Winter Storm Warning for Northern Colorado Mountains
This alert is no longer in effect.
NOAA issued it on May 13, 2026, 3 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 for parts of northern Colorado, including Rocky Mountain National Park, with heavy snow accumulations up to 24 inches expected from May 5 to May 6.
Read this weather record in 30 seconds
- Record type
- Winter Storm Warning
- Affected area
- Northern Colorado Mountains
- Issued
- May 13, 2026
- Issuing authority
- NWS Denver 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 3 months ago; use the issuing agency's live warning service for current conditions in Northern Colorado Mountains.
Alert Details
A Winter Storm Warning has been issued by NWS Denver CO. It is effective from May 4, 2026, at 12:51 AM MDT.
Affected Areas
The warning affects South and East Jackson, Larimer, North and Northeast Grand, and Northwest Boulder Counties above 9000 feet; Larimer and Boulder Counties between 6000 and 9000 feet. Specific areas include Rocky Mountain National Park, the Medicine Bow Range, the northern Front Range foothills, Red Feather Lakes, Estes Park, and Nederland in Colorado.
What You Should Do
If you must travel, keep an extra flashlight, food, and water in your vehicle. Obtain the latest road conditions for Colorado by calling 511 or visiting www.cotrip.org.
Expected Conditions
Heavy snow is expected with total accumulations between 10 and 24 inches, heaviest above 8,000 feet. Heavy snow may accumulate on tree branches and powerlines, possibly causing them to break and lead to power outages. Travel could be very difficult to impossible at times, especially late Tuesday.
Timeline
The warning is effective from midnight on May 5, 2026, to 3:00 PM MDT on May 6, 2026. Heaviest snow is expected Tuesday morning through Tuesday night.
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 (1,177 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 13, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.