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

Hazardous Weather Conditions

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

32°F

0°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 15 Mar 07:15 AM PDT
Extended Forecast for

Asotin WA

Flood Advisory until March 15, 12:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until March 15, 12:00pm

    NOW until 12:00pm Sun

    Flood Advisory

  • Today

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain. Cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly after 11am. Cloudy, with a high near 59. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 47. South wind 5 to 7 mph.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Cloudy, with a high near 66. Southwest wind 6 to 9 mph.

    High: 66 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly cloudy, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
A 40 percent chance of rain. Cloudy, with a low around 41. Light and variable wind.
Monday
A 40 percent chance of rain, mainly after 11am. Cloudy, with a high near 59. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 47. South wind 5 to 7 mph.
Tuesday
A 20 percent chance of rain after 11am. Cloudy, with a high near 66. Southwest wind 6 to 9 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 68.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 73.
Thursday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 51.
Friday
Mostly cloudy, with a high near 74.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Mostly cloudy, with a high near 71.
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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:
3:47 am PDT Mar 15, 2026
Forecast Valid:
7am PDT Mar 15, 2026-6pm PDT Mar 21, 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