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

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Light Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed SE 18 G 23 mph
Barometer 29.80 in
Dewpoint 57°F (14°C)
Visibility 1.25 mi
Last update 14 Sep 7:35 am CDT
Extended Forecast for

Harrold SD

  • Today

    Today: Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm. High near 73. Breezy, with a southeast wind 21 to 28 mph becoming west northwest in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 49. Breezy, with a west wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 70. West northwest wind 6 to 13 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Increasing clouds, with a low around 50. Light east wind becoming east southeast 9 to 14 mph in the evening. Chance of precipitation is 20%.

    Low: 50 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm. Mostly cloudy, with a high near 70. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. East wind 8 to 13 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72. East southeast wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Southeast wind 13 to 15 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East southeast wind around 14 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 1pm. High near 73. Breezy, with a southeast wind 21 to 28 mph becoming west northwest in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 49. Breezy, with a west wind 11 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 70. West northwest wind 6 to 13 mph.
Tuesday Night
A slight chance of showers after 1am. Increasing clouds, with a low around 50. Light east wind becoming east southeast 9 to 14 mph in the evening. Chance of precipitation is 20%.
Wednesday
A chance of showers before 1pm. Mostly cloudy, with a high near 70. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 51. East wind 8 to 13 mph.
Thursday
Partly sunny, with a high near 72. East southeast wind 11 to 15 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Southeast wind 13 to 15 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East southeast wind around 14 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 69.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Sunday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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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:
7:21 am CDT Sep 14, 2026
Forecast Valid:
7am CDT Sep 14, 2026-6pm CDT Sep 20, 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