Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

48°F

9°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Last update 20 Mar 03:53 AM PDT
Extended Forecast for

5 Miles S Scappoose Industrial Apk (1s4) OR

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 5am.  Mostly cloudy, with a low around 52. Light south wind.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 3pm.  Mostly cloudy, with a high near 62. Light and variable wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 62 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 42. North northwest wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am.  Snow level 1700 feet rising to 2400 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 6 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 35. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am.  Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 52. Light south wind.
Friday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 62. Light and variable wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. North northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of rain before 11am. Snow level 1700 feet rising to 2400 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 6 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 57.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Snow level 3300 feet lowering to 1900 feet after midnight . Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Scappoose Industrial Apk (1s4) OR
 45.69°N 122.87°W (Elev. 171 ft)
3:41 am PDT Mar 20, 2026
4am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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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