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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

61°F

16°C

Humidity 51%
Wind Speed SW 14 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 05:15 AM PDT
Extended Forecast for

Pasco WA

  • Today

    Today: Increasing clouds, with a high near 76. South wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 2am. Cloudy, with a low around 50. West wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 63. West wind 6 to 9 mph.

    High: 63 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West wind 5 to 9 mph becoming light southwest after midnight.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Southwest wind 3 to 6 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 76. South wind 7 to 14 mph, with gusts as high as 23 mph.
Tonight
A 30 percent chance of rain, mainly after 2am. Cloudy, with a low around 50. West wind 7 to 11 mph, with gusts as high as 23 mph.
Saturday
A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 63. West wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 36. West wind 5 to 9 mph becoming light southwest after midnight.
Sunday
Mostly sunny, with a high near 60. Southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
Last Update:
4:20 am PDT Mar 20, 2026
Forecast Valid:
5am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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