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.

64°F

18°C

Humidity 68%
Wind Speed NE 8 mph
Barometer 30.22 in (1022.0 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 15 Aug 10:56 pm MDT
Extended Forecast for

18 Miles S Reva SD

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind 3 to 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 81. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Southeast wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Northwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 56. North wind 6 to 15 mph becoming east in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. Northeast wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Northeast wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 81. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Southeast wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Northwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 56. North wind 6 to 15 mph becoming east in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. Northeast wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 88. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles S Reva SD
 45.28°N 103.07°W (Elev. 2999 ft)
Last Update:
10:51 pm MDT Aug 15, 2026
Forecast Valid:
11pm MDT Aug 15, 2026-6pm MDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation