Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

43°F

6°C

Humidity 60%
Wind Speed ENE 9 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 15 Mar 07:00 AM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • Today

    Today: A slight chance of rain and snow between 9am and 11am, then a chance of rain.  Snow level 800 feet rising to 6800 feet in the afternoon. Mostly cloudy, with a high near 52. East northeast wind 6 to 10 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 11pm, then a slight chance of rain after 3am.  Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 66 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Partly cloudy, with a low around 49. Southwest wind 6 to 8 mph becoming south southeast in the evening.

    Low: 49 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 61. South wind 6 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely.  Cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Rain Likely

Detailed Forecast

Today
A slight chance of rain and snow between 9am and 11am, then a chance of rain. Snow level 800 feet rising to 6800 feet in the afternoon. Mostly cloudy, with a high near 52. East northeast wind 6 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A slight chance of rain before 11pm, then a slight chance of rain after 3am. Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 49. Southwest wind 6 to 8 mph becoming south southeast in the evening.
Tuesday
Rain likely. Mostly cloudy, with a high near 61. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
Rain likely. Cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 53.
Thursday
Rain likely. Mostly cloudy, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
A chance of rain. Mostly cloudy, with a high near 68.
Friday Night
A chance of rain. Mostly cloudy, with a low around 49.
Saturday
A chance of rain. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Troutdale OR
 45.58°N 122.31°W (Elev. 112 ft)
6:41 am PDT Mar 15, 2026
7am PDT Mar 15, 2026-6pm PDT Mar 21, 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