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 >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

36°F

2°C

Humidity 69%
Wind Speed WNW 4 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 22 Mar 03:00 AM PDT
Extended Forecast for

5 Miles W Kennewick WA

  • Overnight

    Overnight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 59 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 49. South wind 3 to 5 mph.

    Low: 49 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Wednesday Night

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

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Southwest wind around 5 mph.
Sunday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Monday
Partly sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Cloudy, with a low around 49. South wind 3 to 5 mph.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 61. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Kennewick WA
 46.2°N 119.25°W (Elev. 597 ft)
Last Update:
2:30 am PDT Mar 22, 2026
Forecast Valid:
3am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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