Dallas County weather, town by town
14 places in Dallas 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.
Dallas County Weather Facts
Dallas County has 14 places on myweatherrock (14 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 113°F at Guthrie Ctr on August 5, 1934. The coldest night is -35°F at Winterset 4N on March 1, 1962. The wettest day brought 7.57 inches of rain at Perry on June 13, 1926. The biggest single-day snow measured 20 inches at Des Moines 4.5 Wnw on December 9, 2009. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Waukee, about 22 square miles.
About Dallas County weather
The map on the Now tab shows every Dallas 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 14 Dallas County towns with station normals, the warmest month is July, when the day usually reaches 85°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 Bouton to 14°F in Waukee.
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.
Dallas 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 Dallas County weather
- What is the hottest temperature recorded at a Dallas County station?
- 113°F at Guthrie Ctr on August 5, 1934, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Dallas County station?
- -35°F at Winterset 4N on March 1, 1962.
- What is the most rain a Dallas County station has measured in one day?
- 7.57 inches at Perry on June 13, 1926.
- What is the biggest one-day snowfall at a Dallas County station?
- 20 inches at Des Moines 4.5 Wnw on December 9, 2009.
- How many Dallas County towns have a weather page here?
- 14: 14 cities. 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 Dallas 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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