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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Fog

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 37°F (3°C)
Visibility 0.24 mi
Last update 21 Nov 11:20 PM PST
Extended Forecast for

Richland WA

Dense Fog Advisory until November 22, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 22, 10:00am

    NOW until 10:00am Sat

    Dense Fog Advisory

  • Tonight

    Low: 31 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog between 7am and 10am. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm. Mostly clear, with a low around 32. Southwest wind around 9 mph.

    Low: 32 °F

    Chance Rain
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog before 4am. Patchy freezing fog after 4am. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Saturday
Patchy fog between 7am and 10am. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 46. Calm wind.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Sunday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
A 30 percent chance of rain before 10pm. Mostly clear, with a low around 32. Southwest wind around 9 mph.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 42.
Tuesday Night
A chance of rain before 1am, then a chance of rain and snow. Cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Thanksgiving Day
A slight chance of rain. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Mostly cloudy, with a high near 47.
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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:
9:15 pm PST Nov 21, 2025
Forecast Valid:
11pm PST Nov 21, 2025-6pm PST Nov 28, 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