Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

48°F

9°C

Humidity 39%
Wind Speed WSW 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 31 Mar 03:00 PM PDT
Extended Forecast for

West Pasco WA

  • Tonight

    Tonight: Rain, mainly after 5am.  Low around 41. Light and variable wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Rain

  • Wednesday

    Wednesday: Rain, mainly after 2pm.  High near 58. Calm wind becoming southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 39. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain then
    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 59. West wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 5am. Low around 41. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 2pm. High near 58. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly before 11pm. Low around 39. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 59. West wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 37. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
West Pasco WA
 46.25°N 119.2°W (Elev. 381 ft)
1:46 pm PDT Mar 31, 2026
3pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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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