Hardin County weather, town by town
13 places in Hardin 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.
Hardin County Weather Facts
Hardin County has 13 places on myweatherrock (12 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 111°F at Iowa Falls on July 14, 1936. The coldest night is -34°F at Iowa Falls on January 12, 1912. The wettest day brought 6.25 inches of rain at Iowa Falls on July 31, 1964. The biggest single-day snow measured 17.99 inches at Iowa Falls on January 4, 1971. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Iowa Falls, about 5 square miles.
About Hardin County weather
The map on the Now tab shows every Hardin 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 13 Hardin 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. January nights run from about 8°F in Ackley to 11°F in Union.
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.
Hardin 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 Hardin County weather
- What is the hottest temperature recorded at a Hardin County station?
- 111°F at Iowa Falls on July 14, 1936, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Hardin County station?
- -34°F at Iowa Falls on January 12, 1912.
- What is the most rain a Hardin County station has measured in one day?
- 6.25 inches at Iowa Falls on July 31, 1964.
- What is the biggest one-day snowfall at a Hardin County station?
- 17.99 inches at Iowa Falls on January 4, 1971.
- How many Hardin County towns have a weather page here?
- 13: 12 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 Hardin 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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