Weather in Saint Charles, SD
Updated 2026-08-11 12:30 local time · ZIP codes 57571
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
86°5% rain
85°4% rain87°3% rain89°2% rain90°2% rain90°2% rain89°2% rain87°2% rain83°4% rain
80°6% rain78°7% rain77°8% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
There is a moderate rain chance, peaking near 46%.
It feels like 95°F with winds near 10 mph.
87°F, 2% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 30 mph.
Current temperature is 86°F, wind 10 mph, rain chance up to 46%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Saint Charles weather today
Partly cloudy and 86°F in Saint Charles, SD. Today's high is 90°F with a 9% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 62%, pressure is 29.90 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Saint Charles
Sunrise is at 06:37 AM and sunset is at 08:45 PM. Tomorrow's forecast calls for Sunny with a high near 94°F and a low near 66°F. The maximum rain chance is 57%.