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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

63°F

17°C

Humidity 27%
Wind Speed S 9 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 Jan 02:00 PM PST
Extended Forecast for

2 Miles WSW West Pasco WA

Air Stagnation Advisory January 13, 07:00am until January 16, 07:00am
Click here for hazard details and duration
Air Stagnation Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. Southwest wind around 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 1pm. Otherwise, partly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 32.

    Low: 32 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 44.

    High: 44 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 41.

    High: 41 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 38. South wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 51. Calm wind.
Tuesday Night
Patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 35. Calm wind.
Wednesday
Areas of dense fog before 1pm. Otherwise, partly sunny, with a high near 47. Calm wind.
Wednesday Night
Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 32.
Thursday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 44.
Thursday Night
Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 30.
Friday
Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 41.
Friday Night
Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 29.
Saturday
Patchy dense fog. Otherwise, mostly cloudy, with a high near 40.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW West Pasco WA
 46.23°N 119.23°W (Elev. 407 ft)
Last Update:
1:30 pm PST Jan 12, 2026
Forecast Valid:
2pm PST Jan 12, 2026-6pm PST Jan 18, 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