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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mostly Cloudy

62°F

17°C

Humidity 42%
Wind Speed ENE 10 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Oct 05:53 PM PDT
Extended Forecast for

North Plains OR

Frost Advisory October 12, 12:00am until October 12, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Columbus Day

    Columbus Day: Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind.

    High: 68 °F

    Areas Frost
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, clear, with a low around 35. Calm wind.
Columbus Day
Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind.
Monday Night
Mostly clear, with a low around 37. Calm wind.
Tuesday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 67. Calm wind.
Tuesday Night
Partly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 46.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 78.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 47.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 71.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Plains OR
 45.59°N 123°W (Elev. 184 ft)
Last Update:
5:41 pm PDT Oct 11, 2026
Forecast Valid:
6pm PDT Oct 11, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation