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

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

61°F

16°C

Humidity 84%
Wind Speed N 3 mph
Barometer 30.05 in (1015.6 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 18 Aug 12:56 am MDT
Extended Forecast for

Buffalo SD

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 61. Northwest wind 3 to 5 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. West wind 5 to 13 mph, with gusts as high as 26 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Light northwest wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 61. Northwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 88. West wind 5 to 13 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 93. Light northwest wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 59.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Breezy.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo SD
 45.58°N 103.55°W (Elev. 2897 ft)
Last Update:
1:21 am MDT Aug 18, 2026
Forecast Valid:
1am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation