Winter Storm Warning Issued for San Juan Mountains: Heavy Snow and 70 MPH Gusts Expected

Source: NOAA · San Juan Mountains, Colorado

This alert is no longer in effect.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 Winter Storm Warning is in effect for the San Juan Mountains through Thursday morning, with up to 20 inches of snow and dangerous wind gusts forecast.

Read this weather record in 30 seconds

Record type
Winter Storm Warning
Affected area
San Juan Mountains, Colorado
Issued
April 6, 2026
Issuing authority
NWS Grand Junction CO

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 San Juan Mountains, Colorado.

Alert Details

The National Weather Service in Grand Junction has issued a Winter Storm Warning for the San Juan Mountains. The alert is effective from 11:00 PM MST on Monday, February 16, through 5:00 AM MST on Thursday, February 19.

Affected Areas

The warning covers the following geographic regions:

  • Northwestern San Juan Mountains
  • Southwest San Juan Mountains

What You Should Do

If you must travel, the National Weather Service advises keeping an extra flashlight, food, warm clothes, and water in your vehicle in case of an emergency. Residents can obtain the latest road conditions for their state by calling 5 1 1. Travel is expected to be very difficult to impossible during this window.

Expected Conditions

  • Snowfall: Heavy snow is expected with total accumulations between 10 and 20 inches. Locally higher amounts are possible.
  • Wind: Wind gusts are forecast to reach as high as 70 mph.
  • Visibility: Blowing snow may result in near zero visibility at times.
  • Impacts: The hazardous conditions are expected to impact the Tuesday morning and evening commutes. Strong winds may also cause tree damage.

Timeline

The warning begins at 11:00 PM MST this evening, February 16, and is scheduled to expire at 5:00 AM MST on Thursday, February 19.

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 Winter Storm Warning is in effect for the San Juan Mountains through Thursday morning, with up to 20 inches of snow and dangerous wind gusts forecast.
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 San Juan Mountains, Colorado. 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.