Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

52°F

11°C

Humidity 82%
Wind Speed S 7 mph
Barometer 30.05 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 5 Aug 2:55 am CDT
Extended Forecast for

Harrold SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 55. South southwest wind around 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy smoke after 1pm. Mostly sunny, with a high near 81. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 81 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before 1am, then patchy smoke after 4am. Partly cloudy, with a low around 60. South wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 60 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 7am. Partly sunny, then gradually becoming sunny and hot, with a high near 90. South wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 90 °F

    Patchy Smoke
    then Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly clear, with a low around 61. South wind 11 to 15 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83. North wind 9 to 15 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 60. Southeast wind 6 to 11 mph.  Chance of precipitation is 20%.

    Low: 60 °F

    Clear then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 88. South southeast wind 9 to 14 mph becoming northeast in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. East wind around 10 mph.

    Low: 62 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 55. South southwest wind around 8 mph.
Wednesday
Patchy smoke after 1pm. Mostly sunny, with a high near 81. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Patchy smoke before 1am, then patchy smoke after 4am. Partly cloudy, with a low around 60. South wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday
Patchy smoke before 7am. Partly sunny, then gradually becoming sunny and hot, with a high near 90. South wind 14 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 61. South wind 11 to 15 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 83. North wind 9 to 15 mph.
Friday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 60. Southeast wind 6 to 11 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 88. South southeast wind 9 to 14 mph becoming northeast in the afternoon.
Saturday Night
Clear, with a low around 62. East wind around 10 mph.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrold SD
 44.52°N 99.75°W (Elev. 1804 ft)
2:36 am CDT Aug 5, 2026
3am CDT Aug 5, 2026-6pm CDT Aug 11, 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