Kankakee County, IL Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Kankakee County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 86. South wind 10 to 20 mph, with gusts as high as 30 mph.
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
- May 17 to May 23, 2026
- Latest sync
- May 17, 2026 9:38 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Kankakee County
Today looks like the warmest upcoming period in Kankakee County at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Today at about 10 to 20 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 17, 2026 9:38 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
Mostly clear, with a low around 68. South wind 10 to 20 mph, with gusts as high as 30 mph.
A slight chance of rain showers between 8am and 9am, then showers and thunderstorms likely. Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. South southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 47.
Partly sunny, with a high near 72.
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 52.
A slight chance of rain showers. Mostly cloudy, with a high near 77.
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 17
|
Partly Sunny
|
86°F |
10 to 20 mph
S
|
|
Tonight
May 17
|
Mostly Clear
|
68°F |
10 to 20 mph
S
|
|
Monday
May 18
|
Showers And Thunderstorms Likely
|
84°F |
15 to 20 mph
SSW
|
|
Monday Night
May 18
|
Showers And Thunderstorms Likely
|
67°F |
15 mph
SSW
|
|
Tuesday
May 19
|
Showers And Thunderstorms Likely
|
83°F |
15 to 20 mph
SW
|
|
Tuesday Night
May 19
|
Showers And Thunderstorms Likely
|
51°F |
10 to 15 mph
WNW
|
|
Wednesday
May 20
|
Mostly Sunny
|
65°F |
5 to 10 mph
N
|
|
Wednesday Night
May 20
|
Partly Cloudy
|
44°F |
5 to 10 mph
NE
|
|
Thursday
May 21
|
Mostly Sunny
|
67°F |
5 to 10 mph
ENE
|
|
Thursday Night
May 21
|
Partly Cloudy
|
47°F |
5 to 10 mph
ENE
|
|
Friday
May 22
|
Partly Sunny
|
72°F |
5 mph
E
|
|
Friday Night
May 22
|
Slight Chance Rain Showers
|
52°F |
5 mph
E
|
|
Saturday
May 23
|
Slight Chance Rain Showers
|
77°F |
5 mph
E
|
|
Saturday Night
May 23
|
Slight Chance Rain Showers then Mostly Cloudy
|
56°F |
5 mph
E
|
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.