National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Rain

66°F

19°C

Humidity 55%
Wind Speed NNW 8 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 12 May 07:35 PM PDT
Extended Forecast for

Milwaukie OR

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then showers likely between 4am and 5am, then rain after 5am. Low around 52. South wind 3 to 8 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Rain before 11am, then a chance of showers between 11am and 3pm. High near 65. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Rain and
    Breezy then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68. South southwest wind around 6 mph.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then showers likely between 4am and 5am, then rain after 5am. Low around 52. South wind 3 to 8 mph. Chance of precipitation is 80%.
Wednesday
Rain before 11am, then a chance of showers between 11am and 3pm. High near 65. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 49. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 68. South southwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 47. West northwest wind 5 to 8 mph becoming calm in the evening.
Friday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 64.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milwaukie OR
 45.42°N 122.64°W (Elev. 200 ft)
Last Update:
7:42 pm PDT May 12, 2026
Forecast Valid:
7pm PDT May 12, 2026-6pm PDT May 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation