Winter Storm Warning Issued for Siskiyou County: Up to Two Feet of Snow Expected Through Thursday

Source: NOAA · Northern California

This alert is no longer in effect.

NOAA issued it on April 6, 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 major winter storm is bringing heavy snow and high winds to Siskiyou County, with accumulations reaching up to 24 inches in higher elevations through Thursday morning.

Read this weather record in 30 seconds

Record type
Winter Storm Warning
Affected area
Northern California
Issued
April 6, 2026
Issuing authority
NWS Medford

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 Northern California.

Alert Details

The National Weather Service in Medford, Oregon, has issued a Winter Storm Warning for portions of Siskiyou County. This alert indicates that heavy snow and hazardous conditions are likely within the warning area, posing a significant risk to travelers.

Affected Areas

The warning covers North Central, Southeast, and South Central Siskiyou County. Specific locations impacted include Dunsmuir, McCloud, Mount Shasta, Bray, Pondosa, and Tennant. Notable travel corridors and high-elevation points affected include:

  • Black Butte Pass on I-5 (3,900 ft)
  • Snowmans Hill Summit on State Highway 89 (4,310 ft)
  • Dead Horse Summit on State Highway 89 (4,489 ft)
  • Mt. Shasta ski park highway (approx. 5,400 ft)
  • Grass Lake at Mt. Hebron (5,291 ft)
  • Bunny Flat on Everitt Memorial highway (6,900 ft)

What You Should Do

Residents and travelers are urged to avoid unnecessary travel as conditions may become very difficult to impossible. If travel is mandatory, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions, call 511 or visit quickmap.dot.ca.gov.

Expected Conditions

Heavy snow is the primary hazard, with total accumulations of 8 to 15 inches expected. Higher elevations above 4,500 feet could see between 1 and 2 feet of snow. Additionally, wind gusts as high as 40 mph are forecast over high and exposed terrain, which may further reduce visibility and complicate travel.

Timeline

The Winter Storm Warning is currently in effect and will remain active until 10:00 AM PST on Thursday, February 19. Hazardous conditions are expected to significantly impact the Monday evening and Tuesday morning commutes.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A major winter storm is bringing heavy snow and high winds to Siskiyou County, with accumulations reaching up to 24 inches in higher elevations through Thursday morning.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northern California. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.