Lewis County weather, town by town
5 places in Lewis 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 1913 to 2026. Station extremes, not official state records.
Lewis County Weather Facts
Lewis County has 5 places on myweatherrock (5 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 112°F at Dworshak Fish Hatchery on June 29, 2021. The coldest night is -20°F at Cottonwood 2 Wsw on February 3, 1989. 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, 1913 to 2026, not official state records. By area the largest place is Kamiah, about 1 square miles.
About Lewis County weather
The map on the Now tab shows every Lewis 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 Lewis County towns with station normals, the warmest month is July, when the day usually reaches 87°F, and the coldest is December, when the night usually falls to 26°F. April is the wettest, with rain on about 13 days. July afternoons run from about 80°F in Craigmont to 93°F in Kamiah. December nights run from about 24°F in Craigmont to 28°F in Reubens.
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.
Lewis County weather records
Measured at the NOAA stations serving these towns, daily records 1913 to 2026. Station extremes, not official state records.
Common questions about Lewis County weather
- What is the hottest temperature recorded at a Lewis County station?
- 112°F at Dworshak Fish Hatchery on June 29, 2021, in the NOAA daily station records myweatherrock holds (1913 to 2026).
- What is the coldest temperature recorded at a Lewis County station?
- -20°F at Cottonwood 2 Wsw on February 3, 1989.
- What is the most rain a Lewis 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 Lewis County station?
- 14.02 inches at Dworshak Fish Hatchery on January 6, 2022.
- How many Lewis County towns have a weather page here?
- 5: 5 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 Lewis 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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