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.

Mostly Cloudy

40°F

4°C

Humidity 73%
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 02:53 AM PDT
Extended Forecast for

Portland International Airport OR

  • Overnight

    Overnight: Areas of frost before 4am.  Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Areas Frost

  • Sunday

    Sunday: A slight chance of rain and snow between 10am and 11am, then a chance of rain.  Snow level 700 feet rising to 6500 feet in the afternoon. Mostly cloudy, with a high near 52. Calm wind becoming east northeast around 5 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then 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: A 20 percent chance of rain.  Partly sunny, with a high near 66. Calm wind becoming south around 6 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 48. South wind around 6 mph.

    Low: 48 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am.  Cloudy, with a high near 61. Chance of precipitation is 60%.

    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 61.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Overnight
Areas of frost before 4am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Sunday
A slight chance of rain and snow between 10am and 11am, then a chance of rain. Snow level 700 feet rising to 6500 feet in the afternoon. Mostly cloudy, with a high near 52. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
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
A 20 percent chance of rain. Partly sunny, with a high near 66. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. South wind around 6 mph.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 61. 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 51.
Thursday
Rain likely. Cloudy, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 51.
Friday
A chance of rain. Mostly cloudy, with a high near 68.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Saturday
A chance of rain. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.58°N 122.59°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

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Hourly Weather Forecast

National Digital Forecast Database