Macoupin County weather, town by town
27 places in Macoupin 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 1892 to 2026. Station extremes, not official state records.
Macoupin County Weather Facts
Macoupin County has 27 places on myweatherrock (17 villages, 8 cities, 2 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 116°F at Alton - Melvin Price LandD on July 10, 1946. The coldest night is -26°F at White Hall 1 E on January 7, 1912. The wettest day brought 5.6 inches of rain at White Hall 1 E on December 3, 1982. The biggest single-day snow measured 14.02 inches at Medora 1 S on November 6, 1951. Those are station measurements from NOAA's daily records, 1892 to 2026, not official state records. By area the largest place is Staunton, about 4 square miles.
About Macoupin County weather
The map on the Now tab shows every Macoupin 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 27 Macoupin 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 21°F. May is the wettest, with rain on about 11 days. July afternoons run from about 86°F in Girard to 89°F in Benld. January nights run from about 18°F in Girard to 23°F in Bunker Hill.
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.
Macoupin County weather records
Measured at the NOAA stations serving these towns, daily records 1892 to 2026. Station extremes, not official state records.
Common questions about Macoupin County weather
- What is the hottest temperature recorded at a Macoupin County station?
- 116°F at Alton - Melvin Price LandD on July 10, 1946, in the NOAA daily station records myweatherrock holds (1892 to 2026).
- What is the coldest temperature recorded at a Macoupin County station?
- -26°F at White Hall 1 E on January 7, 1912.
- What is the most rain a Macoupin County station has measured in one day?
- 5.6 inches at White Hall 1 E on December 3, 1982.
- What is the biggest one-day snowfall at a Macoupin County station?
- 14.02 inches at Medora 1 S on November 6, 1951.
- How many Macoupin County towns have a weather page here?
- 27: 17 villages, 8 cities, 2 towns. 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 Macoupin 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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