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

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

50°F

10°C

Humidity 76%
Wind Speed WNW 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 08 Apr 10:10 PM PDT
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: Clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Light north northeast wind.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Light north northeast wind.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Clear, with a low around 41. Calm wind.
Thursday
Sunny, with a high near 75. Light north northeast wind.
Thursday Night
Partly cloudy, with a low around 49. Light north northeast wind.
Friday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 71. Calm wind.
Friday Night
Showers likely, mainly after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 61. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 54.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 43.
Monday
A chance of rain, mainly after 11am. Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
Last Update:
10:41 pm PDT Apr 8, 2026
Forecast Valid:
10pm PDT Apr 8, 2026-6pm PDT Apr 15, 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