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

68°F

20°C

Humidity 32%
Wind Speed S 17 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Mar 12:00 PM PDT
Extended Forecast for

4 Miles SSW Richland WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. Southwest wind 16 to 18 mph, with gusts as high as 24 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70. Southwest wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. Southwest wind 10 to 17 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. South wind 10 to 20 mph, with gusts as high as 26 mph.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. Southwest wind 16 to 18 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 53. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, with a high near 70. Southwest wind 10 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 53. Southwest wind 10 to 17 mph, with gusts as high as 22 mph.
Friday
Mostly cloudy, with a high near 69. South wind 10 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 46. Breezy.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Richland WA
 46.24°N 119.33°W (Elev. 1398 ft)
Last Update:
10:16 am PDT Mar 18, 2026
Forecast Valid:
12pm PDT Mar 18, 2026-6pm PDT Mar 24, 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