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 57%
Wind Speed S 4 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 31 Mar 08:30 PM PDT
Extended Forecast for

Wallula WA

  • Tonight

    Tonight: Rain likely, mainly after 5am.  Mostly cloudy, with a low around 44. South wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain, mainly after 2pm.  High near 56. South wind 5 to 8 mph becoming east in the morning.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 41. Southwest wind 10 to 20 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain then
    Slight Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain after 11am.  Partly sunny, with a high near 54. Breezy, with a west wind 17 to 23 mph, with gusts as high as 30 mph.

    High: 54 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Southwest wind 14 to 16 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Mostly cloudy, with a low around 44. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 2pm. High near 56. South wind 5 to 8 mph becoming east in the morning. 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 41. Southwest wind 10 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of rain after 11am. Partly sunny, with a high near 54. Breezy, with a west wind 17 to 23 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 41. Southwest wind 14 to 16 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
8:01 pm PDT Mar 31, 2026
8pm 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