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

Heavy Precipitation in the West; Wintry Mix in the North; Fire Weather in the High Plains

Pacific moisture will continue to bring locally heavy coastal/lower elevation rain and heavy mountain snow to the West Coast and portions of the Intermountain West through Monday. A wintry mix will create hazardous travel across the northern Plains and Upper Midwest into early Monday. Dry, gusty winds are resulting in elevated to critical fire weather in the south/central High Plains. 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 93%
Wind Speed ESE 9 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill38°F (3°C)
Last update 04 Jan 09:05 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Rain likely, mainly between 1am and 4am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 37. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely
    and Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly before 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind becoming west around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Light south wind.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain, mainly after 4pm. High near 42. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 4am, then a chance of rain and snow. Low around 34. West wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm, then a slight chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain before 10am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain likely, mainly between 1am and 4am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 37. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain, mainly before 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind becoming west around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Increasing clouds, with a low around 32. Light south wind.
Tuesday
Rain, mainly after 4pm. High near 42. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain before 4am, then a chance of rain and snow. Low around 34. West wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 1pm, then a slight chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
A chance of rain before 10am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
3:13 pm PST Jan 4, 2026
Forecast Valid:
9pm PST Jan 4, 2026-6pm PST Jan 11, 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