Kankakee County, IL Weather Forecast
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Chance Showers And Thunderstorms
Compare major city weather across Kankakee County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after 3am. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Kankakee County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Kankakee County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:48 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Kankakee County
Friday looks like the warmest upcoming period in Kankakee County at 81 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:48 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 10am, then showers and thunderstorms likely between 10am and 4pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Cloudy, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms likely before 10pm, then showers and thunderstorms. Cloudy, with a low around 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms likely. Partly sunny, with a high near 73. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 53. North northwest wind 0 to 10 mph. Chance of precipitation is 60%.
Mostly sunny, with a high near 81.
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 53.
Showers and thunderstorms. Partly sunny, with a high near 67.
A chance of rain showers before 1am. Partly cloudy, with a low around 36.
Sunny, with a high near 53.
Mostly clear, with a low around 34.
Sunny, with a high near 62.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Chance Showers And Thunderstorms
|
66°F |
15 mph
SW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
75°F |
10 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
62°F |
10 to 15 mph
SSW
|
|
Thursday
Apr 16
|
Showers And Thunderstorms Likely
|
73°F |
10 to 15 mph
WSW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely then Partly Cloudy
|
53°F |
0 to 10 mph
NNW
|
|
Friday
Apr 17
|
Mostly Sunny
|
81°F |
5 to 15 mph
SSE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
53°F |
10 to 15 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
67°F |
15 to 20 mph
WSW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
36°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
53°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
34°F |
5 to 10 mph
WNW
|
|
Monday
Apr 20
|
Sunny
|
62°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
73°F |
10 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Kankakee County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Kankakee County.
Largest mapped city population in this region: 25,668.
