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.

Overcast

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 May 12:20 AM PDT
Extended Forecast for

Asotin WA

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 11pm. Mostly cloudy, with a low around 57. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 50. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 56. Light and variable wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 11pm. Mostly cloudy, with a low around 57. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Asotin WA
 46.34°N 117.05°W (Elev. 846 ft)
Last Update:
11:31 pm PDT May 26, 2026
Forecast Valid:
12am PDT May 27, 2026-6pm PDT Jun 2, 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