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

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 43°F (6°C)
Visibility 1.00 mi
Last update 14 Jan 02:35 PM PST
Extended Forecast for

4 Miles E Farmington OR

Air Stagnation Advisory January 14, 02:51pm until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 14, 02:51pm until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 48 °F

    Areas Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. North wind 3 to 5 mph.

    Low: 39 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 55. North wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 55 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. East northeast wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Northeast wind 11 to 13 mph, with gusts as high as 26 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Areas of dense fog. Otherwise, partly sunny, with a high near 48. Calm wind.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. North wind 3 to 5 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 55. North wind 7 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 39. East northeast wind 11 to 13 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 53. Northeast wind 11 to 13 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 33.
M.L.King Day
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
Last Update:
2:41 pm PST Jan 14, 2026
Forecast Valid:
2pm PST Jan 14, 2026-6pm PST Jan 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation