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

Hettinger, Hettinger Municipal Airport (KHEI)

Lat: 46.01°NLon: 102.65°WElev: 2703ft.

Fair

84°F

29°C

Humidity 34%
Wind Speed SE 15 G 23 mph
Barometer 30.08 in (1017.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Aug 1:53 pm MDT
Extended Forecast for

Bison SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southeast wind around 14 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Southeast wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 91 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 62. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90. Northwest wind around 8 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60. Northeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

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

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southeast wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 61. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Southeast wind 9 to 11 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 62. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 18 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Northwest wind around 8 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. Northeast wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 56.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 86.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Bison SD
 45.52°N 102.48°W (Elev. 2799 ft)
2:18 pm MDT Aug 27, 2026
2pm 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

National Digital Forecast Database