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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Portland OR
401 AM PDT Wed Mar 19 2025

ORZ126>128-WAZ211-200015-
/O.CON.KPQR.WW.Y.0016.250320T0000Z-250321T0000Z/
North Oregon Cascades-Cascades of Marion and Linn Counties-
Cascades of Lane County-South Washington Cascades-
Including the cities of Indian Heaven Wilderness, Mt. St. Helens,
Lost Lake, Santiam Pass, Waldo Lake, Timothy Lake, McKenzie Pass,
Government Camp, Willamette Pass, Tombstone Summit, Bennett Pass,
Breitenbush Springs, Larch Mountain, and Santiam Junction
401 AM PDT Wed Mar 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM PDT THURSDAY...

* WHAT...Snow expected. Total snow accumulations up to 10 to 12
  inches. Up to 17 inches above 5500 feet. Winds gusting as high as
  35 mph.

* WHERE...South Washington Cascades and the Northern and Central
  Cascades of Oregon.

* WHEN...From 5 PM this afternoon to 5 PM PDT Thursday.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous.

* ADDITIONAL DETAILS...There is around a 20% chance that snow
  accumulation would exceed 12 inches at elevations above 4000 feet.
  For this scenario to occur, colder air would need to be present
  than what is forecast. This first system will be closely followed
  by a second frontal system so there may be minimal break between
  them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Have a winter emergency driving kit readily available. Common items
to include: flashlight, batteries, blankets, a shovel, water,
non-perishable food items, tire chains, etc.

Be aware that walking surfaces may be slick. Walk with extra care.

For the latest road conditions and chain restrictions in Oregon,
call 5 1 1, or visit: www.tripcheck.com.

For the latest road conditions and chain restrictions in Washington,
visit: wsdot.com/travel/real-time/map

&&

$$

For more information from the National Weather Service visit
www.weather.gov/portland

Picard

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
434 AM PDT Wed Mar 19 2025

ORZ027-028-200000-
/O.CON.KMFR.WW.Y.0014.250320T0000Z-250321T0000Z/
South Central Oregon Cascades-Siskiyou Mountains and Southern
Oregon Cascades-
Including the cities of Howard Prairie, Crescent Lake, Diamond
Lake, and Siskiyou Summit
434 AM PDT Wed Mar 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM PDT THURSDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 16
  inches with the highest totals in the Central Cascades and lower
  totals in the Siskiyou Mountains. Winds gusting as high as 40 mph
  over high and exposed terrain.

* WHERE...Elevations above 5000 feet in the southern Oregon Cascades
  and Siskiyou Mountains. This includes Crater and Diamond Lake,
  Lake of the Woods, Mt Ashland Ski Area as well as Highways 140,
  62, 138 and 230.

* WHEN...From 5 PM this afternoon to 5 PM PDT Thursday.

* IMPACTS...Travel could be difficult during the winter event.

* ADDITIONAL DETAILS...This is the first of two systems. The second
  system on Friday will also produce impactful weather for the
  higher terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 511 or visit
tripcheck.com for road information.

&&

$$

TD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
313 AM PDT Wed Mar 19 2025

ORZ509-200000-
/O.CON.KPDT.WW.Y.0020.250320T0000Z-250321T0600Z/
East Slopes of the Oregon Cascades-
Including the cities of Sisters, La Pine, Sunriver, and Camp
Sherman
313 AM PDT Wed Mar 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 11 PM PDT THURSDAY ABOVE 4000 FEET...

* WHAT...Snow expected. Total snow accumulations of 6 to 9 inches
  above 4000 feet along the Cascade crest. Winds gusting as high as
  45 mph.

* WHERE...East Slopes of the Oregon Cascades.

* WHEN...From 5 PM this afternoon to 11 PM PDT Thursday.

* IMPACTS...Periods of moderate and heavy snow will combine with low
  visibilities to create difficult driving conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by visiting tripcheck.com online, or by
calling 5 1 1.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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