Heavy rain in the Central U.S.; Unseasonable Warmth in the East

Imelda remnants swept up with a cold front will produce heavy rain that could cause flash flooding from portions of the South Plains to the Great Lakes. Lorena remnants combined with a cold front will bring thunderstorms with heavy rain, and some severe storms with hail and damaging winds to Arizona Monday. Strong winds in northern California will bring increasing fire weather threats on Monday. Read More >

Hazardous Weather Conditions

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Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Light Rain

74°F

23°C

Humidity	82%
Wind Speed	SW 8 G 21 mph
Barometer	29.86 in (1010.6 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	22 Sep 2:52 pm CDT

More Information:

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

Extended Forecast for

Lake Forest IL

Flash Flood Watch until September 22, 10:00pm

Click here for hazard details and duration

Flash Flood Watch

Flash Flood Watch until September 22, 10:00pm

NOW until
10:00pm Sun

Flash Flood Watch
This
Afternoon

Heavy Rain
and Breezy
High: 72 °F
Tonight

Heavy Rain
and Breezy
Low: 56 °F
Monday

Sunny
High: 72 °F
Monday
Night

Mostly Clear
Low: 56 °F
Tuesday

Mostly Sunny
High: 77 °F
Tuesday
Night

Chance
T-storms
Low: 63 °F
Wednesday

Chance
Showers
High: 73 °F
Wednesday
Night

Slight Chance
Showers
Low: 54 °F

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Steady temperature around 72. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Some of the storms could produce heavy rain. Low around 56. Breezy, with a southwest wind 10 to 15 mph becoming west northwest 15 to 20 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Sunny, with a high near 72. West wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 56. West wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 77. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.

Wednesday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.

Wednesday Night

A slight chance of showers before 1am. Partly cloudy, with a low around 54.