Jones County weather, town by town
10 places in Jones 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 1892 to 2026. Station extremes, not official state records.
Jones County Weather Facts
Jones County has 10 places on myweatherrock (8 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 110°F at Cedar Rapids #1 on July 6, 1911. The coldest night is -37°F at Maquoketa on January 17, 2009. The wettest day brought 7.78 inches of rain at Cedar Rapids #1 on September 15, 1914. The biggest single-day snow measured 16.69 inches at Cedar Rapids #1 on February 26, 1954. Those are station measurements from NOAA's daily records, 1892 to 2026, not official state records. By area the largest place is Monticello, about 6 square miles.
About Jones County weather
The map on the Now tab shows every Jones 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 10 Jones County towns with station normals, the warmest month is July, when the day usually reaches 84°F, and the coldest is January, when the night usually falls to 11°F. May is the wettest, with rain on about 12 days. January nights run from about 10°F in Center Junction to 13°F in Anamosa.
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.
Jones 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 Jones County weather
- What is the hottest temperature recorded at a Jones County station?
- 110°F at Cedar Rapids #1 on July 6, 1911, in the NOAA daily station records myweatherrock holds (1892 to 2026).
- What is the coldest temperature recorded at a Jones County station?
- -37°F at Maquoketa on January 17, 2009.
- What is the most rain a Jones County station has measured in one day?
- 7.78 inches at Cedar Rapids #1 on September 15, 1914.
- What is the biggest one-day snowfall at a Jones County station?
- 16.69 inches at Cedar Rapids #1 on February 26, 1954.
- How many Jones County towns have a weather page here?
- 10: 8 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 Jones 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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