Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

82°F

28°C

Humidity 28%
Wind Speed S 13 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 01:00 PM PDT
Extended Forecast for

18 Miles SE Mattawa WA

Red Flag Warning June 20, 03:00pm until June 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 10 to 20 mph, with gusts as high as 31 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. North wind 5 to 7 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northwest wind 5 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Northwest wind 6 to 8 mph becoming northeast in the morning.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 10 to 20 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 90. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 5 to 9 mph.
Monday
Sunny, with a high near 92. Northwest wind 6 to 8 mph becoming northeast in the morning.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SE Mattawa WA
 46.59°N 119.61°W (Elev. 600 ft)
11:46 am PDT Jun 20, 2026
1pm PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database