Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

South Big Horn County Airport (KGEY)

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

Mostly Cloudy

41°F

5°C

Humidity	56%
Wind Speed	N 0 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Last update	17 Mar 09:20 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles N Greybull/S Big Horn Airport WY

Today
High: 65 °F
Partly Sunny
Tonight
Low: 39 °F
Partly Cloudy
Wednesday
High: 70 °F
Mostly Sunny
Wednesday Night
Low: 41 °F
Partly Cloudy
Thursday
High: 73 °F
Mostly Sunny
Thursday Night
Low: 43 °F
Partly Cloudy
Friday
High: 76 °F
Mostly Sunny
Friday Night
Low: 46 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Saturday
High: 74 °F
Partly Sunny
then Mostly
Sunny and
Breezy

Detailed Forecast

Today

Partly sunny, with a high near 65. Southeast wind 5 to 8 mph becoming west in the afternoon.

Tonight

Partly cloudy, with a low around 39. Calm wind becoming east northeast 5 to 9 mph in the evening.

Wednesday

Mostly sunny, with a high near 70. Southeast wind 9 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 41. West wind 6 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.

Thursday

Mostly sunny, with a high near 73. Southeast wind 7 to 10 mph becoming west southwest in the afternoon.

Thursday Night

Partly cloudy, with a low around 43. West wind 7 to 11 mph becoming east in the evening.

Friday

Mostly sunny, with a high near 76. South southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Partly cloudy, with a low around 46. Breezy.

Saturday

Mostly sunny, with a high near 74. Breezy.

Saturday Night

Partly cloudy, with a low around 38. Windy.

Sunday

Mostly sunny, with a high near 57.

Sunday Night

Mostly cloudy, with a low around 37. Breezy.

Monday

Partly sunny, with a high near 62.

Additional Forecasts and Information

Zone Area Forecast for North Bighorn Basin, WY

Basemap Options

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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)

9:21 am MDT Mar 17, 2026

Forecast Valid:

9am MDT Mar 17, 2026-6pm MDT Mar 23, 2026

Forecast Discussion

Additional Resources

Radar & Satellite Image

Link to Local Radar Data

Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation