Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Rain

55°F

13°C

Humidity 87%
Wind Speed SSW 16 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Last update 13 Mar 04:20 PM PDT
Extended Forecast for

Hillsboro OR

Flood Watch March 13, 04:37pm until March 14, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 13, 04:37pm until March 14, 05:00pm

    NOW until 5:00pm Sat

    Flood Watch

  • This Afternoon

    High: 55 °F

    Rain

  • Tonight

    Tonight: Rain before 4am, then a chance of showers after 5am.  Snow level 7100 feet lowering to 1600 feet after midnight . Low around 37. South southwest wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am.  Snow level 500 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm.  Cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain after 11pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 55. South southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 4am, then a chance of showers after 5am. Snow level 7100 feet lowering to 1600 feet after midnight . Low around 37. South southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Mostly sunny, with a high near 51. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 11am. Snow level 500 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 50. Calm wind.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 42.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 63.
Monday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 44.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly cloudy, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
3:41 pm PDT Mar 13, 2026
4pm PDT Mar 13, 2026-6pm PDT Mar 20, 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