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Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Partly Cloudy

42°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 42°F (6°C)
Visibility 8.00 mi
Last update 12 Jan 01:53 AM PST
Extended Forecast for

2 Miles S Hillsboro OR

Air Stagnation Advisory January 12, 02:09am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 02:09am until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Overnight

    Low: 38 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Areas of dense fog after 10pm. Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Areas Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before noon. Otherwise, partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 50.

    High: 50 °F

    Dense Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 56.

    High: 56 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Patchy fog before 3am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Monday
Partly sunny, with a high near 53. Calm wind.
Monday Night
Areas of dense fog after 10pm. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Tuesday
Areas of dense fog before noon. Otherwise, partly sunny, with a high near 52. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Wednesday
Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 50.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Hillsboro OR
 45.49°N 122.94°W (Elev. 200 ft)
Last Update:
1:46 am PST Jan 12, 2026
Forecast Valid:
2am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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