Cerro Gordo County weather, town by town
12 places in Cerro Gordo County, Iowa, 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.
Cerro Gordo County Weather Facts
Cerro Gordo County has 12 places on myweatherrock (10 cities, 2 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 109°F at Hampton on July 21, 1901. The coldest night is -45°F at Mason City on February 2, 1996. The wettest day brought 7 inches of rain at Mason City on June 1, 1900. The biggest single-day snow measured 15 inches at Mason City on March 19, 1933. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Mason, about 28 square miles.
About Cerro Gordo County weather
The map on the Now tab shows every Cerro Gordo 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 Cerro Gordo County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is January, when the night usually falls to 8°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.
Cerro Gordo 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 Cerro Gordo County weather
- What is the hottest temperature recorded at a Cerro Gordo County station?
- 109°F at Hampton on July 21, 1901, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Cerro Gordo County station?
- -45°F at Mason City on February 2, 1996.
- What is the most rain a Cerro Gordo County station has measured in one day?
- 7 inches at Mason City on June 1, 1900.
- What is the biggest one-day snowfall at a Cerro Gordo County station?
- 15 inches at Mason City on March 19, 1933.
- How many Cerro Gordo County towns have a weather page here?
- 12: 10 cities, 2 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 Cerro Gordo 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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