Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

79°F

26°C

Humidity 36%
Wind Speed WNW 12 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Aug 06:00 PM MDT
Extended Forecast for

7 Miles NNE Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 57. West wind 9 to 14 mph becoming light and variable. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 57 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny, with a high near 83. East southeast wind 5 to 8 mph becoming northwest in the afternoon.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 57. Breezy, with a north wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 57 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 9pm.  Mostly cloudy, with a low around 59. North wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 82. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56. North northeast wind 3 to 8 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 57. West wind 9 to 14 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 83. East southeast wind 5 to 8 mph becoming northwest in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 57. Breezy, with a north wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Mostly cloudy, with a low around 59. North wind 3 to 6 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 82. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. North northeast wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Greybull/S Big Horn Airport WY
 44.62°N 108.06°W (Elev. 4068 ft)
6:02 pm MDT Aug 15, 2026
6pm MDT Aug 15, 2026-6pm MDT Aug 22, 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