


Red Flag Warning
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
638 WWUS85 KTWC 170934 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 234 AM MST Sat May 17 2025 AZZ151>154-180000- /O.UPG.KTWC.FW.A.0013.250518T1700Z-250519T0300Z/ /O.NEW.KTWC.FW.W.0016.250518T1700Z-250519T0300Z/ /O.NEW.KTWC.FW.A.0014.250519T1700Z-250520T0300Z/ Arizona Fire Weather Zone 151 Western half Desert Grasslands FDRA including elevations up to 5500 feet in Southeast corner of Pinal County- Extreme Eastern Pima County-Western third of Cochise County- Santa Cruz County-TDC-Arizona Fire Weather Zone 152 Eastern half Desert Grasslands FDRA including elevations up to 5500 feet in Southwest Graham County and Eastern two thirds of Cochise County-Southern San Carlos Reservation- Southern Greenlee County below 5000 feet-TDC- Arizona Fire Weather Zone 153 Northern Graham County-Northern Greenlee County- White and Gila Mountains-Apache Sitgreaves NF- Southern San Carlos Reservation above 5000 feet-SDC- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 234 AM MST Sat May 17 2025 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST SUNDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND 154... ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND 154... The National Weather Service in Tucson has issued a Red Flag Warning for strong and gusty winds, low relative humidity, and high fire danger, which is in effect from 10 AM to 8 PM MST Sunday. A Fire Weather Watch has also been issued for Monday morning through Monday evening. * AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154. * TIMING...For the Red Flag Warning, from 10 AM to 8 PM MST Sunday. For the Fire Weather Watch, from Monday morning through Monday evening. * WINDS...West to southwest at 15 to 25 mph with gusts up to 40 mph on Sunday and west to northwest at 20 to 30 mph with gusts up to 45 mph on Monday. * RELATIVE HUMIDITY...Ranging 9 to 15 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson