Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

75°F

24°C

Humidity	47%
Wind Speed	S 12 mph
Barometer	29.80 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	17 Oct 4:45 pm CDT

More Information:

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

Extended Forecast for

4 Miles SSW Naperville IL

Tonight
Low: 62 °F
Partly Cloudy
then Chance
Showers
Saturday
High: 74 °F
Showers
Likely
Saturday Night
Low: 50 °F
Showers
Sunday
High: 58 °F
Chance
Showers and
Breezy
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 65 °F
Sunny
Monday Night
Low: 45 °F
Chance
Showers
Tuesday
High: 54 °F
Mostly Sunny
and Breezy
Tuesday Night
Low: 38 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Saturday

Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm. Low around 50. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

A 50 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 58. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

Sunday Night

Mostly clear, with a low around 40. West wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 65.

Monday Night

A 40 percent chance of showers before 1am. Partly cloudy, with a low around 45.

Tuesday

Mostly sunny, with a high near 54. Breezy.

Tuesday Night

Partly cloudy, with a low around 38.

Wednesday

Sunny, with a high near 57.