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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

65°F

18°C

Humidity 32%
Wind Speed SW 11 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 17 Jun 03:56 AM PDT
Extended Forecast for

Clarkston WA

  • Today

    Today: Sunny, with a high near 88. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 92. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Juneteenth
Mostly sunny and hot, with a high near 98. Light and variable wind.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 58.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
Last Update:
3:46 am PDT Jun 17, 2026
Forecast Valid:
4am PDT Jun 17, 2026-6pm PDT Jun 23, 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