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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Overcast

52°F

11°C

Humidity 87%
Wind Speed WNW 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Apr 09:35 PM PDT
Extended Forecast for

5 Miles S Scappoose Industrial Apk (1s4) OR

  • Tonight

    Tonight: A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 47. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly between 11am and 3pm. Partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 42. West wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then rain, mainly after 11am. High near 52. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 41. South southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 2000 feet. High near 53. Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of rain after 11pm. Snow level 2100 feet lowering to 1500 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Snow level 1500 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 47. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Showers likely, mainly between 11am and 3pm. Partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 42. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
A chance of showers before 8am, then rain, mainly after 11am. High near 52. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 41. South southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 2000 feet. High near 53. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of rain after 11pm. Snow level 2100 feet lowering to 1500 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Thursday
A chance of rain, mainly after 11am. Snow level 1500 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Scappoose Industrial Apk (1s4) OR
 45.69°N 122.87°W (Elev. 171 ft)
Last Update:
9:41 pm PDT Apr 12, 2026
Forecast Valid:
9pm PDT Apr 12, 2026-6pm PDT Apr 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