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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

70°F

21°C

Humidity 30%
Wind Speed SW 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 17 Mar 05:53 PM PDT
Extended Forecast for

4 Miles WNW West Richland WA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 48. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 73. Southwest wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 73 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 76. Southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 76 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. Southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 48. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 73. Southwest wind 11 to 17 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday
Mostly cloudy, with a high near 76. Southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 53. Southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Friday
Mostly cloudy, with a high near 75.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 60.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW West Richland WA
 46.35°N 119.48°W (Elev. 577 ft)
Last Update:
4:15 pm PDT Mar 17, 2026
Forecast Valid:
6pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation