National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

46°F

8°C

Humidity 61%
Wind Speed ENE 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Oct 10:35 AM MDT
Extended Forecast for

3 Miles ENE Greybull WY

  • Today

    Today: Sunny, with a high near 67. Calm wind becoming south southeast 5 to 9 mph in the afternoon.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Light and variable wind becoming northeast around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming south southeast around 5 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 37. Light and variable wind becoming north northeast around 5 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 66. South southeast wind 3 to 7 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Light southeast wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Calm wind becoming south southeast 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 37. Light and variable wind becoming northeast around 6 mph.
Sunday
Sunny, with a high near 63. Calm wind becoming south southeast around 5 mph.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 37. Light and variable wind becoming north northeast around 5 mph.
Monday
Sunny, with a high near 66. South southeast wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 40. Light southeast wind.
Tuesday
Sunny, with a high near 66. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47. Breezy.
Friday
A chance of showers. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Greybull WY
 44.5°N 108.01°W (Elev. 3999 ft)
Last Update:
9:31 am MDT Oct 17, 2026
Forecast Valid:
10am MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation