Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Mostly Cloudy

53°F

12°C

Humidity 60%
Wind Speed WSW 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 13 Apr 11:53 AM PDT
Extended Forecast for

Portland International Airport OR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 58. West southwest wind around 9 mph.  Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm.  Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming light and variable.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then rain, mainly after 10am.  High near 54. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance Rain
    then Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  Snow level 2000 feet. High near 52. West wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Snow level 2200 feet lowering to 1500 feet after midnight . Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers after 11am.  Snow level 1400 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 58. West southwest wind around 9 mph. Chance of precipitation is 60%.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming light and variable.
Tuesday
A slight chance of showers before 10am, then rain, mainly after 10am. High near 54. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 40. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Snow level 2000 feet. High near 52. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Snow level 2200 feet lowering to 1500 feet after midnight . Low around 36. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers after 11am. Snow level 1400 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.58°N 122.59°W (Elev. 200 ft)
11:41 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 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