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.

Clear

51°F

11°C

Humidity 54%
Wind Speed SSW 10 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Nov 11:53 AM PST
Extended Forecast for

Pasco WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 52. Southwest wind around 6 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, sunny, with a high near 49. Calm wind becoming north around 6 mph in the afternoon.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 33. Light northwest wind.

    Low: 33 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °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 52. Southwest wind around 6 mph.
Tonight
Patchy fog after 10pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 33. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 49. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 33. Light northwest wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 34.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 53.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
Last Update:
10:02 am PST Nov 18, 2025
Forecast Valid:
12pm 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