Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

70°F

21°C

Humidity 37%
Wind Speed S 10 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Aug 04:35 AM MDT
Extended Forecast for

11 Miles WSW Buffalo WY

  • Today

    Today: A slight chance of showers and thunderstorms between 4pm and 5pm.  Patchy smoke before 3pm, then patchy smoke after 4pm. Mostly sunny, with a high near 80. West wind 5 to 13 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 10%.

    High: 80 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy smoke before 9pm, then patchy smoke after 10pm. Increasing clouds, with a low around 56. North wind 5 to 13 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Patchy Smoke

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 57. Southeast wind 7 to 9 mph becoming west after midnight.

    Low: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77. Northwest wind 5 to 7 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 54. West wind around 7 mph.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 72. Northwest wind 5 to 8 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 4pm and 5pm. Patchy smoke before 3pm, then patchy smoke after 4pm. Mostly sunny, with a high near 80. West wind 5 to 13 mph becoming north northeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Tonight
Patchy smoke before 9pm, then patchy smoke after 10pm. Increasing clouds, with a low around 56. North wind 5 to 13 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. Southeast wind 7 to 9 mph becoming west after midnight.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Northwest wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 54. West wind around 7 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Northwest wind 5 to 8 mph.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 68. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Buffalo WY
 44.29°N 106.93°W (Elev. 7592 ft)
4:17 am MDT Aug 21, 2026
4am MDT Aug 21, 2026-6pm MDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database