Tracking Storm System Across the Central U.S.

A storm system will slowly continue to press across the central U.S. Friday and Saturday with widespread showers and thunderstorms. Slight risks for severe thunderstorms and excessive rainfall have been issued Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

58°F

14°C

Humidity	45%
Wind Speed	S 8 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	16 Oct 11:53 PM PDT

More Information:

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

Extended Forecast for

19 Miles ESE Mattawa WA

Overnight
Low: 42 °F
Partly Cloudy
Friday
High: 68 °F
Becoming
Sunny
Friday Night
Low: 35 °F
Mostly Clear
then Areas
Frost
Saturday
High: 60 °F
Areas Frost
then Partly
Sunny
Saturday Night
Low: 47 °F
Showers
Likely
Sunday
High: 63 °F
Chance
Showers
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 63 °F
Sunny
Monday Night
Low: 38 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 42. Southwest wind around 7 mph.

Friday

Partly sunny, then gradually becoming sunny, with a high near 68. West wind 7 to 10 mph, with gusts as high as 20 mph.

Friday Night

Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.

Saturday

Areas of frost before 11am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming southeast around 5 mph in the afternoon.

Saturday Night

Showers likely, mainly after 11pm. Mostly cloudy, with a low around 47. Southeast wind 5 to 8 mph becoming southwest in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A 40 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 63.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 63.

Monday Night

Partly cloudy, with a low around 38.

Tuesday

Partly sunny, with a high near 62.

Tuesday Night

Partly cloudy, with a low around 37.