Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mostly Cloudy

34°F

1°C

Humidity 85%
Wind Speed NW 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 31 Mar 03:53 AM PDT
Extended Forecast for

3 Miles E Hillsboro OR

  • Today

    Today: A chance of rain before 2pm, then a chance of rain after 3pm.  Mostly cloudy, with a high near 57. Light and variable wind.  Chance of precipitation is 30%.

    High: 57 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 3am.  Increasing clouds, with a low around 43. Calm wind becoming south around 6 mph after midnight.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 5pm.  High near 54. South southeast wind 6 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 40. South wind 6 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: Showers likely.  Mostly cloudy, with a high near 57. Light and variable wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A chance of rain before 2pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 57. Light and variable wind. Chance of precipitation is 30%.
Tonight
Rain likely, mainly after 3am. Increasing clouds, with a low around 43. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, with thunderstorms also possible after 5pm. High near 54. South southeast wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 40. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely. Mostly cloudy, with a high near 57. Light and variable wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Hillsboro OR
 45.52°N 122.85°W (Elev. 200 ft)
3:41 am PDT Mar 31, 2026
4am PDT Mar 31, 2026-6pm PDT Apr 6, 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