⚠️ Active Weather Alerts
- Air Quality Alert: Air Quality Alert issued July 18 at 12:13AM CDT by NWS Chicago IL
- Air Quality Alert: Air Quality Alert issued July 17 at 4:12AM CDT by NWS Chicago IL
📍 Crystal Lake, IL
☀️
81°
Feels like 85° · Clear
💧
Humidity
74%
🌬
Wind
25 mph W
🌡
Dewpoint
72°
👁
Visibility
10 mi
Hourly Forecast
7-Day Forecast
🗓 Today
⛈
💧23%
88°
Sunday
🌤
82°
Monday
🌧
💧41%
85°
Tuesday
⛈
💧69%
83°
Wednesday
☀️
💧1%
78°
Thursday
☀️
💧4%
80°
Friday
⛅
💧13%
82°
Air Quality
EPA AirNow60
Moderate
Air Quality Index
Primary
PM2.5
PM2.5
60
Ozone
44
Fire Risk
USFS / NWS🔥
Low
Fire Weather Index: 8
🌬
Wind Speed
6 mph
💧
Humidity
75%
Sun & UV
🌅
10:32 AM
Sunrise
9
Very High
UV Index
🌇
1:26 AM
Sunset
Moon Phase
🌒
Waxing Crescent
13% Illumination
Moonrise @ 8:54 PM