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

High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

21°F

-6°C

Humidity 85%
Wind Speed SE 3 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 26 Jan 12:35 AM PST
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 26. Light southeast wind.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 38. Northeast wind around 5 mph becoming calm in the morning.

    High: 38 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. East wind 3 to 6 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southeast wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain then
    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 26. Light southeast wind.
Monday
Increasing clouds, with a high near 38. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 28. Calm wind.
Tuesday
Partly sunny, with a high near 45. East wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southeast wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 33.
Thursday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 46.
Thursday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 37.
Friday
A 20 percent chance of rain. Cloudy, with a high near 50.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
9:16 pm PST Jan 25, 2026
Forecast Valid:
12am PST Jan 26, 2026-6pm PST Feb 1, 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