Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

72°F

22°C

Humidity 37%
Wind Speed WSW 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Jul 01:30 AM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Overnight

    Overnight: Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers between 3pm and 4pm, then isolated showers and thunderstorms after 4pm.  Sunny and hot, with a high near 97. Breezy, with a light and variable wind becoming northwest 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Isolated
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before midnight.  Partly cloudy, with a low around 60. Breezy, with a north wind 13 to 18 mph becoming north 7 to 12 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    T-storms and
    Breezy then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 55. Breezy, with a west northwest wind 9 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 74. Breezy, with a northwest wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 50. Breezy, with a west northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.
Monday
Isolated showers between 3pm and 4pm, then isolated showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Breezy, with a light and variable wind becoming northwest 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 60. Breezy, with a north wind 13 to 18 mph becoming north 7 to 12 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 55. Breezy, with a west northwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Breezy, with a northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 50. Breezy, with a west northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
12:43 am MDT Jul 14, 2025
1am MDT Jul 14, 2025-6pm MDT Jul 20, 2025
 
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Additional Resources

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