Platte County weather, town by town
12 places in Platte County, Wyoming, 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 1900 to 2026. Station extremes, not official state records.
Platte County Weather Facts
Platte County has 12 places on myweatherrock (7 census-designated places, 5 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 110°F at Chugwater on July 5, 1937. The coldest night is -45°F at Chugwater on December 31, 1923. The wettest day brought 3.58 inches of rain at Chugwater on May 21, 1923. The biggest single-day snow measured 35.98 inches at Chugwater on April 17, 1920. Those are station measurements from NOAA's daily records, 1900 to 2026, not official state records. By area the largest place is Slater, about 74 square miles.
About Platte County weather
The map on the Now tab shows every Platte 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 Platte County towns with station normals, the warmest month is August, when the day usually reaches 90°F, and the coldest is February, when the night usually falls to 13°F. May is the wettest, with rain on about 9 days. August afternoons run from about 85°F in Chugwater to 91°F in Chugcreek. February nights run from about 12°F in Chugcreek to 17°F in Chugwater.
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.
Platte County weather records
Measured at the NOAA stations serving these towns, daily records 1900 to 2026. Station extremes, not official state records.
Common questions about Platte County weather
- What is the hottest temperature recorded at a Platte County station?
- 110°F at Chugwater on July 5, 1937, in the NOAA daily station records myweatherrock holds (1900 to 2026).
- What is the coldest temperature recorded at a Platte County station?
- -45°F at Chugwater on December 31, 1923.
- What is the most rain a Platte County station has measured in one day?
- 3.58 inches at Chugwater on May 21, 1923.
- What is the biggest one-day snowfall at a Platte County station?
- 35.98 inches at Chugwater on April 17, 1920.
- How many Platte County towns have a weather page here?
- 12: 7 census-designated places, 5 towns. 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 Platte 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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