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Hazardous Weather Conditions
Current conditions at
Chicago / Wheeling, Pal-Waukee Airport (KPWK)
Lat: 42.12°NLon: 87.9°WElev: 646ft.
Fair
78°F
26°C
| Humidity | 76% |
| Wind Speed | SW 3 mph |
| Barometer | 29.97 in (1014.2 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 2 Sep 5:52 am CDT |
Extended Forecast for
Crystal Lake IL
Heat Advisory September 2, 12:00pm until September 2, 09:00pm
Today
High: 92 °F
Mostly Sunny
Tonight
Low: 73 °F
Slight Chance
T-stormsThursday
High: 87 °F
Chance
T-stormsThursday Night
Low: 71 °F
Mostly Cloudy
then Chance
T-stormsFriday
High: 85 °F
Chance
T-stormsFriday Night
Low: 69 °F
Slight Chance
T-storms then
Chance
T-stormsSaturday
High: 83 °F
Chance
T-stormsSaturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 82 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 96. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Calm wind becoming east southeast around 5 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 82.
Sunday Night
A chance of showers after 1am. Partly cloudy, with a low around 65.
Labor Day
A chance of showers. Partly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Crystal Lake IL
42.23°N 88.33°W
42.23°N 88.33°W
5:56 am CDT Sep 2, 2026
6am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
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