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

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Rain

43°F

6°C

Humidity 92%
Wind Speed S 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 03 Nov 09:56 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Rain, mainly before 1am. Steady temperature around 45. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 55. Light and variable wind becoming east around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Cloudy, with a low around 46. East wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after 10am. High near 60. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm. Low around 45. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 4pm. Partly sunny, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Friday

    Friday: Rain, mainly before 10am. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain before 10pm. Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Rain, mainly before 1am. Steady temperature around 45. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 55. Light and variable wind becoming east around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 46. East wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 10am. High near 60. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before 10pm. Low around 45. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 4pm. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 47. Chance of precipitation is 90%.
Friday
Rain, mainly before 10am. High near 57. Chance of precipitation is 90%.
Friday Night
A 40 percent chance of rain before 10pm. Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 59.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
9:17 pm PST Nov 3, 2025
Forecast Valid:
10pm PST Nov 3, 2025-6pm PST Nov 10, 2025
 
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