Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Flagstaff AZ
122 AM MST Sun May 17 2026
AZZ104>106-109>114-116-117-139-140-180300-
/O.CON.KFGZ.FW.W.0004.260517T1800Z-260518T0300Z/
Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country-
Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley-
Chuska Mountains and Defiance Plateau-Little Colorado River
Valley in Coconino County-Little Colorado River Valley in Navajo
County-Little Colorado River Valley in Apache County-Eastern
Mogollon Rim-White Mountains-Black Mesa Area-Northeast Plateaus
and Mesas South of Hwy 264-
122 AM MST Sun May 17 2026 /222 AM MDT Sun May 17 2026/
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST /NOON MDT/ THIS
MORNING TO 8 PM MST /9 PM MDT/ THIS EVENING...
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph and
relative humidity between 8 and 16 percent.
* WHERE...Navajo Nation in Arizona, Little Colorado River Valley,
Kaibab Plateau, Marble and Glen Canyons, Grand Canyon Country,
Eastern Mogollon Rim, and White Mountains. This includes portions
of the Apache-Sitgreaves, Coconino, and Kaibab national forests.
* WHEN...From 11 AM MST /noon MDT/ this morning to 8 PM MST /9 PM
MDT/ this evening.
* IMPACTS...Rapid spread and growth of any new or existing fires.
Fires will have the potential to exhibit extreme fire behavior.
Elevated potential for new fire starts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do your part: No open flames or sparks, keep vehicles off of dry
grass, properly dispose of cigarette butts, and avoid power equipment
that creates sparks. One less spark, one less wildfire.
Obey all fire restrictions. To view a map of current fire
restrictions, go to wildlandfire.az.gov/fire-restrictions.
A red flag warning is issued when we identify weather conditions that
promote rapid spread of fire which may become life-threatening. This
does not mean there is a fire. These conditions are either occurring
now or will begin soon. It is important to have multiple ways to
receive information from authorities.
Please advise the appropriate officials or fire crews in the field of
this Red Flag Warning.
&&
$$
Humphreys
URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
136 PM MST Sun May 17 2026
AZZ151>154-180600-
/O.CON.KTWC.FW.W.0005.000000T0000Z-260518T0600Z/
Arizona Fire Weather Zone 151
Western half Desert Grasslands FDRA including elevations up to
5500 feet in Southeast corner of Pinal County-
Extreme Eastern Pima County-Western third of Cochise County-
Santa Cruz County-TDC-Arizona Fire Weather Zone 152
Eastern half Desert Grasslands FDRA including elevations up to
5500 feet in Southwest Graham County and Eastern two thirds of
Cochise County-Southern San Carlos Reservation-
Southern Greenlee County below 5000 feet-TDC-
Arizona Fire Weather Zone 153
Northern Graham County-Northern Greenlee County-
White and Gila Mountains-Apache Sitgreaves NF-
Southern San Carlos Reservation above 5000 feet-SDC-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
136 PM MST Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND 154...
* AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154.
* TIMING...Until 11 PM MST this evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...7 to 10 percent.
* IMPACTS...Any fires that develop or are ongoing will have the
potential to spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are expected to develop. A
combination of strong winds...low relative humidity...and dry
vegetation will create the potential for rapid and erratic fire
growth.
Please advise the appropriate officials or fire crews in the
field of the Red Flag Warning for portions of Southeast Arizona.
&&
$$
Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
URGENT - FIRE WEATHER MESSAGE
National Weather Service Phoenix AZ
1246 PM MST Sun May 17 2026
AZZ133-180600-
/O.CON.KPSR.FW.W.0001.000000T0000Z-260518T0600Z/
Southern Gila County/Tonto National Forest Foothills-
1246 PM MST Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING FOR STRONG WINDS, LOW RELATIVE HUMIDITY, AND HIGH FIRE
DANGER FOR SOUTHERN GILA COUNTY AND TONTO NATIONAL FOREST...
* AFFECTED AREA...Southern Gila County/Tonto National Forest
Foothills.
* TIMING...In effect until 11 PM Sunday evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Fuels are very dry and fire danger is high. These
conditions combined with low relative humidity and strong
winds will lead to widespread hazardous fire weather
conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials and fire crews in the
field of this red flag warning.
&&
$$
National Weather Service Phoenix is on the internet at
weather.gov/phoenix
URGENT - FIRE WEATHER MESSAGE
National Weather Service Albuquerque NM
1206 PM MDT Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT TODAY
DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR PARTS OF WESTERN,
MUCH OF CENTRAL, AND ALL EASTERN NEW MEXICO...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM MDT MONDAY DUE TO
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHWESTERN, MUCH OF
CENTRAL, AND ALL OF EASTERN NEW MEXICO...
.After a morning of very poor humidity recovery, humidity values
will plummet even lower this afternoon. Winds will continue to
increase through the mid to late afternoon with gusts of 35 to 45
mph being common, setting the stage for critical to extreme fire
behavior. Winds will decrease some around sunset, but will still
remain breezy, if not locally windy, in several locations overnight.
This will be coupled with another night of poor humidity recovery.
Another round of critical to extreme fire weather conditions is then
expected across southwest, central and eastern New Mexico through
the day Monday with even stronger wind gusts of 50 to 60 mph across
eastern New Mexico. Several hours of single digit humidity values
are expected across east central and southeast New Mexico again
Monday afternoon.
NMZ105-180300-
/O.CON.KABQ.FW.W.0037.000000T0000Z-260518T0300Z/
West Central Mountains-
1206 PM MDT Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
* AFFECTED AREA...West Central Mountains (Zone 105).
* TIMING...Until 9 PM MDT this evening.
* 20 FOOT WINDS...Southwest winds 10 to 20 mph with gusts up to 40
mph.
* RELATIVE HUMIDITY...Relative Humidity between 8 to 15 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in the field
of this Red Flag Warning.
&&
$$
Shoemake
URGENT - FIRE WEATHER MESSAGE
National Weather Service Albuquerque NM
1206 PM MDT Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT TODAY
DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR PARTS OF WESTERN,
MUCH OF CENTRAL, AND ALL EASTERN NEW MEXICO...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM MDT MONDAY DUE TO
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHWESTERN, MUCH OF
CENTRAL, AND ALL OF EASTERN NEW MEXICO...
.After a morning of very poor humidity recovery, humidity values
will plummet even lower this afternoon. Winds will continue to
increase through the mid to late afternoon with gusts of 35 to 45
mph being common, setting the stage for critical to extreme fire
behavior. Winds will decrease some around sunset, but will still
remain breezy, if not locally windy, in several locations overnight.
This will be coupled with another night of poor humidity recovery.
Another round of critical to extreme fire weather conditions is then
expected across southwest, central and eastern New Mexico through
the day Monday with even stronger wind gusts of 50 to 60 mph across
eastern New Mexico. Several hours of single digit humidity values
are expected across east central and southeast New Mexico again
Monday afternoon.
NMZ104-106-109-121-123>126-180300-
/O.UPG.KABQ.FW.A.0037.260518T1500Z-260519T0300Z/
/O.NEW.KABQ.FW.W.0038.260518T1500Z-260519T0300Z/
/O.CON.KABQ.FW.W.0037.000000T0000Z-260518T0300Z/
Northeast Plains-Middle Rio Grande Valley-West Central Basin and
Range-Upper Rio Grande Valley and Lower Chama River Valley-
Northeast Highlands-Sandia and Manzano Mountains-Central
Highlands-East Central Plains-
1206 PM MDT Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM MDT MONDAY...
The National Weather Service in Albuquerque NM has issued a Red Flag
Warning in effect from 9 AM to 9 PM MDT Monday.
* AFFECTED AREA...Northeast Plains (Zone 104), Middle Rio Grande
Valley (Zone 106), West Central Basin and Range (Zone 109), Upper
Rio Grande Valley and Lower Chama River Valley (Zone 121),
Northeast Highlands (Zone 123), Sandia and Manzano Mountains (Zone
124), Central Highlands (Zone 125), and East Central Plains (Zone
126).
* TIMING...For the first Red Flag Warning, until 9 PM MDT this
evening. For the second Red Flag Warning, from 9 AM to 9 PM MDT
Monday.
* 20 FOOT WINDS...For the first Red Flag Warning southwest winds 15
to 25 mph with gusts up to 40 mph, and for the second Red Flag
Warning southwest winds 20 to 35 mph with gusts up to 50 mph.
* RELATIVE HUMIDITY...For the first Red Flag Warning Relative
Humidity between 5 to 12 percent, and for the second Red Flag
Warning Relative Humidity between 7 to 15 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in the field
of this Red Flag Warning.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service El Paso Tx/Santa Teresa NM
1203 PM MDT Sun May 17 2026
...CRITICAL FIRE WEATHER CONDITIONS FOR TODAY AND MONDAY...
.An upper level trough carving out over the Central Rockies will
bring increasing southwest winds to the region over the next
couple of days, while Relative Humidity values remain very low,
and fuels remain critically dry. Winds will continue to increase
through the afternoon, topping out at 20 to 25 MPH with gusts as
high as 40 MPH. Winds will stay elevated overnight tonight for
east and north-facing slopes, but with some variability and
lighter periods, and will increase again for Monday, once again
topping out around 20 to 25 MPH, with gusts around 45 mph. In
some areas, winds will be strongest in the mid to late morning
hours.
NMZ110>112-TXZ055-180600-
/O.UPG.KEPZ.FW.A.0010.260518T1800Z-260519T0400Z/
/O.NEW.KEPZ.FW.W.0014.260518T1500Z-260519T0200Z/
/O.CON.KEPZ.FW.W.0013.000000T0000Z-260518T0600Z/
Southwest Mountains/Gila NF/Apache NF/GLZ-
Southwest Deserts and Lowlands/Las Cruces BLM/GLZ-
South Central Lowlands and Southern Rio Grande Valley/BLM/GLZ-
Texas Fire Weather Zone 055
El Paso County-
1203 PM MDT Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR STRONG WINDS AND LOW HUMIDITY FOR SOUTHWEST AND SOUTH-CENTRAL
NEW MEXICO AND EL PASO COUNTY IN TEXAS...
...RED FLAG WARNING NOW IN EFFECT MONDAY FROM 9 AM UNTIL 8 PM FOR
STRONG WINDS AND LOW HUMIDITY FOR SOUTHWEST AND SOUTH-CENTRAL NEW
MEXICO AND EL PASO COUNTY IN TEXAS...
This upgrades the Fire Weather Watch previously in effect for
Monday.
* AFFECTED AREA...Southwest and south central New Mexico,
including the Gila Region and the lowlands. Also, El Paso County
in Texas. This includes New Mexico Fire Weather Zones 110, 111,
and 112, and Texas Fire Weather Zone 055.
* TIMING...Red Flag Warning on Sunday through Midnight Sunday
night. Another Red Flag Warning is in effect Monday from 9 AM
until 8 PM.
* WINDS...Southwest 20 to 25 mph with gusts up to 40 mph on Sunday
afternoon, tapering off in most areas after dark. Winds will
return with similar speeds Monday morning and early afternoon,
then taper off to gusts around 30 mph Monday evening.
* RELATIVE HUMIDITY...5 to 8 percent in the lowlands below 6000
feet, and 7 to 12 percent in higher elevations, both Sunday and
Monday.
* EXPERIMENTAL RFTI...4 to 6.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1104 AM MDT Sun May 17 2026
UTZ497-498-180300-
/O.CON.KSLC.FW.W.0002.000000T0000Z-260518T0300Z/
Mojave Desert-Grand Staircase-
1104 AM MDT Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 497 AND
498...
* AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire
Weather Zone 498 Grand Staircase.
* WINDS...West 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/saltlakecity
URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
1259 AM PDT Sun May 17 2026
AZZ102-180300-
/O.CON.KVEF.FW.W.0001.000000T0000Z-260518T0300Z/
Northwest Deserts/Northwest Plateau-
1259 AM MST Sun May 17 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 102 IN
ARIZONA...
* AFFECTED AREA...In AZZ102...Fire weather zone 102.
* TIMING...Until 8 PM MST.
* WIND...Southwest 15 to 25 mph with gusts up to 45 mph.
* HUMIDITY...10 to 20 percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
SM
$$
