Red Flag Warning Issued for Denver Metro and I-25 Urban Corridor Through Tuesday Evening

Alert Details

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity. This alert indicates that critical fire weather conditions are either occurring now or will develop shortly. The combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Affected Areas

The warning covers the I-25 Urban Corridor and surrounding regions, specifically including:

• Larimer County (below 6000 feet) and Northwest Weld County
• Boulder and Jefferson Counties (below 6000 feet) and West Broomfield County
• North Douglas County (below 6000 feet), Denver, West Adams, and Arapahoe Counties
• East Broomfield County
• Central and South Weld County

This impact area includes Fire Weather Zones 238, 239, 240, and 243.

What You Should Do

Residents in the affected areas are urged to avoid outdoor burning and any activity that may produce a spark and start a wildfire. Conditions will be favorable for rapid fire spread. Residents should prepare for potential fire hazards and monitor local conditions closely.

Expected Conditions

• Winds: West winds ranging from 10 to 20 mph, with gusts reaching up to 30 mph.
• Relative Humidity: Levels are expected to drop as low as 13 percent.
• Impacts: Critical fire weather conditions will facilitate the rapid spread of any fires that ignite.

Timeline

The Red Flag Warning is effective starting at 12:00 PM MDT today, March 10, 2026. The alert is scheduled to remain in effect until 7:00 PM MDT this evening.