Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

81°F

27°C

Humidity	100%
Wind Speed	NE 7 mph
Barometer	29.93 in
Dewpoint	81°F (27°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	9 Aug 5:45 pm CDT

More Information:

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

Extended Forecast for

2 Miles ESE Lemont IL

Flood Watch August 9, 09:00pm until August 10, 07:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 71 °F
Heavy Rain
Monday
High: 84 °F
Partly Sunny
then Chance
T-storms
Monday Night
Low: 68 °F
T-storms
Likely
Tuesday
High: 83 °F
T-storms
Likely then
Showers
Likely
Tuesday Night
Low: 69 °F
Showers
Likely
Wednesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 67 °F
Slight Chance
Showers
Thursday
High: 78 °F
Partly Sunny
Thursday Night
Low: 63 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. South southwest wind around 5 mph becoming north in the morning.

Monday Night

Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 68. East northeast wind around 5 mph becoming southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

Showers and thunderstorms likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. West northwest wind around 5 mph becoming south in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming east in the evening. Chance of precipitation is 70%.

Wednesday

A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Wednesday Night

A 20 percent chance of showers before 1am. Partly cloudy, with a low around 67.

Thursday

Partly sunny, with a high near 78.

Thursday Night

A chance of showers after 1am. Mostly cloudy, with a low around 63.

Friday

Partly sunny, with a high near 75.

Friday Night

A chance of showers. Mostly cloudy, with a low around 62.