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.

Fog/Mist

68°F

20°C

Humidity 88%
Wind Speed NW 1 mph
Barometer 29.87 in
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 27 Jul 5:35 am CDT
Extended Forecast for

Harrold SD

  • Today

    Today: Patchy smoke. Mostly sunny and hot, with a high near 97. Northeast wind 6 to 13 mph becoming east southeast in the afternoon.

    High: 97 °F

    Patchy Smoke

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 4am. Patchy smoke. Mostly cloudy, with a low around 70. East southeast wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Patchy smoke. Mostly cloudy, then gradually becoming sunny and hot, with a high near 94. East wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 94 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southeast wind 10 to 13 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. South southeast wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South southeast wind 11 to 17 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny and hot, with a high near 90. Southeast wind around 11 mph. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. East wind 7 to 13 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 88. North northeast wind 7 to 9 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy smoke. Mostly sunny and hot, with a high near 97. Northeast wind 6 to 13 mph becoming east southeast in the afternoon.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 4am. Patchy smoke. Mostly cloudy, with a low around 70. East southeast wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 40%.
Tuesday
Patchy smoke. Mostly cloudy, then gradually becoming sunny and hot, with a high near 94. East wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 70. South southeast wind 10 to 13 mph.
Wednesday
Sunny and hot, with a high near 95. South southeast wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South southeast wind 11 to 17 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny and hot, with a high near 90. Southeast wind around 11 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. East wind 7 to 13 mph becoming north after midnight. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 88. North northeast wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny and hot, with a high near 94. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrold SD
 44.54°N 99.75°W (Elev. 1768 ft)
Last Update:
5:51 am CDT Jul 27, 2026
Forecast Valid:
5am CDT Jul 27, 2026-6pm CDT Aug 2, 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