National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

86°F

30°C

Humidity 30%
Wind Speed SSE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Jul 12:35 PM PDT
Extended Forecast for

2 Miles SSW Pasco WA

Heat Advisory until July 31, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 31, 11:00pm

    NOW until 11:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 70. North wind around 6 mph becoming southwest after midnight.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 98. Southwest wind 5 to 8 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 10 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 103. North wind around 6 mph.
Tonight
Mostly clear, with a low around 70. North wind around 6 mph becoming southwest after midnight.
Thursday
Mostly sunny and hot, with a high near 98. Southwest wind 5 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 10 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 87.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Pasco WA
 46.2°N 119.13°W (Elev. 400 ft)
Last Update:
12:55 pm PDT Jul 30, 2025
Forecast Valid:
1pm PDT Jul 30, 2025-6pm PDT Aug 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation