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Home Return to list Fire Weather Watch 0035 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-06-18 01:36:11 684 WWUS85 KBOU 180635 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 1235 AM MDT Thu Jun 18 2026 COZ211>214-217-218-182200- /O.NEW.KBOU.FW.A.0035.260620T1800Z-260621T0300Z/ 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- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- 1235 AM MDT Thu Jun 18 2026 ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN MOUNTAINS AND HIGH VALLEYS OF COLORADO... The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Saturday afternoon through Saturday evening. * AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 25 mph with gusts up to 35 to 45 mph. * RELATIVE HUMIDITY...As low as 11 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. && $$ Action: Continued Issued At: 2026-06-18 15:27:59 626 WWUS85 KBOU 182027 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 227 PM MDT Thu Jun 18 2026 COZ211>214-217-218-191200- /O.CON.KBOU.FW.A.0035.260620T1800Z-260621T0300Z/ Jackson County Below 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Grand and Summit Counties Below 9000 Feet- Central and Southeast Park County- West Jackson and West Grand Counties Above 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- 227 PM MDT Thu Jun 18 2026 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN MOUNTAINS AND HIGH VALLEYS OF COLORADO... * AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ Action: Continued Issued At: 2026-06-19 07:06:08 794 WWUS85 KBOU 191205 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 605 AM MDT Fri Jun 19 2026 COZ211>214-217-218-192015- /O.CON.KBOU.FW.A.0035.260620T1800Z-260621T0300Z/ 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- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- 605 AM MDT Fri Jun 19 2026 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN MOUNTAINS AND HIGH VALLEYS OF COLORADO... * AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 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. && $$ Action: Upgraded Issued At: 2026-06-19 12:29:47 992 WWUS85 KBOU 191729 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 1129 AM MDT Fri Jun 19 2026 COZ211>214-217-218-201200- /O.UPG.KBOU.FW.A.0035.260620T1800Z-260621T0300Z/ /O.NEW.KBOU.FW.W.0045.260620T1700Z-260621T0300Z/ Jackson County Below 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Grand and Summit Counties Below 9000 Feet- Central and Southeast Park County- West Jackson and West Grand Counties Above 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- 1129 AM MDT Fri Jun 19 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS AND MOUNTAIN VALLEYS... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 9 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From 11 AM to 9 PM MDT Saturday. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||