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August 11, 2026: Derecho produces widespread wind damage and tornadoes across northern Illinois and northwest Indiana
Interactive map of preliminary storm reports from this week's severe weather and flooding
NOAA All Hazards Radio Test Postponed

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

70°F

21°C

Humidity	100%
Wind Speed	Calm
Barometer	29.89 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	13 Aug 12:55 am CDT

More Information:

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

Extended Forecast for

Bolingbrook IL

Overnight
Low: 69 °F
Patchy Fog
Thursday
High: 77 °F
Slight Chance
Showers and
Patchy Fog
then Showers
Likely
Thursday Night
Low: 67 °F
Showers
Likely
Friday
High: 80 °F
Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely
Saturday
High: 83 °F
Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms
Sunday
High: 83 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 67 °F
Chance
Showers

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.

Thursday

A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. East northeast wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 67. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. East wind 5 to 10 mph. Chance of precipitation is 60%.

Saturday

A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 83.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83.

Sunday Night

A chance of showers before 1am. Mostly cloudy, with a low around 67.

Monday

Mostly sunny, with a high near 79.