Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Partly Cloudy

39°F

4°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 15 Mar 03:10 AM PDT
Extended Forecast for

2 Miles NNE Lake Oswego OR

  • Overnight

    Overnight: Areas of frost after 5am.  Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Areas Frost

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 3pm.  Snow level 800 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 51. Light northeast wind.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm, then a slight chance of rain after 4am.  Mostly cloudy, with a low around 43. Calm wind.  Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Rain

  • Monday

    Monday: Partly sunny, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 49. South wind around 6 mph.

    Low: 49 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am.  Cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °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 61.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Sunday
A 30 percent chance of rain, mainly after 3pm. Snow level 800 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 51. Light northeast wind.
Sunday Night
A slight chance of rain before 11pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 49. South wind around 6 mph.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 60. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
Rain likely. Cloudy, with a high near 61.
Wednesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 52.
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 67.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48.
Saturday
A chance of rain. Mostly cloudy, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Oswego OR
 45.44°N 122.68°W (Elev. 200 ft)
2:41 am PDT Mar 15, 2026
3am 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