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

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Mostly Cloudy

49°F

9°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 08:56 AM PDT
Extended Forecast for

Clarkston WA

  • Today

    Today: A slight chance of rain, then showers and possibly a thunderstorm after 11am. High near 68. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 49. West wind around 6 mph becoming southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers

  • Monday

    Monday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. South wind 6 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A slight chance of rain, then showers and possibly a thunderstorm after 11am. High near 68. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 49. West wind around 6 mph becoming southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. South wind 6 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 42. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 62. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Rain. Low around 46. Chance of precipitation is 90%.
Wednesday
Rain. High near 55. Chance of precipitation is 90%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
Last Update:
4:22 am PDT Apr 12, 2026
Forecast Valid:
9am PDT Apr 12, 2026-6pm PDT Apr 18, 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