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

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Mostly Cloudy

52°F

11°C

Humidity 53%
Wind Speed SSW 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Nov 02:35 PM PST
Extended Forecast for

Richland WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. Southwest wind around 6 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 31. Light west wind.

    Low: 31 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 48. Calm wind becoming north around 6 mph in the morning.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Northwest wind 3 to 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Light southwest wind.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. Southwest wind around 6 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 31. Light west wind.
Wednesday
Sunny, with a high near 48. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 50. Light southwest wind.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.3°N 119.31°W (Elev. 400 ft)
Last Update:
2:32 pm PST Nov 18, 2025
Forecast Valid:
2pm PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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