Iron County weather, town by town
6 places in Iron County, Missouri, 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.
Iron County Weather Facts
Iron County has 6 places on myweatherrock (5 cities, 1 villages), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 112°F at Potosi 4 Sw on July 23, 1901. The coldest night is -28°F at Potosi 4 Sw on February 13, 1899. The wettest day brought 8.1 inches of rain at Clearwater Dam on November 15, 2005. The biggest single-day snow measured 12.99 inches at Farmington on November 6, 1951. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Viburnum, about 2 square miles.
About Iron County weather
The map on the Now tab shows every Iron 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 3 Iron County towns with station normals, the warmest month is July, when the day usually reaches 89°F, and the coldest is January, when the night usually falls to 22°F. May is the wettest, with rain on about 10 days. July afternoons run from about 86°F in Viburnum to 90°F in Annapolis.
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.
Iron 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 Iron County weather
- What is the hottest temperature recorded at a Iron County station?
- 112°F at Potosi 4 Sw on July 23, 1901, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Iron County station?
- -28°F at Potosi 4 Sw on February 13, 1899.
- What is the most rain a Iron County station has measured in one day?
- 8.1 inches at Clearwater Dam on November 15, 2005.
- What is the biggest one-day snowfall at a Iron County station?
- 12.99 inches at Farmington on November 6, 1951.
- How many Iron County towns have a weather page here?
- 6: 5 cities, 1 villages. 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 Iron 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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