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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 01 Jan 10:53 PM PST
Extended Forecast for

Pasco WA

Winter Weather Advisory January 1, 11:13pm until January 2, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 1, 11:13pm until January 2, 07:00am

    NOW until 7:00am Fri

    Winter Weather Advisory

  • Tonight

    Low: 31 °F

    Rain/Freezing
    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 42. Light east wind.

    High: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 33. Northwest wind 3 to 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 45. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38. North wind 5 to 7 mph becoming south in the evening.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Tonight
Freezing rain likely, possibly mixed with rain. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.
Friday
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 42. Light east wind.
Friday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 33. Northwest wind 3 to 5 mph.
Saturday
A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 45. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38. North wind 5 to 7 mph becoming south in the evening.
Sunday
A slight chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 47.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A slight chance of rain. Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 31.
Thursday
A slight chance of rain and snow. Snow level 1400 feet. Partly sunny, with a high near 44.
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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:
10:55 pm PST Jan 1, 2026
Forecast Valid:
11pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
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