National Weather Service

News Headlines

Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP/OSO) for all NWS Western Region Offices Effect July 7, 2026

Hazardous Weather Conditions

Fire Weather Watch in effect from July 7, 11:00 AM PDT until July 7, 10:00 PM PDT

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

79°F

26°C

Humidity	27%
Wind Speed	N 8 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	06 Jul 10:00 AM PDT

More Information:

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

Extended Forecast for

16 Miles SSE Mattawa WA

Fire Weather Watch July 7, 11:00am until July 7, 10:00pm

Click here for hazard details and duration

Fire Weather Watch

Today
High: 92 °F
Mostly Sunny
Tonight
Low: 64 °F
Gradual
Clearing
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 59 °F
Clear
Friday
High: 90 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 92. North wind around 5 mph becoming southeast in the afternoon.

Tonight

Mostly cloudy during the early evening, then gradual clearing, with a low around 64. Southeast wind 5 to 7 mph becoming light and variable in the evening.

Tuesday

Sunny and hot, with a high near 98. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 64. West wind 13 to 16 mph, with gusts as high as 26 mph.

Wednesday

Sunny, with a high near 89. West wind around 14 mph, with gusts as high as 24 mph.

Wednesday Night

Mostly clear, with a low around 58.

Thursday

Sunny, with a high near 88.

Thursday Night

Clear, with a low around 59.