45°6'N / 122°53'V / Høyde 55 m / 14:40 02.04.2026, America/Los_Angeles (UTC-7)
fra: 02.04.2026, 12:25
til: 02.04.2026, 17:00
* WHAT...Heavy snow showers. Additional snow accumulations up to 2 inches. * WHERE...Cascades of Lane County and Cascades of Marion and Linn Counties. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow will continue to ease through the afternoon with some locations receiving minimal to no additional snow.
Marion
Consider postponing travel until weather conditions improve.
If you must travel, be sure to slow down and allow extra time.
If your car becomes trapped in deep snow, be sure to keep your car
off to stay safe from potential carbon monoxide poisoning.
If you are using a generator, be sure to keep it outdoors and away
from windows and vents.
Be aware that walking surfaces may be slick. Walk with extra care.
Backcountry recreation is not advised.
NWS Portland OR
02.04.2026, 12:25
fra: 02.04.2026, 21:00
til: 03.04.2026, 01:00
* WHAT...Sub-freezing temperatures as low as 30 degrees F expected. * WHERE...South Willamette Valley, Upper Hood River Valley, Cascade Foothills of Marion and Linn Counties, and Lane County Cascade Foothills. * WHEN...From 9 PM this evening to 10 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is a 10% chance of temperatures as low as 27 degrees F in the rural portions of the southern Willamette Valley. Coldest period of night will be from 3 to 8 AM. Frost will accompany these cold temperatures which could harm sensitive outdoor vegetation.
MarionTo prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.NWS Portland OR02.04.2026, 12:46fra: 02.04.2026, 21:00
til: 03.04.2026, 01:00
* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Northern and Central Coast Range Valleys and Mountains of Oregon, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, Central Willamette Valley, Tualatin Valley, West Columbia River Gorge of Oregon above 500 ft, Clackamas County Cascade Foothills, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 9 PM this evening to 10 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Areas that remain shaded through the morning will see frost linger the longest.
East Central Willamette Valley,MarionTake steps now to protect tender outdoor plants from the cold.
Consider temporarily moving outdoor potted plants indoors if they
are sensitive to cold temperatures.
Consider temporarily covering sensitive plants with a lightweight
cotton fabric (i.e., bedsheets, thin blankets), as this will help
retain heat and provide frost protection for your plants.NWS Portland OR02.04.2026, 12:46