Hazardous Weather Conditions
Current conditions at
Chicago / Wheeling, Pal-Waukee Airport (KPWK)
Lat: 42.12°NLon: 87.9°WElev: 646ft.
Light Rain
62°F
17°C
| Humidity | 93% |
| Wind Speed | SW 8 G 17 mph |
| Barometer | 29.60 in (1001.9 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 9.00 mi |
| Last update | 18 Apr 1:52 am CDT |
Extended Forecast for
Crystal Lake IL
Flood Watch April 18, 02:10am until April 18, 05:00am
Flood Warning until April 18, 08:00am
NOW: Multiple hazards in effect

Click HERE for Details
Overnight

Low: 42 °F
Chance
Showers and
BreezySaturday

High: 49 °F
Decreasing
Clouds and
BreezySaturday Night

Low: 33 °F
Mostly Clear
then FrostSunday
High: 49 °F
Frost then
Chance
ShowersSunday Night

Low: 29 °F
Mostly Clear
then FrostMonday

High: 53 °F
Frost then
SunnyMonday Night

Low: 43 °F
Mostly Cloudy
Tuesday

High: 72 °F
Mostly Sunny
Detailed Forecast
Overnight
A 50 percent chance of showers before 4am. Cloudy, with a low around 42. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 49. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 49. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Widespread frost after midnight. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly cloudy, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Crystal Lake IL
42.23°N 88.33°W
42.23°N 88.33°W
2:01 am CDT Apr 18, 2026
2am CDT Apr 18, 2026-6pm CDT Apr 24, 2026



