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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

Breezy

74°F

23°C

Humidity 31%
Wind Speed W 23 G 37 mph
Barometer 29.89 in (1010.4 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 8 Aug 5:56 pm MDT
Extended Forecast for

Buffalo SD

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 45 mph.

    High: 78 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 15 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. North wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 78. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 45 mph.
Saturday Night
Mostly clear, with a low around 54. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Sunday
Sunny, with a high near 81. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 57. Northwest wind 5 to 15 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 84. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 58. North wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 88. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo SD
 45.58°N 103.55°W (Elev. 2897 ft)
Last Update:
4:30 pm MDT Aug 8, 2025
Forecast Valid:
6pm MDT Aug 8, 2025-6pm MDT Aug 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation