Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

71°F

22°C

Humidity	90%
Wind Speed	NW 3 mph
Barometer	29.91 in (1012.4 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	10 Aug 4:52 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Crystal Lake IL

Overnight
Low: 70 °F
Slight Chance
T-storms
Monday
High: 83 °F
Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms
Tuesday
High: 81 °F
T-storms
Likely
Tuesday Night
Low: 67 °F
Chance
T-storms
Wednesday
High: 82 °F
Chance
Showers
Wednesday Night
Low: 66 °F
Slight Chance
Showers
Thursday
High: 78 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 62 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 5 mph.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening.

Tuesday

Showers and thunderstorms likely, mainly between 9am and 1pm. Mostly cloudy, with a high near 81. East southeast wind around 5 mph becoming west northwest in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Wednesday

A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Wednesday Night

A 20 percent chance of showers before 1am. Partly cloudy, with a low around 66.

Thursday

A chance of showers after 1pm. Mostly cloudy, with a high near 78.

Thursday Night

Mostly cloudy, with a low around 62.

Friday

Mostly cloudy, with a high near 75.

Friday Night

A chance of showers. Mostly cloudy, with a low around 61.

Saturday

A chance of showers. Mostly cloudy, with a high near 77.