Winter Storm Warning for East Slopes of the Oregon Cascades
This alert is no longer in effect.
NOAA issued it on April 13, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Winter Storm Warning has been issued by NWS Pendleton OR for the East Slopes of the Oregon Cascades, with heavy snow and winds up to 45 mph expected from Tuesday evening through Thursday morning.
Read this weather record in 30 seconds
- Record type
- Winter Storm Warning
- Affected area
- East Slopes of the Oregon Cascades
- Issued
- April 13, 2026
- Issuing authority
- NWS Pendleton OR
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in East Slopes of the Oregon Cascades.
Alert Details
A Winter Storm Warning has been issued by the National Weather Service (NWS) Pendleton OR. It is an NWS alert with the event code WSW, effective as of April 13, 2026, at 10:53 AM PDT.
Affected Areas
The warning affects the East Slopes of the Oregon Cascades, specifically above 4000 feet. Lighter snowfall is forecast below 4000 feet along US 97, US 26, and US 20.
What You Should Do
Consider delaying all travel. If travel is absolutely necessary, drive with extreme caution and take a winter storm kit including items such as tire chains, booster cables, flashlight, shovel, blankets, extra clothing, water, a first aid kit, and anything else to help survive if stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines.
Expected Conditions
Heavy snow is expected with total accumulations of 6 to 12 inches above 4000 feet, heaviest along the Cascade crest. Winds gusting as high as 45 mph. Significant snowfall with periods of heavy rates will cause low visibility and difficult driving conditions. Gusty winds could bring down tree branches. Lighter snowfall is forecast below 4000 feet along specified routes.
Timeline
The warning is in effect from 5 PM PDT on Tuesday, April 14, 2026, to 5 AM PDT on Thursday, April 16, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,431 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 13, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.