Weather in Firestone

Fire Weather Watch issued May 13 at 5:53AM MDT until May 14 at 9:00PM MDT by NWS Denver CO

Areas: Jackson County Below 9000 Feet; Larimer County Below 6000 Feet/Northwest Weld County; Northeast Weld County; Logan County; Sedgwick County; Phillips County

13/05/2026, 05:53:00 → 13/05/2026, 15:30:00

* AFFECTED AREA...Fire Weather Zones 211, 238, 242, 248, 250 and 251. * TIMING...From Thursday morning through Thursday evening. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...9-12%. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.

Red Flag Warning issued May 13 at 11:43AM MDT until May 14 at 9:00PM MDT by NWS Denver CO

Areas: Larimer County Below 6000 Feet/Northwest Weld County; Northeast Weld County; Logan County; Sedgwick County; Phillips County

13/05/2026, 11:43:00 → 14/05/2026, 06:00:00

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 9 PM MDT Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 242, 248, 250 and 251. * TIMING...From 11 AM to 9 PM MDT Thursday. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.