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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Rain

54°F

12°C

Humidity 71%
Wind Speed NNW 32 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 17 Jun 08:05 AM MDT
Extended Forecast for

Buffalo WY

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 68. Windy, with a north northwest wind 22 to 29 mph, with gusts as high as 37 mph.

    High: 68 °F

    Windy. Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 48. Breezy, with a north northwest wind 19 to 24 mph becoming light and variable after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Light and variable wind becoming northeast 6 to 11 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. North northeast wind 6 to 11 mph becoming light and variable after midnight.

    Low: 48 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. Light and variable wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. East wind 5 to 10 mph becoming west after midnight.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 81 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Breezy. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 68. Windy, with a north northwest wind 22 to 29 mph, with gusts as high as 37 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 48. Breezy, with a north northwest wind 19 to 24 mph becoming light and variable after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 72. Light and variable wind becoming northeast 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 48. North northeast wind 6 to 11 mph becoming light and variable after midnight.
Juneteenth
Mostly sunny, with a high near 79. Light and variable wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 53. East wind 5 to 10 mph becoming west after midnight.
Saturday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 52. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 71.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WY
 44.35°N 106.69°W (Elev. 4619 ft)
Last Update:
6:01 am MDT Jun 17, 2026
Forecast Valid:
8am MDT Jun 17, 2026-6pm MDT Jun 23, 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