Weather in Crystal Lake, IA
Updated 2026-08-11 10:30 local time · ZIP codes 50432
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
77°12% rain84°9% rain86°8% rain
84°9% rain85°8% rain88°6% rain87°5% rain87°5% rain86°5% rain83°6% rain80°7% rain
77°11% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 13%).
It feels like 79°F with winds near 12 mph.
80°F, 7% rain chance and 9 mph wind.
Visibility is around 5 mi; gusts may reach 20 mph.
Current temperature is 77°F, wind 12 mph, rain chance up to 13%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Crystal Lake weather today
Sunny and 77°F in Crystal Lake, IA. Today's high is 88°F with a 70% rain chance. Winds are around 12 mph with gusts near 14 mph. Relative humidity is 85%, pressure is 29.85 inHg, and visibility is about 5 miles.
Tonight and tomorrow in Crystal Lake
Sunrise is at 06:16 AM and sunset is at 08:24 PM. Tomorrow's forecast calls for Sunny with a high near 85°F and a low near 64°F. The maximum rain chance is 57%.