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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

34°F

1°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 13 Feb 04:35 AM PST
Extended Forecast for

Clarkston WA

  • Today

    Today: Mostly cloudy, with a high near 53. Light southeast wind.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 10pm. Cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Cloudy, with a high near 53. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 4am. Cloudy, with a low around 42. Light north wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Washington's Birthday

    Washington's Birthday: A 30 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 53. Light southeast wind.
Tonight
A 40 percent chance of rain, mainly after 10pm. Cloudy, with a low around 43. Calm wind.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 53. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly before 4am. Cloudy, with a low around 42. Light north wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Washington's Birthday
A 30 percent chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
Last Update:
2:32 am PST Feb 13, 2026
Forecast Valid:
4am PST Feb 13, 2026-6pm PST Feb 19, 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