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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

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fog

65°F

18°C

Humidity	95%
Wind Speed	Calm
Barometer	29.90 in
Dewpoint	64°F (18°C)
Visibility	0.25 mi
Last update	13 Aug 2:55 am CDT

More Information:

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

Extended Forecast for

2 Miles NW Sun River Terrace IL

Flood Watch August 13, 07:00pm until August 14, 10:00am

Dense Fog Advisory until August 13, 09:00am

Click here for hazard details and duration

Flood Watch

Dense Fog Advisory

Dense Fog Advisory until August 13, 09:00am
NOW until 9:00am Thu
Dense Fog Advisory
Overnight
Low: 67 °F
Patchy Fog
Thursday
High: 81 °F
Patchy Fog
then Showers
Likely
Thursday Night
Low: 66 °F
Heavy Rain
Friday
High: 81 °F
Showers
Likely then
Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms
Saturday
High: 86 °F
Chance
T-storms then
Chance
Showers
Saturday Night
Low: 70 °F
Chance
T-storms
Sunday
High: 85 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.

Thursday

A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 81. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East northeast wind around 5 mph, with gusts as high as 10 mph.

Saturday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70.

Sunday

A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

Sunday Night

A chance of showers before 1am. Mostly cloudy, with a low around 65.

Monday

Mostly sunny, with a high near 78.

Monday Night

Mostly clear, with a low around 59.