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

64°F

18°C

Humidity 23%
Wind Speed SW 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Mar 03:35 PM PDT
Extended Forecast for

Pasco WA

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 11am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming south around 5 mph.

    High: 60 °F

    Areas Frost
    then
    Increasing
    Clouds

  • Sunday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 63. Calm wind.

    High: 63 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Cloudy, with a low around 46. Light south wind.

    Low: 46 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Areas of frost before 11am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming south around 5 mph.
Sunday Night
Mostly cloudy, with a low around 35. Light northeast wind.
Monday
Increasing clouds, with a high near 63. Calm wind.
Monday Night
Cloudy, with a low around 46. Light south wind.
Tuesday
Rain likely. Cloudy, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Wednesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 65.
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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:
3:45 pm PDT Mar 21, 2026
Forecast Valid:
3pm PDT Mar 21, 2026-6pm PDT Mar 28, 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