Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Hettinger, Hettinger Municipal Airport (KHEI)

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

Fair

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.95 in (1012.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 28 Jul 5:53 am MDT
Extended Forecast for

7 Miles W Bison SD

  • Today

    Today: Patchy smoke after 1pm. Sunny, with a high near 96. Southwest wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 96 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Tonight

    Tonight: Patchy smoke before 4am. Mostly clear, with a low around 66. East wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Increasing clouds, with a high near 99. South wind 5 to 15 mph, with gusts as high as 26 mph.

    High: 99 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. South wind 5 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 61. Northeast wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Patchy smoke after 1pm. Sunny, with a high near 96. Southwest wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Tonight
Patchy smoke before 4am. Mostly clear, with a low around 66. East wind 5 to 13 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 99. South wind 5 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 61. Northeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 66. Breezy.
Sunday
Sunny and hot, with a high near 102. Breezy.
Sunday Night
Mostly clear, with a low around 67. Breezy.
Monday
Sunny, with a high near 90. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Bison SD
 45.52°N 102.6°W (Elev. 2782 ft)
5:52 am MDT Jul 28, 2026
6am MDT Jul 28, 2026-6pm MDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database