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

54°F

12°C

Humidity 22%
Wind Speed E 6 mph
Barometer 30.19 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 19 Apr 5:35 pm CDT
Extended Forecast for

Harrold SD

  • Tonight

    Tonight: Mostly clear, with a low around 33. East wind 6 to 11 mph becoming south southeast 13 to 18 mph after midnight. Winds could gust as high as 26 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Breezy, with a south wind 16 to 26 mph.

    High: 76 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. West northwest wind 6 to 10 mph becoming east northeast in the evening.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. East northeast wind 10 to 14 mph becoming southeast in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 89. Breezy, with a south wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    High: 89 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Breezy, with a south southeast wind 22 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers. Mostly sunny, with a high near 67. Windy, with a south southwest wind 21 to 26 mph becoming west 33 to 38 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 33. Windy, with a west northwest wind 29 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 33. East wind 6 to 11 mph becoming south southeast 13 to 18 mph after midnight. Winds could gust as high as 26 mph.
Monday
Mostly sunny, with a high near 76. Breezy, with a south wind 16 to 26 mph.
Monday Night
Partly cloudy, with a low around 41. West northwest wind 6 to 10 mph becoming east northeast in the evening.
Tuesday
Sunny, with a high near 80. East northeast wind 10 to 14 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 89. Breezy, with a south wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Breezy, with a south southeast wind 22 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Thursday
A chance of showers. Mostly sunny, with a high near 67. Windy, with a south southwest wind 21 to 26 mph becoming west 33 to 38 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 33. Windy, with a west northwest wind 29 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 54. Windy.
Friday Night
Partly cloudy, with a low around 28. Blustery.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53. Breezy. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 30. Chance of precipitation is 10%.
Sunday
A slight chance of rain and snow showers. Partly sunny, with a high near 54. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrold SD
 44.52°N 99.75°W (Elev. 1804 ft)
Last Update:
5:36 pm CDT Apr 19, 2026
Forecast Valid:
5pm CDT Apr 19, 2026-6pm CDT Apr 26, 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