Portland, Oregon Weather Alert Sunday: Heavy Rain and Slick I-5 Roads Before Snow Chance Monday Night

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Winter weather road hazards cold slick snow
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Oregon – Wet pavement glistens across downtown Portland this morning as low clouds hang over the Willamette River. Occasional light showers drift through the metro area while commuters begin moving along Interstate 5 and Highway 26.

Temperatures sit near 52°F across the Portland metro early this morning under overcast skies. Moist Pacific air continues pushing inland, keeping the atmosphere damp and unsettled.

According to the National Weather Service in Portland, scattered showers will develop through the day. Afternoon temperatures should reach around 60°F, with occasional light rain continuing into the afternoon hours.

Drivers across the metro area should expect periodic slick roads, especially on bridges and elevated ramps along I-5, I-84, and Highway 26.

Clouds thicken tonight as the next Pacific system approaches. Showers may become more widespread late tonight with temperatures dropping into the mid-40s.

Sunday brings the wettest stretch of the pattern.

Steadier rain develops through the morning and continues into the afternoon across Portland and surrounding communities including Beaverton, Gresham, and Vancouver, Washington. Temperatures top out near 55°F with gusty southwest winds around 20 mph.

Residents should also remember the Daylight Saving Time change early Sunday morning at 2 a.m., when clocks jump forward one hour. Evenings will start staying noticeably brighter as spring approaches.

Meteorologists are now tracking colder air arriving early next week.

By Monday, precipitation may briefly mix with wet snow, especially during heavier bursts as temperatures drop toward 49°F. Snow levels could fall near 1,300 feet, mainly impacting higher terrain around the metro area.

Monday night into Tuesday keeps the unsettled pattern going with rain and occasional rain-snow mix possible.

Drivers traveling toward the Coast Range or Cascade foothills should monitor road conditions closely.

Have you seen rain or clearing skies where you are this morning around Portland?

Five Day Outlook – Portland, Oregon

Saturday: Chance of showers, high near 60°F.
Sunday: Rain likely, high near 55°F, low near 37°F.
Monday: Rain or rain-snow mix, high near 49°F, low near 35°F.
Tuesday: Rain and snow mix early then rain, high near 49°F, low near 39°F.
Wednesday: Rain likely, high near 54°F.