Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

37°F

3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Mar 02:20 AM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Overnight

    Overnight: Areas of frost between 3am and 4am.  Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Areas Frost

  • Sunday

    Sunday: A slight chance of rain and snow between 10am and 11am, then a chance of rain.  Snow level 600 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm, then a slight chance of rain after 4am.  Mostly cloudy, with a low around 41. Calm wind.  Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Increasing clouds, with a low around 47. Light south wind.

    Low: 47 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely.  Cloudy, with a high near 60.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Overnight
Areas of frost between 3am and 4am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Sunday
A slight chance of rain and snow between 10am and 11am, then a chance of rain. Snow level 600 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A slight chance of rain before 11pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Monday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 65. Calm wind.
Monday Night
A 20 percent chance of rain after 11pm. Increasing clouds, with a low around 47. Light south wind.
Tuesday
Rain likely. Cloudy, with a high near 59. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
Rain likely. Cloudy, with a high near 60.
Wednesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 50.
Thursday
Rain likely. Cloudy, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Mostly cloudy, with a high near 66.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Saturday
A chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
2:01 am PDT Mar 15, 2026
2am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

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