Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

45°F

7°C

Humidity 36%
Wind Speed SE 5 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 May 09:53 AM MDT
Extended Forecast for

12 Miles WSW Buffalo WY

  • Today

    Today: Scattered snow showers, mainly before 3pm.  Increasing clouds, with a high near 42. Southeast wind 6 to 8 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Sunny then
    Scattered
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 26. South southeast wind 7 to 10 mph becoming west after midnight.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers between noon and 4pm. Some thunder is also possible.  Partly sunny, with a high near 50. West southwest wind around 6 mph becoming calm  in the morning.  Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Light west northwest wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Snow showers likely before noon, then snow showers, possibly mixed with rain. Some thunder is also possible.  High near 42. Calm wind becoming north 5 to 8 mph in the morning.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 42 °F

    Snow Showers
    Likely then
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight.  Mostly cloudy, with a low around 28. North wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow showers before noon, then a chance of rain and snow showers. Some thunder is also possible.  Mostly sunny, with a high near 50. Calm wind becoming north northwest around 5 mph.  Chance of precipitation is 40%.

    High: 50 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Scattered snow showers, mainly before 3pm. Increasing clouds, with a high near 42. Southeast wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 26. South southeast wind 7 to 10 mph becoming west after midnight.
Wednesday
A slight chance of rain and snow showers between noon and 4pm. Some thunder is also possible. Partly sunny, with a high near 50. West southwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 32. Light west northwest wind.
Thursday
Snow showers likely before noon, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 42. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday Night
A chance of snow showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 28. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
A slight chance of snow showers before noon, then a chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 50. Calm wind becoming north northwest around 5 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 43.
Memorial Day
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Buffalo WY
 44.29°N 106.96°W (Elev. 7966 ft)
9:32 am MDT May 19, 2026
10am MDT May 19, 2026-6pm MDT May 25, 2026
 
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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