Saline County weather, town by town
7 places in Saline 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 1898 to 2026. Station extremes, not official state records.
Saline County Weather Facts
Saline County has 7 places on myweatherrock (5 villages, 2 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 113°F at Harrisburg on July 13, 1936. The coldest night is -23°F at Harrisburg on February 2, 1951. The wettest day brought 10 inches of rain at Harrisburg on March 18, 2008. The biggest single-day snow measured 15 inches at Harrisburg on March 27, 1947. Those are station measurements from NOAA's daily records, 1898 to 2026, not official state records. By area the largest place is Harrisburg, about 7 square miles.
About Saline County weather
The map on the Now tab shows every Saline 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 7 Saline 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 24°F. April is the wettest, with rain on about 10 days. January nights run from about 24°F in Carrier Mills to 27°F in Stonefort.
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.
Saline County weather records
Measured at the NOAA stations serving these towns, daily records 1898 to 2026. Station extremes, not official state records.
Common questions about Saline County weather
- What is the hottest temperature recorded at a Saline County station?
- 113°F at Harrisburg on July 13, 1936, in the NOAA daily station records myweatherrock holds (1898 to 2026).
- What is the coldest temperature recorded at a Saline County station?
- -23°F at Harrisburg on February 2, 1951.
- What is the most rain a Saline County station has measured in one day?
- 10 inches at Harrisburg on March 18, 2008.
- What is the biggest one-day snowfall at a Saline County station?
- 15 inches at Harrisburg on March 27, 1947.
- How many Saline County towns have a weather page here?
- 7: 5 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 Saline 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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