Hazardous Weather Conditions
Current conditions at
Chicago / West Chicago, Dupage Airport (KDPA)
Lat: 41.9°NLon: 88.25°WElev: 758ft.
Light Snow Fog/Mist
27°F
-3°C
| Humidity | 85% |
| Wind Speed | SW 12 mph |
| Barometer | 29.98 in (1016.4 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 6.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 3 Dec 10:52 am CST |
Extended Forecast for
Crystal Lake IL
Today

High: 30 °F⇓
Chance Wintry
MixTonight

Low: -2 °F
Decreasing
CloudsThursday

High: 13 °F
Sunny
Thursday Night

Low: -4 °F
Partly Cloudy
Friday

High: 23 °F
Partly Sunny
Friday Night
Low: 14 °F
Chance Snow
then Mostly
CloudySaturday

High: 26 °F
Partly Sunny
Saturday Night

Low: 12 °F
Chance Snow
Sunday

High: 27 °F
Chance Snow
Detailed Forecast
Today
A chance of snow and freezing rain before 3pm, then a slight chance of snow between 3pm and 5pm. Cloudy, with a temperature falling to around 24 by 5pm. Northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 13. Wind chill values as low as -16. North northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around -4. Wind chill values as low as -14. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 23. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 26.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12.
Sunday
A chance of snow. Mostly cloudy, with a high near 27.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 24.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16.
Tuesday
A chance of snow. Mostly cloudy, with a high near 30.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Crystal Lake IL
42.23°N 88.36°W
42.23°N 88.36°W
10:50 am CST Dec 3, 2025
11am CST Dec 3, 2025-6pm CST Dec 9, 2025



