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.

Overcast

55°F

13°C

Humidity 87%
Wind Speed S 16 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Mar 11:35 AM PDT
Extended Forecast for

5 Miles S Scappoose Industrial Apk (1s4) OR

Flood Watch March 13, 11:48am until March 14, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 13, 11:48am until March 14, 05:00pm

    NOW until 5:00pm Sat

    Flood Watch

  • Today

    High: 53 °F

    Rain

  • Tonight

    Tonight: Rain before 3am, then a chance of showers after 5am.  Snow level 6500 feet lowering to 1400 feet after midnight . Low around 38. Southwest wind around 7 mph becoming north northwest in the evening.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Northwest wind 5 to 7 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am.  Snow level 400 feet rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm.  Cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Today
Rain. High near 53. South southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain before 3am, then a chance of showers after 5am. Snow level 6500 feet lowering to 1400 feet after midnight . Low around 38. Southwest wind around 7 mph becoming north northwest in the evening. 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 50. Northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 35. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 30 percent chance of rain after 11am. Snow level 400 feet rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 43.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 61.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 46.
Tuesday
Rain likely. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
Basemap Options
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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)
11:41 am PDT Mar 13, 2026
11am PDT Mar 13, 2026-6pm PDT Mar 19, 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