Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

71°F

22°C

Humidity 47%
Wind Speed SE 6 mph
Barometer 30.13 in (1018.4 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 27 Aug 8:56 am MDT
Extended Forecast for

Buffalo SD

  • Today

    Today: Sunny, with a high near 91. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 62. Southeast wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before noon.  Mostly sunny, with a high near 95. East wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 63. North wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 91. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58. Northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86. Breezy.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers before midnight.  Partly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Chance
    Showers and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. Southeast wind 9 to 17 mph, with gusts as high as 26 mph.
Friday
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 95. East wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. North wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. Northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Breezy.
Sunday Night
A chance of showers before midnight. Partly cloudy, with a low around 53. Breezy.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo SD
 45.58°N 103.55°W (Elev. 2897 ft)
8:36 am MDT Aug 27, 2026
9am MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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