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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

46°F

8°C

Humidity 81%
Wind Speed SE 10 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Nov 01:15 AM PST
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 45. East wind around 10 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 63. East wind 3 to 8 mph.

    High: 63 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain, mainly between 10pm and 4am. Low around 45. Southwest wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Saturday

    Saturday: A 40 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 57. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Southeast wind 5 to 11 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

    High: 49 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 45. East wind around 10 mph.
Friday
Mostly cloudy, with a high near 63. East wind 3 to 8 mph.
Friday Night
Rain, mainly between 10pm and 4am. Low around 45. Southwest wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 57. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 40. Southeast wind 5 to 11 mph.
Sunday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 53.
Sunday Night
Rain likely. Cloudy, with a low around 42. Chance of precipitation is 70%.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Monday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 116.97°W (Elev. 1407 ft)
Last Update:
11:47 pm PST Nov 12, 2026
Forecast Valid:
1am PST Nov 13, 2026-6pm PST Nov 19, 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