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

Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Rain

39°F

4°C

Humidity 93%
Wind Speed W 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Last update 04 Dec 06:35 PM PST
Extended Forecast for

Richland WA

  • Tonight

    Tonight: Rain, mainly after 4am. Patchy fog after 4am. Low around 37. Light west wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 10am. Patchy fog before 7am. High near 53. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West wind 17 to 21 mph, with gusts as high as 37 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Southwest wind around 16 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 42. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 4am. Patchy fog after 4am. Low around 37. Light west wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 10am. Patchy fog before 7am. High near 53. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 43. West wind 17 to 21 mph, with gusts as high as 37 mph.
Saturday
Mostly sunny, with a high near 56. Southwest wind around 16 mph, with gusts as high as 30 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 42. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55.
Sunday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 43.
Monday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 56.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 56.
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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:
4:17 pm PST Dec 4, 2025
Forecast Valid:
6pm PST Dec 4, 2025-6pm PST Dec 11, 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