National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Mist

28°F

-2°C

Humidity 79%
Wind Speed E 9 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 19 Feb 06:35 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 40. East wind 3 to 6 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 28. Light and variable wind. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before 10am. Partly sunny, with a high near 39. Calm wind becoming west around 5 mph in the afternoon. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Southeast wind 3 to 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. East wind 6 to 9 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 40. East wind 3 to 6 mph.
Tonight
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 28. Light and variable wind. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before 10am. Partly sunny, with a high near 39. Calm wind becoming west around 5 mph in the afternoon. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 25. Southeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 45. East wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 37.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
Monday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 51.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
3:06 am PST Feb 19, 2026
Forecast Valid:
6am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation