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

70°F

21°C

Humidity 37%
Wind Speed SW 17 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 12:25 PM PDT
Extended Forecast for

Pasco WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 76. West wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 76 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 2am. Cloudy, with a low around 47. West wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 7 to 10 mph.

    High: 64 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °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 42.

    Low: 42 °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

This Afternoon
Mostly cloudy, with a high near 76. West wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of rain, mainly after 2am. Cloudy, with a low around 47. West wind 7 to 14 mph, with gusts as high as 24 mph.
Saturday
A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 34. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 42.
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 43.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
Last Update:
10:32 am PDT Mar 20, 2026
Forecast Valid:
12pm PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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