Natrona County weather, town by town
18 places in Natrona 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 1905 to 2026. Station extremes, not official state records.
Natrona County Weather Facts
Natrona County has 18 places on myweatherrock (12 census-designated places, 5 towns, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 118°F at Casper Mtn. on September 10, 2004. The coldest night is -42°F at Casper-Natrona Co Ap on December 22, 2022. The wettest day brought 5 inches of rain at Casper Mtn. on May 8, 1995. The biggest single-day snow measured 27.99 inches at Midwest on April 3, 1955. Those are station measurements from NOAA's daily records, 1905 to 2026, not official state records. By area the largest place is Casper Mountain, about 36 square miles.
About Natrona County weather
The map on the Now tab shows every Natrona 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 17 Natrona County towns with station normals, the warmest month is July, when the day usually reaches 88°F, and the coldest is February, when the night usually falls to 16°F. May is the wettest, with rain on about 10 days. July afternoons run from about 75°F in Casper Mountain to 89°F in Antelope Hills. February nights run from about 13°F in Casper Mountain to 16°F in Alcova.
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.
Natrona County weather records
Measured at the NOAA stations serving these towns, daily records 1905 to 2026. Station extremes, not official state records.
Common questions about Natrona County weather
- What is the hottest temperature recorded at a Natrona County station?
- 118°F at Casper Mtn. on September 10, 2004, in the NOAA daily station records myweatherrock holds (1905 to 2026).
- What is the coldest temperature recorded at a Natrona County station?
- -42°F at Casper-Natrona Co Ap on December 22, 2022.
- What is the most rain a Natrona County station has measured in one day?
- 5 inches at Casper Mtn. on May 8, 1995.
- What is the biggest one-day snowfall at a Natrona County station?
- 27.99 inches at Midwest on April 3, 1955.
- How many Natrona County towns have a weather page here?
- 18: 12 census-designated places, 5 towns, 1 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 Natrona 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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