County Forecast for Onida , SD
Change Zip Code: 
 
031900-
Sully-
Including the city of Onida
621 AM CDT Fri Jul 3 2026

Today   Partly sunny with a 20 percent chance of thunderstorms. Some thunderstorms may be severe. Highs in the upper 80s. Northeast winds 10 to 15 mph, becoming southeast this afternoon.
Tonight   Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Some thunderstorms may be severe. Humid with lows in the lower 60s. East winds 10 to 15 mph, becoming north 5 to 10 mph after midnight. Chance of rain 70 percent.
Independence day   Partly sunny. Humid with highs in the mid 80s. Northwest winds 5 to 10 mph, becoming north in the afternoon.
Saturday night   Mostly clear. Lows in the lower 60s. East winds 5 to 10 mph, becoming southeast after midnight.
Sunday   Mostly sunny. Hot with highs in the lower 90s. Southeast winds 10 to 15 mph.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Monday   Partly sunny. A slight chance of thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 20 percent.
Monday night   Partly cloudy with a chance of thunderstorms in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent.
Tuesday   Partly sunny. A slight chance of thunderstorms in the afternoon. Hot with highs around 90. Chance of rain 20 percent.
Tuesday night and wednesday   Mostly cloudy. A 50 percent chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s.
Wednesday night   Partly cloudy. A chance of thunderstorms in the evening. Lows in the mid 60s. Chance of rain 50 percent.
Thursday   Partly sunny. Highs in the upper 80s.
DTN Weather
Local Weather
Radar
County Forecast
State Forecast
DTN Weather Commentary
US Satellite
Current Surface Analysis
Wind Conditions
Today's Forecast Highs
Tonight's Forecast Lows
24 Hr Surface Forecast
Jet Stream Forecast
24 Hr Rainfall Estimate
24 Hr StormPath Accum
48 Hr StormPath Accum
6-10 Day Temp Forecast
6-10 Day Precip Forecast
Thunderstorm Outlook
US Drought Monitor
US Palmer Drought Index
US Crop Moisture Index
US Growing Degree Days
Soil Temperatures
Hurricane Tracking

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Hot, Humid, Stormy Holiday Weekend
Posted at 11:59AM Thu Jul 2, 2026 CDT
Click here to get your local weather emailed to you each day.
 
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN