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

46°F

8°C

Humidity 65%
Wind Speed SSE 4 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 31 Mar 11:20 PM PDT
Extended Forecast for

Pasco WA

  • Tonight

    Tonight: A 30 percent chance of rain after 2am.  Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm.  High near 58. Calm wind becoming southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then a slight chance of rain after 2am.  Low around 38. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain then
    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 60. West wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 60 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 35 °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 36.

    Low: 36 °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 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 38. Calm wind.
Wednesday
Rain before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 58. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain before 11pm, then a slight chance of rain after 2am. Low around 38. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. 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 60. West wind 11 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 35. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
11:32 pm PDT Mar 31, 2026
11pm 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