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 International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Mostly Cloudy

52°F

11°C

Humidity 53%
Wind Speed ESE 14 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 31 Mar 04:20 PM PDT
Extended Forecast for

3 Miles ENE Portland International Airport OR

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Mostly cloudy, with a high near 54. East southeast wind around 6 mph.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: Rain.  Low around 43. East southeast wind 6 to 8 mph becoming south in the evening.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm.  High near 52. Southeast wind 10 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm.  Snow level 3300 feet lowering to 2200 feet after midnight . Low around 39. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers then
    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly after 11am.  Snow level 2200 feet rising to 3300 feet in the afternoon. Mostly cloudy, with a high near 54. West wind 7 to 9 mph.  Chance of precipitation is 70%.

    High: 54 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

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

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 54. East southeast wind around 6 mph.
Tonight
Rain. Low around 43. East southeast wind 6 to 8 mph becoming south in the evening. Chance of precipitation is 80%. 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 52. Southeast wind 10 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 25 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, mainly after 8pm. Snow level 3300 feet lowering to 2200 feet after midnight . Low around 39. South southwest wind 9 to 11 mph, with gusts as high as 21 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 likely, mainly after 11am. Snow level 2200 feet rising to 3300 feet in the afternoon. Mostly cloudy, with a high near 54. West wind 7 to 9 mph. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Portland International Airport OR
 45.61°N 122.54°W (Elev. 292 ft)
3:41 pm PDT Mar 31, 2026
4pm 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