Current Weather
7:51 AM
62°F
Mostly cloudy
RealFeel® 67°
Pleasant
RealFeel Shade™ 64°
Pleasant
RealFeel®
67°
RealFeel Shade™
64°
Max UV Index
1.4 (Low)
Wind
NNE 1 mph
Wind Gusts
3 mph
Humidity
90%
Indoor Humidity
73% (Slightly Humid)
Dew Point
59° F
Pressure
↓ 29.94 in
Cloud Cover
89%
Visibility
11 mi
Cloud Ceiling
30700 ft
Day
6/21
71°Hi
RealFeel®
72°
Pleasant
RealFeel Shade™
68°
Pleasant
Periods of rain, some heavy, and a thunderstorm beginning in the late morning; watch for flash flooding
Max UV Index3.0 (Moderate)
AccuLumen Brightness Index™2 (Dark)
WindESE 8 mph
Wind Gusts22 mph
Probability of Precipitation97%
Probability of Thunderstorms29%
Precipitation0.57 in
Rain0.57 in
Hours of Precipitation4.5
Hours of Rain4.5
Cloud Cover94%
Night
6/21
56°Lo
RealFeel®
50°
Chilly
Mostly cloudy; periods of rain, some heavy this evening followed by a little rain late; lingering flooding still possible
WindNE 10 mph
Wind Gusts21 mph
Probability of Precipitation97%
Probability of Thunderstorms5%
Precipitation0.39 in
Rain0.39 in
Hours of Precipitation5
Hours of Rain5
Cloud Cover94%
Sun & Moon
15 hrs 16 mins
Rise
5:17 AM
Set
8:33 PM
First Quarter
Rise
12:50 PM
Set
12:48 AM
Temperature History
6/21High
Low
Forecast
71°
56°
Average
82°
60°
Last Year
94°
74°
Record
98°
2022
46°
2003
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly cloudy with a temperature of 62°. The current RealFeel® Temperature is 67° (Pleasant) based on observed conditions including 90% humidity, 89% cloud cover, a UV index of 1, and winds of 1 mph. In shade, the RealFeel Shade™ is 64°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Crystal Lake, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.