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

43°F

6°C

Humidity 36%
Wind Speed E 16 G 22 mph
Barometer 30.16 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Apr 8:55 pm CDT
Extended Forecast for

Harrold SD

  • Tonight

    Tonight: Mostly clear, with a low around 33. South southeast wind 14 to 18 mph, with gusts 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. South southeast wind 14 to 18 mph, with gusts 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:
8:36 pm CDT Apr 19, 2026
Forecast Valid:
9pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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