Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

68°F

20°C

Humidity	44%
Wind Speed	S 10 mph
Barometer	30.09 in (1018.7 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	14 Sep 6:52 pm CDT

More Information:

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

Extended Forecast for

Lake Forest IL

Tonight
Low: 66 °F
Mostly Cloudy
and Breezy
then Showers
Likely
Tuesday
High: 78 °F
Showers then
Chance
T-storms
Tuesday Night
Low: 64 °F
Chance
T-storms
Wednesday
High: 70 °F
Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 74 °F
Showers
Likely
Thursday Night
Low: 64 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 76 °F
Chance
Showers
Friday Night
Low: 67 °F
Chance
Showers

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and possibly a thunderstorm, mainly before 10am, then a chance of showers and thunderstorms after 10am. High near 78. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. West northwest wind 5 to 10 mph becoming north northeast after midnight. Chance of precipitation is 30%.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 70. East northeast wind around 10 mph.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. East northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

Thursday

Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

Thursday Night

A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.

Friday

A chance of showers before 1pm. Mostly cloudy, with a high near 76.

Friday Night

A chance of showers. Mostly cloudy, with a low around 67.

Saturday

A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 64.