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

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Partly Cloudy

52°F

11°C

Humidity 57%
Wind Speed E 18 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 31 Mar 01:10 PM PDT
Extended Forecast for

3 Miles NE Troutdale OR

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Mostly cloudy, with a high near 55. East wind around 7 mph.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain.  Low around 44. East wind 5 to 7 mph becoming south in the evening.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm.  High near 53. Breezy, with an east southeast wind 9 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then rain after 8pm.  Low around 40. South southwest wind 11 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: Rain.  High near 55. West wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 55. East wind around 7 mph.
Tonight
Rain. Low around 44. East wind 5 to 7 mph becoming south in the evening. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 53. Breezy, with an east southeast wind 9 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 40. South southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain. High near 55. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Troutdale OR
 45.57°N 122.34°W (Elev. 135 ft)
12:41 pm PDT Mar 31, 2026
1pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database