Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

48°F

9°C

Humidity 28%
Wind Speed E 10 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 May 11:53 PM MDT
Extended Forecast for

4 Miles W Shell WY

  • Overnight

    Overnight: Mostly clear, with a low around 37. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 5am.  Increasing clouds, with a low around 41. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon.  High near 55. Light west northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 36. North northwest wind 6 to 11 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Calm wind becoming east 5 to 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 37. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 69. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 41. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers, with thunderstorms also possible after noon. High near 55. Light west northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 36. North northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 67. Light and variable wind.
Friday Night
Partly cloudy, with a low around 41. Calm wind becoming east 5 to 7 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 51.
Memorial Day
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 53. Breezy.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Shell WY
 44.53°N 107.86°W (Elev. 4140 ft)
11:47 pm MDT May 19, 2026
12am MDT May 20, 2026-6pm MDT May 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