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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

46°F

8°C

Humidity 45%
Wind Speed S 5 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 12 Jan 06:35 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 53. Calm wind becoming south around 6 mph in the morning.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Southeast wind 3 to 5 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Light southeast wind.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47. Light east wind.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy freezing fog after 5am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 7am. Mostly sunny, with a high near 42.

    High: 42 °F

    Patchy
    Freezing Fog
    then Sunny

Detailed Forecast

Today
Partly sunny, with a high near 53. Calm wind becoming south around 6 mph in the morning.
Tonight
Partly cloudy, with a low around 36. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 53. Southeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 34. Light southeast wind.
Wednesday
Sunny, with a high near 47. Light east wind.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly cloudy, with a high near 38.
Thursday Night
Patchy freezing fog after 5am. Mostly cloudy, with a low around 30.
Friday
Patchy freezing fog before 7am. Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 46.
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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:
2:57 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 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