Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

72°F

22°C

Humidity	68%
Wind Speed	E 4 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	01 Aug 10:20 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Clarkston WA

Tonight
Low: 69 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 99 °F
Hot
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 97 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 66 °F
Chance
Showers
Monday
High: 86 °F
Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 63 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 69. East wind 3 to 6 mph.

Saturday

Sunny and hot, with a high near 99. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

Saturday Night

Mostly clear, with a low around 66. West wind 5 to 8 mph becoming light and variable after midnight.

Sunday

A slight chance of thunderstorms after 5pm. Mostly sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 10%.

Sunday Night

A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 66. West wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Monday Night

A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 63.

Tuesday

Sunny, with a high near 92.

Tuesday Night

Partly cloudy, with a low around 64.

Wednesday

Mostly sunny, with a high near 92.

Wednesday Night

Partly cloudy, with a low around 65.