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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

48°F

9°C

Humidity 46%
Wind Speed ESE 11 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 30 Dec 01:20 PM PST
Extended Forecast for

2 Miles WSW Hillsboro OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. Light east wind.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Frost

  • Wednesday

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

    High: 47 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%.

    High: 44 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 47. Light east wind.
Tonight
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 32. Calm wind.
Wednesday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 39. Chance of precipitation is 80%.
Friday
Rain. High near 48. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 41.
Saturday
Rain. Cloudy, with a high near 50.
Saturday Night
Rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 50.
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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:
1:41 pm PST Dec 30, 2025
Forecast Valid:
1pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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