Current conditions at
Chicago / West Chicago, Dupage Airport (KDPA)
Lat: 41.9°NLon: 88.25°WElev: 758ft.
Overcast
22°F
-6°C
| Humidity | 89% |
| Wind Speed | S 14 mph |
| Barometer | 29.98 in (1016.5 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 7.00 mi |
| Wind Chill | 9°F (-13°C) |
| Last update | 3 Dec 12:52 am CST |
Extended Forecast for
Crystal Lake IL
Overnight

Low: 19 °F
Patchy
Blowing SnowWednesday

High: 31 °F
Chance Snow
Showers and
Patchy
Blowing SnowWednesday Night

Low: -2 °F
Decreasing
CloudsThursday

High: 13 °F
Sunny
Thursday Night

Low: -4 °F
Partly Cloudy
Friday

High: 22 °F
Partly Sunny
Friday Night
Low: 14 °F
Slight Chance
Snow then
Mostly CloudySaturday

High: 25 °F
Partly Sunny
Saturday Night

Low: 12 °F
Chance Snow
Detailed Forecast
Overnight
Patchy blowing snow. Cloudy, with a low around 19. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of snow before 10am, then a chance of snow showers between 10am and 3pm. Patchy blowing snow before 9am. Cloudy, with a high near 31. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
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. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 22.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12.
Sunday
A chance of snow. Mostly cloudy, with a high near 24.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 24.
Monday Night
A chance of snow. Cloudy, with a low around 16.
Tuesday
A chance of snow. Mostly cloudy, with a high near 29.
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
12:26 am CST Dec 3, 2025
12am CST Dec 3, 2025-6pm CST Dec 9, 2025


