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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

46°F

8°C

Humidity 70%
Wind Speed SSW 5 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Nov 09:15 PM PST
Extended Forecast for

Pasco WA

  • Tonight

    Tonight: Patchy fog after 1am. Patchy freezing fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Patchy freezing fog before 7am. Otherwise, sunny, with a high near 48. Calm wind becoming north around 6 mph in the afternoon.

    High: 48 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Patchy freezing fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Calm wind.
Wednesday
Patchy fog before 7am. Patchy freezing fog before 7am. Otherwise, sunny, with a high near 48. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind.
Thursday Night
Mostly clear, with a low around 30. Calm wind.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Partly sunny, with a high near 54.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
Last Update:
9:15 pm PST Nov 18, 2025
Forecast Valid:
9pm PST Nov 18, 2025-6pm PST Nov 25, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation