Nez Perce County weather, town by town
5 places in Nez Perce County, Idaho, 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 1948 to 2026. Station extremes, not official state records.
Nez Perce County Weather Facts
Nez Perce County has 5 places on myweatherrock (4 cities, 1 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 115°F at Lewiston Ap on August 4, 1961. The coldest night is -22°F at Lewiston Ap on January 31, 1950. The wettest day brought 2.5 inches of rain at Dworshak Fish Hatchery on December 27, 2010. The biggest single-day snow measured 14.02 inches at Dworshak Fish Hatchery on January 6, 2022. Those are station measurements from NOAA's daily records, 1948 to 2026, not official state records. By area the largest place is Lewiston, about 18 square miles.
About Nez Perce County weather
The map on the Now tab shows every Nez Perce 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 5 Nez Perce County towns with station normals, the warmest month is July, when the day usually reaches 90°F, and the coldest is December, when the night usually falls to 29°F. March is the wettest, with rain on about 13 days.
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.
Nez Perce County weather records
Measured at the NOAA stations serving these towns, daily records 1948 to 2026. Station extremes, not official state records.
Common questions about Nez Perce County weather
- What is the hottest temperature recorded at a Nez Perce County station?
- 115°F at Lewiston Ap on August 4, 1961, in the NOAA daily station records myweatherrock holds (1948 to 2026).
- What is the coldest temperature recorded at a Nez Perce County station?
- -22°F at Lewiston Ap on January 31, 1950.
- What is the most rain a Nez Perce County station has measured in one day?
- 2.5 inches at Dworshak Fish Hatchery on December 27, 2010.
- What is the biggest one-day snowfall at a Nez Perce County station?
- 14.02 inches at Dworshak Fish Hatchery on January 6, 2022.
- How many Nez Perce County towns have a weather page here?
- 5: 4 cities, 1 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 Nez Perce 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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