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

Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Mostly Cloudy

43°F

6°C

Humidity 86%
Wind Speed ENE 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 07 Mar 06:00 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: A slight chance of rain between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 68. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Southwest wind 5 to 8 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 65. Breezy, with a west wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 65 °F

    Slight Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 38. Breezy, with a west wind 15 to 24 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: Rain likely, mainly after 4pm. Partly sunny, with a high near 50. West wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then rain likely. Cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Today
A slight chance of rain between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 68. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 46. Southwest wind 5 to 8 mph.
Sunday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 65. Breezy, with a west wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 38. Breezy, with a west wind 15 to 24 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 4pm. Partly sunny, with a high near 50. West wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow before 10am, then rain likely. Cloudy, with a high near 53. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 61. Breezy. Chance of precipitation is 60%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
3:02 am PST Mar 7, 2026
Forecast Valid:
6am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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