Kankakee County weather, town by town
20 places in Kankakee County, Illinois, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1948 to 2026. Station extremes, not official state records.
Kankakee County Weather Facts
Kankakee County has 20 places on myweatherrock (18 villages, 2 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 107°F at Kankakee Wwtp on August 17, 1988. The coldest night is -29°F at Kankakee Wwtp on January 20, 1985. The wettest day brought 9.56 inches of rain at Peotone on July 13, 1957. The biggest single-day snow measured 15.98 inches at Dwight Wwtp on January 2, 1999. Those are station measurements from NOAA's daily records, 1948 to 2026, not official state records. By area the largest place is Kankakee, about 15 square miles.
About Kankakee County weather
The map on the Now tab shows every Kankakee County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 20 Kankakee County towns with station normals, the warmest month is July, when the day usually reaches 85°F, and the coldest is January, when the night usually falls to 16°F. May is the wettest, with rain on about 11 days.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Kankakee County weather records
Measured at the NOAA stations serving these towns, daily records 1948 to 2026. Station extremes, not official state records.
Common questions about Kankakee County weather
- What is the hottest temperature recorded at a Kankakee County station?
- 107°F at Kankakee Wwtp on August 17, 1988, in the NOAA daily station records myweatherrock holds (1948 to 2026).
- What is the coldest temperature recorded at a Kankakee County station?
- -29°F at Kankakee Wwtp on January 20, 1985.
- What is the most rain a Kankakee County station has measured in one day?
- 9.56 inches at Peotone on July 13, 1957.
- What is the biggest one-day snowfall at a Kankakee County station?
- 15.98 inches at Dwight Wwtp on January 2, 1999.
- How many Kankakee County towns have a weather page here?
- 20: 18 villages, 2 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Kankakee County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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