Severe Thunderstorms, Heavy Rain, And Flash Flooding Likely Over The Central U.S.

Strong to severe thunderstorms capable of damaging winds, large hail, and a few tornadoes will be likely this afternoon into tonight over portions of the Plains to the Midwest. Heavy rainfall will lead to flash flooding, some locally significant from Kansas to Missouri. Across the eastern U.S., much above normal temperatures can be expected. Read More >

Hazardous Weather Conditions

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Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

76°F

24°C

Humidity	77%
Wind Speed	SW 16 mph
Barometer	30.05 in (1016.7 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	21 Sep 11:55 am CDT

More Information:

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

Extended Forecast for

Fox Lake ILSimilar City Names

Flash Flood Watch September 21, 07:00pm until September 23, 01:00am

Click here for hazard details and duration

Flash Flood Watch

This
Afternoon

Showers
Likely and
Breezy
High: 78 °F
Tonight

Heavy Rain
Low: 68 °F
Sunday

Heavy Rain
High: 73 °F
Sunday
Night

Showers
Likely
Low: 55 °F
Monday

Sunny
High: 70 °F
Monday
Night

Mostly Clear
Low: 53 °F
Tuesday

Partly Sunny
High: 73 °F
Tuesday
Night

Partly Cloudy
then Slight
Chance
T-storms
Low: 58 °F
Wednesday

Chance
T-storms
High: 74 °F

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 68. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday Night

Showers likely and possibly a thunderstorm before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 55. South southwest wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Monday

Sunny, with a high near 70. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 53.

Tuesday

Partly sunny, with a high near 73.

Tuesday Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58.

Wednesday

A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 74.

Wednesday Night

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