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 94%
Wind Speed Vrbl 2 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 5.00 mi
Last update 28 Jul 1:35 am CDT
Extended Forecast for

Harrold SD

  • Overnight

    Overnight: Patchy smoke. Partly cloudy, with a low around 69. East wind around 7 mph becoming north.

    Low: 69 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke. Sunny and hot, with a high near 92. West northwest wind 5 to 11 mph becoming south southeast in the morning.

    High: 92 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Patchy smoke. Mostly clear, with a low around 70. South southeast wind around 9 mph.

    Low: 70 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke. Sunny and hot, with a high near 96. South wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 96 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southeast wind 13 to 16 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. South southeast wind around 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. North northeast wind 8 to 13 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 88. Northeast wind 8 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. East wind 6 to 10 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke. Partly cloudy, with a low around 69. East wind around 7 mph becoming north.
Tuesday
Patchy smoke. Sunny and hot, with a high near 92. West northwest wind 5 to 11 mph becoming south southeast in the morning.
Tuesday Night
Patchy smoke. Mostly clear, with a low around 70. South southeast wind around 9 mph.
Wednesday
Patchy smoke. Sunny and hot, with a high near 96. South wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southeast wind 13 to 16 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. South southeast wind around 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. North northeast wind 8 to 13 mph. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 88. Northeast wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 63. East wind 6 to 10 mph.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny and hot, with a high near 92. Breezy.
Sunday Night
Mostly clear, with a low around 69. Breezy.
Monday
Mostly sunny and hot, with a high near 93. 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:
1:31 am CDT Jul 28, 2026
Forecast Valid:
1am CDT Jul 28, 2026-6pm CDT Aug 3, 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