Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

77°F

25°C

Humidity	94%
Wind Speed	S 13 mph
Barometer	30.08 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	10 Aug 7:46 am CDT

More Information:

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

Extended Forecast for

2 Miles WNW Chicago/Romeoville, Lewis University Airport IL

Today
High: 87 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms
Monday
High: 87 °F
Chance
T-storms
Monday Night
Low: 70 °F
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
Mostly Cloudy
then Slight
Chance
Showers
Wednesday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 65 °F
Partly Cloudy
Thursday
High: 86 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 5 to 10 mph.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 96. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 5 mph, with gusts as high as 15 mph.

Tuesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph.

Tuesday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 68.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 65.

Thursday

Sunny, with a high near 86.