Severe Weather and Flash Flooding From Plains and to Mid-Atlantic

Severe thunderstorms are forecast today, tomorrow, and Thursday from parts of the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic. Heavy rain associated with thunderstorms may result in flash flooding from the northern and central Plains through the Midwest and into West Virginia and also in southern Mississippi and southeast Louisiana today. Read More >

Hazardous Weather Conditions

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Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

95°F

35°C

Humidity	55%
Wind Speed	W 14 G 18 mph
Barometer	29.86 in
Dewpoint	76°F (24°C)
Visibility	NA
Heat Index	109°F (43°C)
Last update	5 Jul 2:55 pm CDT

More Information:

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

Extended Forecast for

Romeoville IL

Flood Watch until July 6, 03:00am

Heat Advisory until July 5, 08:00pm

Click here for hazard details and duration

Flood Watch

Heat Advisory

Flood Watch until July 6, 03:00am
Heat Advisory until July 5, 08:00pm

NOW: Multiple
hazards in effect

Click HERE for Details
This
Afternoon

Chance
T-storms
High: 91 °F
Tonight

Heavy Rain
Low: 70 °F
Wednesday

Chance
T-storms
High: 82 °F
Wednesday
Night

T-storms
Likely
Low: 70 °F
Thursday

T-storms
Likely
High: 84 °F
Thursday
Night

Chance
T-storms
Low: 67 °F
Friday

Chance
T-storms then
Chance
Showers
High: 80 °F
Friday
Night

Partly Cloudy
Low: 63 °F

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 106. West wind around 10 mph.

Tonight

Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 70. West wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East northeast wind 5 to 10 mph.

Wednesday Night

Showers and thunderstorms likely, mainly after 8pm. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.

Thursday

Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 84. East northeast wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.

Friday Night

Partly cloudy, with a low around 63.

Saturday

Mostly sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 61.

Sunday

Sunny, with a high near 83.