Weather in Isabel, SD
Updated 2026-09-26 09:45 local time · ZIP codes 57633
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
55°29% rain
60°16% rain
64°9% rain67°6% rain
68°3% rain69°3% rain69°2% rain68°3% rain66°3% rain
74°4% rain72°5% rain72°4% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 26%).
It feels like 50°F with winds near 11 mph.
69°F, 2% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 55°F, wind 11 mph, rain chance up to 26%.
UV index is 1.
Local weather characteristics in Isabel
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Isabel is part of the Midwest weather region. The forecast point is near 45.40°N latitude and 101.43°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Isabel weather today
Overcast and 55°F in Isabel, SD. Today's high is 74°F with a 13% rain chance. Winds are around 11 mph with gusts near 16 mph. Relative humidity is 89%, pressure is 29.82 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Isabel
Sunrise is at 06:37 AM and sunset is at 06:36 PM. Tomorrow's forecast calls for Thundery outbreaks in nearby with a high near 68°F and a low near 53°F. The maximum rain chance is 73%.