Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

97°F

36°C

Humidity	15%
Wind Speed	NW 4 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	30 Jul 12:35 PM PDT

More Information:

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

Extended Forecast for

Clarkston WA

This Afternoon
High: 106 °F
Hot
Tonight
Low: 73 °F
Slight Chance
Showers then
Mostly Clear
Thursday
High: 103 °F
Slight Chance
Showers then
Slight Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Friday
High: 92 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 68 °F
Chance
Showers
Saturday
High: 95 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Mostly Clear
Sunday
High: 94 °F
Sunny

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 106. Southeast wind around 6 mph becoming northwest.

Tonight

A slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 73. Northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.

Thursday

A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 103. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northwest wind 6 to 9 mph becoming south in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 92. Light and variable wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 95.

Saturday Night

Mostly clear, with a low around 65.

Sunday

Sunny, with a high near 94.

Sunday Night

A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 66.

Monday

A 20 percent chance of showers. Partly sunny, with a high near 87.