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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Partly Cloudy

55°F

13°C

Humidity 37%
Wind Speed SSE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Mar 01:00 AM MDT
Extended Forecast for

4 Miles N Greybull/S Big Horn Airport WY

  • Overnight

    Overnight: Partly cloudy, with a low around 40. East southeast wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Southeast wind 8 to 11 mph becoming west in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. West wind 6 to 11 mph becoming light and variable.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. West wind 6 to 10 mph becoming southeast after midnight.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Southeast wind 6 to 10 mph becoming west southwest in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West southwest wind 9 to 11 mph becoming southeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Breezy.

    High: 77 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35. Windy.

    Low: 35 °F

    Slight Chance
    Showers and
    Windy

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 71. Southeast wind 8 to 11 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 42. West wind 6 to 11 mph becoming light and variable.
Thursday
Sunny, with a high near 73. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. West wind 6 to 10 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 75. Southeast wind 6 to 10 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 46. West southwest wind 9 to 11 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 77. Breezy.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35. Windy.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greybull/S Big Horn Airport WY
 44.58°N 108.08°W (Elev. 4800 ft)
Last Update:
12:48 am MDT Mar 18, 2026
Forecast Valid:
1am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation