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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

54°F

12°C

Humidity 93%
Wind Speed SW 8 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Apr 06:35 PM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Tonight

    Tonight: A chance of showers before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 57. Calm wind becoming west around 6 mph in the afternoon.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 40. West southwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then rain, mainly after 11am. High near 53. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °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: A 50 percent chance of rain, mainly before 11pm. Snow level 1800 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain
    then Slight
    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Snow level 1500 feet rising to 2900 feet in the afternoon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 57. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 40. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers before 8am, then rain, mainly after 11am. High near 53. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 40. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half 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
A 50 percent chance of rain, mainly before 11pm. Snow level 1800 feet. Mostly cloudy, with a low around 34.
Thursday
A chance of rain, mainly after 11am. Snow level 1500 feet rising to 2900 feet in the afternoon. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
Last Update:
6:41 pm PDT Apr 12, 2026
Forecast Valid:
6pm 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