Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

43°F

6°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 09 Apr 07:35 AM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Today

    Today: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am.  Partly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers likely after 11pm.  Mostly cloudy, with a low around 49. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm.  Patchy fog before 10am. High near 63. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 11am.  Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain before 11pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: A chance of rain, mainly after 11am.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 74. Light and variable wind.
Tonight
Partly cloudy, with a low around 49. Calm wind.
Friday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 70. Calm wind.
Friday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. High near 63. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 44.
Monday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 57.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 57.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
Rain likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
7:41 am PDT Apr 9, 2026
7am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database