Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 30°F (-1°C)
Visibility 0.75 mi
Last update 28 Dec 02:00 AM PST
Extended Forecast for

3 Miles E Hillsboro OR

  • Overnight

    Overnight: Patchy fog before 3am, then patchy fog after 5am. Patchy frost.  Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Frost
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 45. Light north wind.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 4am.  Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am.  Otherwise, partly sunny, with a high near 47. Light north northeast wind.

    High: 47 °F

    Frost then
    Partly Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after 5am.  Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 32.

    Low: 32 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 9am.  Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Frost then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog before 3am, then patchy fog after 5am. Patchy frost. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 45. Light north wind.
Sunday Night
Widespread frost, mainly after 4am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Monday
Widespread frost, mainly before 9am. Otherwise, partly sunny, with a high near 47. Light north northeast wind.
Monday Night
Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Tuesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32.
Wednesday
Widespread frost, mainly before 9am. Otherwise, partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 34.
New Year's Day
A chance of rain after 10am. Cloudy, with a high near 48.
Thursday Night
Rain likely. Cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Friday Night
A chance of showers. Mostly cloudy, with a low around 36.
Saturday
A chance of showers. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Hillsboro OR
 45.52°N 122.85°W (Elev. 200 ft)
2:20 am PST Dec 28, 2025
2am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database