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

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

68°F

20°C

Humidity 64%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Jul 5:15 am MDT
Extended Forecast for

19 Miles NNW Newell SD

  • Today

    Today: Patchy smoke after 8am. Sunny, with a high near 96. West wind 7 to 17 mph becoming east in the afternoon. Winds could gust as high as 26 mph.

    High: 96 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 66. Southeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 66 °F

    Patchy Smoke

  • Wednesday

    Wednesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 98. Breezy, with a southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Cloudy, then gradually becoming partly cloudy, with a low around 66. Breezy, with a southeast wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 93. South wind 7 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Northeast wind 6 to 15 mph becoming south after midnight. Winds could gust as high as 22 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Breezy.

    High: 97 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Patchy smoke after 8am. Sunny, with a high near 96. West wind 7 to 17 mph becoming east in the afternoon. Winds could gust as high as 26 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 66. Southeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 98. Breezy, with a southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 66. Breezy, with a southeast wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Thursday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 93. South wind 7 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 62. Northeast wind 6 to 15 mph becoming south after midnight. Winds could gust as high as 22 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 97. Breezy.
Saturday Night
Mostly clear, with a low around 67. Breezy.
Sunday
Sunny and hot, with a high near 104. Breezy.
Sunday Night
Mostly clear, with a low around 67. Breezy.
Monday
Sunny, with a high near 90. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NNW Newell SD
 44.96°N 103.59°W (Elev. 3245 ft)
12:32 am MDT Jul 28, 2026
5am 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