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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

41°F

5°C

Humidity 75%
Wind Speed ESE 4 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 02 Nov 11:05 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Southeast wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 50. East wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly before 4am. Low around 43. East wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain before 10am. Mostly cloudy, with a high near 58. South wind around 6 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain
    then Partly
    Sunny

  • 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. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly after 4pm. Mostly cloudy, 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

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Southeast wind around 6 mph.
Monday
A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 50. East wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain, mainly before 4am. Low around 43. East wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 50 percent chance of rain before 10am. Mostly cloudy, with a high near 58. South wind around 6 mph becoming west 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. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 45. Chance of precipitation is 90%.
Thursday
Rain likely, mainly after 4pm. Mostly cloudy, 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 58. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 56.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 59.
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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:
9:11 pm PST Nov 2, 2025
Forecast Valid:
11pm PST Nov 2, 2025-6pm PST Nov 9, 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