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

45°F

7°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Feb 05:35 PM PST
Extended Forecast for

Clarkston WA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 10pm. Cloudy, with a low around 42. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Cloudy, with a high near 52. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 4am. Cloudy, with a low around 42. Light and variable 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 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

  • Washington's Birthday

    Washington's Birthday: A 40 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind.
Friday
Mostly cloudy, with a high near 53. Light and variable wind.
Friday Night
A 40 percent chance of rain, mainly after 10pm. Cloudy, with a low around 42. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 52. 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 and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 51.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Washington's Birthday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Monday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 46. 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:
1:12 pm PST Feb 12, 2026
Forecast Valid:
5pm PST Feb 12, 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