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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Partly Cloudy

35°F

2°C

Humidity 81%
Wind Speed E 5 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 09 Jan 08:56 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 46. Southeast wind 3 to 5 mph.

    High: 46 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Southeast wind around 6 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 45. Southeast wind 6 to 8 mph.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Southeast wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 48. Southeast wind around 6 mph.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 46. Southeast wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 31. Southeast wind around 6 mph.
Saturday
Mostly cloudy, with a high near 45. Southeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 31. Southeast wind around 6 mph.
Sunday
Mostly cloudy, with a high near 48. Southeast wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 49.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
8:59 am PST Jan 9, 2026
Forecast Valid:
9am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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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