Jackson County weather, town by town
12 places in Jackson 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.
Jackson County Weather Facts
Jackson County has 12 places on myweatherrock (7 villages, 4 cities, 1 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 113°F at Carbondale Sewage Plt on August 9, 1930. The coldest night is -25°F at Carbondale Sewage Plt on January 11, 1977. The wettest day brought 7.74 inches of rain at Anna 4 N on March 18, 2008. The biggest single-day snow measured 20 inches at Anna 4 N on February 25, 1979. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Carbondale, about 17 square miles.
About Jackson County weather
The map on the Now tab shows every Jackson 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 12 Jackson County towns with station normals, the warmest month is July, when the day usually reaches 88°F, and the coldest is January, when the night usually falls to 25°F. May is the wettest, with rain on about 13 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.
Jackson 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 Jackson County weather
- What is the hottest temperature recorded at a Jackson County station?
- 113°F at Carbondale Sewage Plt on August 9, 1930, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Jackson County station?
- -25°F at Carbondale Sewage Plt on January 11, 1977.
- What is the most rain a Jackson County station has measured in one day?
- 7.74 inches at Anna 4 N on March 18, 2008.
- What is the biggest one-day snowfall at a Jackson County station?
- 20 inches at Anna 4 N on February 25, 1979.
- How many Jackson County towns have a weather page here?
- 12: 7 villages, 4 cities, 1 census-designated places. 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 Jackson 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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