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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Clear

82°F

28°C

Humidity 28%
Wind Speed SSE 11 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Aug 03:35 PM MDT
Extended Forecast for

16 Miles WNW Burgess Junction WY

Severe T-storm Watch until August 18, 09:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 18, 09:00pm

    NOW until 9:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 60 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Southwest wind 7 to 11 mph.

    Low: 44 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Northwest wind 5 to 11 mph becoming south southeast after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Southwest wind 9 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Northwest wind 8 to 10 mph becoming east southeast in the evening. Winds could gust as high as 21 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. South southwest wind 7 to 10 mph becoming north in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Partly sunny, with a high near 60. Breezy, with a west wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tonight
A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Southwest wind 7 to 11 mph.
Wednesday
Sunny, with a high near 63. Southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 49. Northwest wind 5 to 11 mph becoming south southeast after midnight.
Thursday
Sunny, with a high near 69. Southwest wind 9 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 53. Northwest wind 8 to 10 mph becoming east southeast in the evening. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 70. South southwest wind 7 to 10 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 69. Breezy. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66. Breezy.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WNW Burgess Junction WY
 44.83°N 107.84°W (Elev. 8816 ft)
Last Update:
3:32 pm MDT Aug 18, 2026
Forecast Valid:
3pm MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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