Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

63°F

17°C

Humidity 44%
Wind Speed WNW 9 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 23 Jun 11:53 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Overnight

    Overnight: Partly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 2am and 4am.  Increasing clouds, with a low around 53. Breezy, with a north northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Slight Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 81. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 54. North wind 5 to 9 mph becoming calm  in the evening.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. Northwest wind around 8 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 2am and 4am. Increasing clouds, with a low around 53. Breezy, with a north northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 81. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 54. North wind 5 to 9 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 90. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northwest wind around 8 mph. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 74. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
11:47 pm MDT Jun 23, 2026
12am MDT Jun 24, 2026-6pm MDT Jun 30, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database