Weather in Crystal Lake, IA
Updated 2026-09-26 10:00 local time · ZIP codes 50432
Light rain
No government weather alerts were returned for this location at the latest update.
Next hours
50°82% rain
51°72% rain
52°45% rain53°77% rain54°37% rain
53°32% rain54°28% rain
56°14% rain
56°13% rain54°25% rain
55°27% rain
56°31% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 82% over the next 12 hours.
It feels like 44°F with winds near 14 mph.
56°F, 13% rain chance and 12 mph wind.
Visibility is around 5 mi; gusts may reach 31 mph.
Current temperature is 50°F, wind 14 mph, rain chance up to 82%.
UV index is 0.
Local weather characteristics in Crystal Lake
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Crystal Lake is part of the Midwest weather region. The forecast point is near 43.22°N latitude and 93.79°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.
Crystal Lake weather today
Light rain and 50°F in Crystal Lake, IA. Today's high is 57°F with a 92% rain chance. Winds are around 14 mph with gusts near 31 mph. Relative humidity is 96%, pressure is 30.11 inHg, and visibility is about 5 miles.
Tonight and tomorrow in Crystal Lake
Sunrise is at 07:07 AM and sunset is at 07:05 PM. Tomorrow's forecast calls for Overcast with a high near 63°F and a low near 57°F. The maximum rain chance is 69%.