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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Clear

64°F

18°C

Humidity 31%
Wind Speed ESE 6 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 May 08:05 PM MDT
Extended Forecast for

Buffalo WY

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Breezy, with a south southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 9pm. Cloudy, then gradual clearing toward daybreak, with a low around 56. Breezy, with a west southwest wind 8 to 18 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 10%.

    Low: 56 °F

    Breezy.
    Isolated
    T-storms then
    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 73. Breezy, with a west northwest wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 73 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 45. Breezy, with a west northwest wind 16 to 21 mph becoming light west after midnight. Winds could gust as high as 32 mph.

    Low: 45 °F

    Clear and
    Breezy then
    Clear

  • Friday

    Friday: Sunny, with a high near 71. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. North northwest wind 6 to 13 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Breezy.

    High: 72 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Calm wind becoming south 5 to 9 mph in the evening.
Wednesday
Sunny, with a high near 89. Breezy, with a south southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Isolated showers and thunderstorms before 9pm. Cloudy, then gradual clearing toward daybreak, with a low around 56. Breezy, with a west southwest wind 8 to 18 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 73. Breezy, with a west northwest wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Clear, with a low around 45. Breezy, with a west northwest wind 16 to 21 mph becoming light west after midnight. Winds could gust as high as 32 mph.
Friday
Sunny, with a high near 71. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 44. North northwest wind 6 to 13 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 72. Breezy.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. Breezy.
Sunday
Rain and snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 35. Breezy.
Monday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 54. Breezy.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 37.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WY
 44.34°N 106.72°W (Elev. 4797 ft)
Last Update:
8:03 pm MDT May 12, 2026
Forecast Valid:
8pm MDT May 12, 2026-6pm MDT May 19, 2026
 
Forecast Discussion
 
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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