Hazardous Weather Conditions
Current conditions at
Chicago / West Chicago, Dupage Airport (KDPA)
Lat: 41.9°NLon: 88.25°WElev: 758ft.
Partly Cloudy with Haze
79°F
26°C
| Humidity | 74% |
| Wind Speed | N 6 mph |
| Barometer | 30.09 in (1018.3 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 1.75 mi |
| Heat Index | 82°F (28°C) |
| Last update | 16 Jul 8:52 am CDT |
Extended Forecast for
Crystal Lake IL
Today
High: 90 °F
Smoke then
Slight Chance
T-stormsTonight
Low: 70 °F
Slight Chance
T-storms then
Areas SmokeFriday
High: 90 °F
Areas Smoke
then Chance
T-stormsFriday Night
Low: 72 °F
Chance
T-storms then
Mostly ClearSaturday
High: 89 °F
Sunny then
Chance
T-stormsSaturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 86 °F
Chance
Showers
Detailed Forecast
Today
A 10 percent chance of showers and thunderstorms after 5pm. Widespread smoke. Partly sunny, with a high near 90. East wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Widespread smoke, mainly before midnight. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Areas of smoke before 11am. Mostly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. West southwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. West southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 64.
Monday
A chance of showers. Mostly sunny, with a high near 86.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Crystal Lake IL
42.23°N 88.36°W
42.23°N 88.36°W
9:26 am CDT Jul 16, 2026
9am CDT Jul 16, 2026-6pm CDT Jul 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
