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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

80°F

27°C

Humidity 11%
Wind Speed SW 12 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 17 Oct 3:56 pm MDT
Extended Forecast for

Reva SD

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 39. Northeast wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 61. Breezy, with a southeast wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Southeast wind 8 to 18 mph, with gusts as high as 33 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. South wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Sunday
Sunny, with a high near 65. Northwest wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 39. Northeast wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 61. Breezy, with a southeast wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Mostly clear, with a low around 42. Southeast wind 8 to 18 mph, with gusts as high as 33 mph.
Tuesday
Sunny, with a high near 70. South wind 5 to 8 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 73.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48. Breezy.
Saturday
A chance of rain. Partly sunny, with a high near 57. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reva SD
 45.54°N 103.09°W (Elev. 3028 ft)
Last Update:
3:26 pm MDT Oct 17, 2026
Forecast Valid:
4pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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