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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 26 Mar 01:35 AM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Overnight

    Overnight: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Frost

  • Thursday

    Thursday: Patchy fog before 8am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Frost and
    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 2am. Otherwise, increasing clouds, with a low around 35. North northeast wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, partly sunny, with a high near 63. Calm wind becoming north around 6 mph in the afternoon.

    High: 63 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Calm wind.
Thursday
Patchy fog before 8am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.
Thursday Night
Areas of frost after 2am. Otherwise, increasing clouds, with a low around 35. North northeast wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 63. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
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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 am PDT Mar 26, 2026
Forecast Valid:
1am PDT Mar 26, 2026-6pm PDT Apr 1, 2026
 
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Additional Resources

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