National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Partly Cloudy

64°F

18°C

Humidity 68%
Wind Speed S 7 mph
Barometer 29.99 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Jun 9:15 pm CDT
Extended Forecast for

Harrold SD

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 55. Calm wind becoming southeast 5 to 9 mph after midnight. Chance of precipitation is 30%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 81. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    High: 81 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Breezy, with a south southeast wind 22 to 24 mph, with gusts as high as 33 mph.

    Low: 63 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 84. Windy, with a south southeast wind 26 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Windy, with a southeast wind 21 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms and
    Windy

  • Sunday

    Sunday: A chance of thunderstorms before 7am. Mostly sunny and hot, with a high near 93. Southeast wind 11 to 18 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. East southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Clear then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. Breezy, with a south southwest wind 16 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph.

    High: 89 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 61. West wind 9 to 14 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 55. Calm wind becoming southeast 5 to 9 mph after midnight. Chance of precipitation is 30%.
Friday
A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 81. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 63. Breezy, with a south southeast wind 22 to 24 mph, with gusts as high as 33 mph.
Saturday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 84. Windy, with a south southeast wind 26 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Windy, with a southeast wind 21 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Sunday
A chance of thunderstorms before 7am. Mostly sunny and hot, with a high near 93. Southeast wind 11 to 18 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. East southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 89. Breezy, with a south southwest wind 16 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 61. West wind 9 to 14 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 90.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Thursday
Mostly sunny and hot, with a high near 94. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrold SD
 44.52°N 99.72°W (Elev. 1788 ft)
Last Update:
8:51 pm CDT Jun 25, 2026
Forecast Valid:
9pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation