WWUS85 KBOU 231133 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 533 AM MDT Thu Apr 23 2026 COZ214-247-231945- /O.CON.KBOU.FW.W.0038.260423T1700Z-260424T0100Z/ /O.CON.KBOU.FW.A.0029.260424T1700Z-260425T0300Z/ Central and Southeast Park County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 533 AM MDT Thu Apr 23 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK AND SOUTHERN LINCOLN COUNTY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK AND SOUTHERN LINCOLN COUNTY... * AFFECTED AREA...Fire Weather Zones 214 and 247. * TIMING...For the Red Flag Warning, from 11 AM this morning to 7 PM MDT this evening. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. For Friday west 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 7 percent today and again on Friday. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ COZ216-238>246-249-231945- /O.EXA.KBOU.FW.A.0029.260424T1700Z-260425T0300Z/ /O.CON.KBOU.FW.W.0038.260423T1700Z-260424T0100Z/ Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Elbert/Central and East Douglas Counties Above 6000 Feet- Northeast Weld County-Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties- North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Washington County- 533 AM MDT Thu Apr 23 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF THE PLAINS, PALMER DIVIDE AND SOUTHERN FOOTHILLS... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FOOTHILLS, PALMER DIVIDE AND PORTIONS OF THE PLAINS... The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire Weather Zones 216, 238, 239, 240, 241, 242, 243, 244, 245, 246 and 249. * TIMING...For the Red Flag Warning, from 11 AM this morning to 7 PM MDT this evening. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph today. On Friday west 15 to 25 mph with gusts to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent today. As low as 7 percent on Friday. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ COZ248-250-251-231945- /O.CON.KBOU.FW.W.0038.260423T1700Z-260424T0100Z/ Logan County-Sedgwick County-Phillips County- 533 AM MDT Thu Apr 23 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FAR NORTHEAST PLAINS... * AFFECTED AREA...Fire Weather Zones 248, 250 and 251. * TIMING...From 11 AM this morning to 7 PM MDT this evening. * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 13 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ215-231945- /O.EXA.KBOU.FW.A.0029.260424T1700Z-260425T0300Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- 533 AM MDT Thu Apr 23 2026 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN FOOTHILLS... The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire Weather Zone 215. * TIMING...From Friday morning through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$