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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

71°F

22°C

Humidity 30%
Wind Speed SE 14 G 21 mph
Barometer 30.27 in (1024.4 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 4 Oct 12:56 pm MDT
Extended Forecast for

Buffalo SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southeast wind around 15 mph, with gusts as high as 28 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. East wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. South wind 6 to 11 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. West wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southeast wind around 15 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 45. East wind 7 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 88. South wind 6 to 11 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Mostly clear, with a low around 51. West wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 79. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 77. Breezy.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo SD
 45.61°N 103.55°W (Elev. 2972 ft)
Last Update:
1:21 pm MDT Oct 4, 2026
Forecast Valid:
1pm MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation