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

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 (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

61°F

16°C

Humidity 97%
Wind Speed E 8 mph
Barometer 29.95 in (1011.6 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 11 Aug 5:56 am MDT
Extended Forecast for

Buffalo SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. East wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 58. Northeast wind 5 to 9 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Light and variable wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Southeast wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Breezy, with a southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 54. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

    Low: 54 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 90%.

    High: 76 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. East wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 30 percent chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 58. Northeast wind 5 to 9 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Light and variable wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Southeast wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Breezy, with a southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 54. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 77.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 52.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo SD
 45.61°N 103.55°W (Elev. 2972 ft)
Last Update:
3:11 am MDT Aug 11, 2026
Forecast Valid:
6am MDT Aug 11, 2026-6pm MDT Aug 17, 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