Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

68°F

20°C

Humidity 52%
Wind Speed SSE 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 01 Aug 01:55 AM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. East southeast wind 5 to 7 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 57. Northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 90. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57. West northwest wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 87. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. East southeast wind 5 to 7 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 57. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. West northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 87. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 93.
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)
1:43 am MDT Aug 1, 2025
2am MDT Aug 1, 2025-6pm MDT Aug 7, 2025
 
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