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

Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

43°F

6°C

Humidity 61%
Wind Speed W 14 mph
Barometer 29.86 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Jan 9:15 pm CST
Extended Forecast for

Harrold SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Breezy, with a west wind 14 to 22 mph, with gusts as high as 31 mph.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 49. Breezy, with a west wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a north northwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 25 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. North wind 13 to 18 mph becoming east 7 to 12 mph in the afternoon.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. East southeast wind 6 to 14 mph becoming south southwest after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Windy, with a south southwest wind 14 to 19 mph becoming northwest 26 to 31 mph in the morning. Winds could gust as high as 45 mph.

    High: 44 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A chance of snow after midnight. Mostly cloudy, with a low around 20. Windy, with a northwest wind 26 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Windy. Mostly
    Cloudy then
    Chance Snow

  • Friday

    Friday: A chance of snow before noon. Mostly cloudy, with a high near 27. Windy, with a north northwest wind 29 to 36 mph, with gusts as high as 49 mph. Chance of precipitation is 30%.

    High: 27 °F

    Windy. Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph.

    Low: 10 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Breezy, with a west wind 14 to 22 mph, with gusts as high as 31 mph.
Tuesday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 49. Breezy, with a west wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a north northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Wednesday
Partly sunny, with a high near 33. North wind 13 to 18 mph becoming east 7 to 12 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 24. East southeast wind 6 to 14 mph becoming south southwest after midnight.
Thursday
Mostly sunny, with a high near 44. Windy, with a south southwest wind 14 to 19 mph becoming northwest 26 to 31 mph in the morning. Winds could gust as high as 45 mph.
Thursday Night
A chance of snow after midnight. Mostly cloudy, with a low around 20. Windy, with a northwest wind 26 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
Friday
A chance of snow before noon. Mostly cloudy, with a high near 27. Windy, with a north northwest wind 29 to 36 mph, with gusts as high as 49 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 10. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph.
Saturday
Mostly sunny, with a high near 22. Blustery.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 32. Breezy.
Sunday Night
Mostly cloudy, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 33.
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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:
8:51 pm CST Jan 12, 2026
Forecast Valid:
9pm CST Jan 12, 2026-6pm CST Jan 19, 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