Red Flag Warning Issued for Colorado Mountains and High Valleys

Source: NOAA · Colorado Mountains and High Valleys

This alert is no longer in effect.

NOAA issued it on July 16, 2026, 5 weeks 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.

NWS Denver has issued a Red Flag Warning for wind and low relative humidity in effect from noon to 8 PM MDT Wednesday across multiple fire weather zones.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Colorado Mountains and High Valleys
Issued
July 16, 2026
Issuing authority
NWS Denver CO

Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.

Record status: historical. It was issued 5 weeks ago; use the issuing agency's live warning service for current conditions in Colorado Mountains and High Valleys.

Alert Details

A Red Flag Warning has been issued by the National Weather Service in Denver for wind and low relative humidity. The alert is in effect from noon to 8 PM MDT Wednesday. The Fire Weather Watch is no longer in effect.

Affected Areas

Fire Weather Zones 211, 212, 213, 214, 217 and 218, covering Jackson County Below 9000 Feet; South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet; Grand and Summit Counties Below 9000 Feet; Central and Southeast Park County; West Jackson and West Grand Counties Above 9000 Feet; and South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet.

What You Should Do

Avoid outdoor burning and any activity that may produce a spark and start a wildfire. A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly.

Expected Conditions

Winds will be west 20 to 30 mph with gusts up to 50 mph, strongest for the higher elevations. Relative humidity will be as low as 10 percent. Conditions will be favorable for rapid fire spread.

Timeline

The warning is effective from 12:00 PM MDT on June 17, 2026, until 8:00 PM MDT on June 17, 2026.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Denver has issued a Red Flag Warning for wind and low relative humidity in effect from noon to 8 PM MDT Wednesday across multiple fire weather zones.
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 Colorado Mountains and High Valleys. 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.