Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

72°F

22°C

Humidity 40%
Wind Speed NNW 11 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 11 Aug 09:20 AM MDT
Extended Forecast for

Buffalo WYSimilar City Names

Red Flag Warning August 11, 12:00pm until August 11, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Widespread smoke, mainly after noon. Sunny, with a high near 88. Breezy, with a north wind 11 to 20 mph, with gusts as high as 26 mph.

    High: 88 °F

    Smoke and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers after 5am.  Widespread smoke, mainly before 9pm. Increasing clouds, with a low around 66. North wind 6 to 10 mph becoming south southwest after midnight.

    Low: 66 °F

    Smoke then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 6 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Cloudy then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 60. North wind 5 to 13 mph becoming south in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 75. Southwest wind 5 to 11 mph becoming east southeast in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Low around 58. South southeast wind 5 to 10 mph becoming west northwest after midnight.  Chance of precipitation is 90%.

    Low: 58 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 73. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.  Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
Widespread smoke, mainly after noon. Sunny, with a high near 88. Breezy, with a north wind 11 to 20 mph, with gusts as high as 26 mph.
Tonight
A 20 percent chance of showers after 5am. Widespread smoke, mainly before 9pm. Increasing clouds, with a low around 66. North wind 6 to 10 mph becoming south southwest after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 6 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 60. North wind 5 to 13 mph becoming south in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 75. Southwest wind 5 to 11 mph becoming east southeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. South southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 90%.
Friday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 73. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 73. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WYSimilar City Names
 44.34°N 106.72°W (Elev. 4797 ft)
8:48 am MDT Aug 11, 2026
9am MDT Aug 11, 2026-6pm MDT Aug 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database