwest wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 53. Northwest wind 6 to 10 mph becoming southeast in the evening.
Saturday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. West southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49. West southwest wind around 10 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Breezy.
Sunday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. Breezy.
Monday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 60. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 61. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 61. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SSE Cooke City MT
 44.73°N 109.83°W (Elev. 9646 ft)
6:01 pm MDT Aug 19, 2026
8pm MDT Aug 19, 2026-6pm MDT Aug 26, 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