7-Day Forecast 45.19°N 99.45°W (Text-Only)
NWS Forecast for: Onaka SD
Issued by: National Weather Service Aberdeen, SD
Last Update: 12:36 am CST Jan 18, 2026




Overnight: Patchy blowing snow after 3am. Mostly cloudy, with a low around 2. Blustery, with a southwest wind 17 to 26 mph becoming northwest. Winds could gust as high as 43 mph.

Sunday: A chance of snow, mainly before noon. Patchy blowing snow. Mostly cloudy, with a temperature falling to around 8 by 5pm. Windy, with a north northwest wind 28 to 37 mph, with gusts as high as 48 mph. Chance of precipitation is 30%.

Sunday Night: Patchy blowing snow before 11pm. Partly cloudy, with a low around -4. Wind chill values as low as -23. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 38 mph.

M.L.King Day: Patchy blowing snow between 1pm and 3pm. Partly sunny, with a high near 12. Wind chill values as low as -22. Blustery, with a west northwest wind 14 to 20 mph.

Monday Night: Partly cloudy, with a low around 1. West northwest wind 9 to 11 mph.

Tuesday: A chance of snow after noon. Mostly cloudy, with a high near 25. Southwest wind 9 to 15 mph becoming west northwest in the afternoon. Chance of precipitation is 30%.

Tuesday Night: Mostly cloudy, with a low around 12. West northwest wind 15 to 17 mph, with gusts as high as 25 mph.

Wednesday: Partly sunny, with a high near 21. Blustery, with a northwest wind 16 to 24 mph, with gusts as high as 33 mph.

Wednesday Night: Mostly cloudy, with a low around 3. Northwest wind 10 to 14 mph.

Thursday: Partly sunny, with a high near 22.

Thursday Night: Mostly cloudy, with a low around -1.

Friday: Partly sunny and cold, with a high near 7.

Friday Night: A chance of snow. Mostly cloudy, with a low around -13. Chance of precipitation is 30%.

Saturday: A chance of snow. Mostly cloudy and cold, with a high near -2. Chance of precipitation is 30%.



Onaka SD
 45.19°N 99.45°W (Elev. 1850 ft)

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