Will County weather, town by town
43 places in Will 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 1893 to 2026. Station extremes, not official state records.
Will County Weather Facts
Will County has 43 places on myweatherrock (21 census-designated places, 18 villages, 4 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 109°F at Morris 1Nw on July 14, 1936. The coldest night is -29°F at Kankakee Wwtp on January 20, 1985. The wettest day brought 13.6 inches of rain at Joliet Brandon Road Lock/Dam on July 18, 1996. The biggest single-day snow measured 19.02 inches at Park Forest Water on February 2, 2011. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Joliet, about 66 square miles.
About Will County weather
The map on the Now tab shows every Will 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 35 Will County towns with station normals, the warmest month is July, when the day usually reaches 84°F, and the coldest is January, when the night usually falls to 16°F. May is the wettest, with rain on about 13 days. January nights run from about 14°F in Godley to 17°F in Bolingbrook.
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.
Will County weather records
Measured at the NOAA stations serving these towns, daily records 1893 to 2026. Station extremes, not official state records.
Common questions about Will County weather
- What is the hottest temperature recorded at a Will County station?
- 109°F at Morris 1Nw on July 14, 1936, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Will County station?
- -29°F at Kankakee Wwtp on January 20, 1985.
- What is the most rain a Will County station has measured in one day?
- 13.6 inches at Joliet Brandon Road Lock/Dam on July 18, 1996.
- What is the biggest one-day snowfall at a Will County station?
- 19.02 inches at Park Forest Water on February 2, 2011.
- How many Will County towns have a weather page here?
- 43: 21 census-designated places, 18 villages, 4 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 Will 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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