Lake-Effect Snow Downwind of Lake Ontario; Cold Temperatures in the Across the Northern High Plains

Lake effect snow will continue downwind of Lake Ontario through Monday, potentially dropping up to a foot of snow. A few inches of snow is possible downwind of Lake Erie. Arctic high pressure will usher in well below normal temperatures across the northern High Plains today through Monday. Temperatures are expected to be 20-30 degrees below normal before moderating Tuesday. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

45°F

7°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 09 Feb 01:20 PM PST
Extended Forecast for

3 Miles WSW Cedar Hills OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog before 11pm, then patchy fog after midnight.  Otherwise, partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 42. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Northeast wind around 5 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39. Northeast wind around 6 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after 4am.  Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow and freezing rain before 10am, then a chance of rain or freezing rain.  Snow level 500 feet. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Wintry
    Mix

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 42. Calm wind.
Tonight
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, partly cloudy, with a low around 25. Calm wind.
Monday
Sunny, with a high near 42. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 22. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 39. Northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 24.
Thursday
A chance of snow and freezing rain before 10am, then a chance of rain or freezing rain. Snow level 500 feet. Mostly cloudy, with a high near 37.
Thursday Night
Rain likely, possibly mixed with freezing rain. Snow level 1300 feet. Mostly cloudy, with a low around 28.
Friday
A chance of rain or freezing rain. Snow level 1500 feet. Mostly cloudy, with a high near 41.
Friday Night
A chance of rain. Snow level 2100 feet. Mostly cloudy, with a low around 29.
Saturday
Rain likely. Snow level 2000 feet rising to 2800 feet in the afternoon. Mostly cloudy, with a high near 44.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Cedar Hills OR
 45.5°N 122.88°W (Elev. 200 ft)
12:42 pm PST Feb 9, 2025
1pm PST Feb 9, 2025-6pm PST Feb 15, 2025
 
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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