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.

Fair

59°F

15°C

Humidity 63%
Wind Speed NW 8 mph
Barometer 30.12 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Sep 9:55 am CDT
Extended Forecast for

Harrold SD

  • Today

    Today: Mostly sunny, with a high near 69. North northwest wind 9 to 11 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Mostly cloudy, with a low around 50. North wind 7 to 9 mph becoming east after midnight. Chance of precipitation is 40%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 9am and 10am. Partly sunny, with a high near 67. East northeast wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm after 1am. Low around 53. Breezy, with an east southeast wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Breezy.
    Partly Cloudy
    then Showers

  • Monday

    Monday: Showers before 1pm. High near 76. Breezy, with a southeast wind 23 to 28 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 76 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Northwest wind 6 to 10 mph becoming northeast in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 50. East wind 6 to 13 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm. Mostly cloudy, with a high near 72. East southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 69. North northwest wind 9 to 11 mph.
Tonight
A chance of showers, mainly after 3am. Mostly cloudy, with a low around 50. North wind 7 to 9 mph becoming east after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers between 9am and 10am. Partly sunny, with a high near 67. East northeast wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
Showers and possibly a thunderstorm after 1am. Low around 53. Breezy, with an east southeast wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers before 1pm. High near 76. Breezy, with a southeast wind 23 to 28 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 48. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 68. Northwest wind 6 to 10 mph becoming northeast in the afternoon.
Tuesday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 50. East wind 6 to 13 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers before 1pm. Mostly cloudy, with a high near 72. East southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrold SD
 44.54°N 99.75°W (Elev. 1768 ft)
Last Update:
9:36 am CDT Sep 12, 2026
Forecast Valid:
10am CDT Sep 12, 2026-6pm CDT Sep 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation