Current Weather
5:17 PM
82°F
Mostly cloudy
RealFeel® 81°
Pleasant
RealFeel Shade™ 79°
Pleasant
RealFeel®
81°
RealFeel Shade™
79°
Heat Index
82°
Max UV Index
1.4 (Low)
Wind
SW 8 mph
Wind Gusts
16 mph
Humidity
51%
Indoor Humidity
51% (Slightly Humid)
Dew Point
62° F
Pressure
↑ 29.88 in
Cloud Cover
81%
Visibility
13 mi
Cloud Ceiling
28700 ft
Day
5/18
82°Hi
RealFeel®
84°
Very Warm
RealFeel Shade™
79°
Pleasant
Windy and not as warm; considerable cloudiness this morning, then times of clouds and sun this afternoon
Max UV Index9.0 (Very High)
AccuLumen Brightness Index™4 (Dull)
WindSSW 14 mph
Wind Gusts30 mph
Probability of Precipitation85%
Probability of Thunderstorms54%
Precipitation0.27 in
Rain0.27 in
Hours of Precipitation3
Hours of Rain3
Cloud Cover74%
Night
5/18
68°Lo
RealFeel®
61°
Cool
Cloudy, windy and humid; a strong late-night thunderstorm; thunderstorms can bring hail and damaging winds
WindSSW 15 mph
Wind Gusts24 mph
Probability of Precipitation55%
Probability of Thunderstorms52%
Precipitation0.15 in
Rain0.15 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover95%
Sun & Moon
14 hrs 41 mins
Rise
5:29 AM
Set
8:10 PM
Waxing Crescent
Rise
6:33 AM
Set
11:06 PM
Temperature History
5/18High
Low
Forecast
82°
68°
Average
71°
49°
Last Year
70°
44°
Record
89°
1998
30°
2002
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly cloudy with a temperature of 82°. The current RealFeel® Temperature is 81° (Pleasant) based on observed conditions including 51% humidity, 81% cloud cover, a UV index of 1, and winds of 8 mph. In shade, the RealFeel Shade™ is 79°. 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.
