408
FNUS55 KTWC 050950
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
250 AM MST THU MAR 5 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
MST THIS EVENING...
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
A DRY COLD FRONT WILL BE PASSING THROUGH THE
REGION TODAY, BRINGING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS
AND CRITICAL FIRE WEATHER CONDITIONS FOR AREAS SOUTH AND EAST OF
TUCSON. WINDS WILL BE SOUTHWESTERLY TO WESTERLY IN THE AFTERNOON
WITH SPEEDS 15 TO 25 MPH AND GUSTS UP TO 35 MPH. MOUNTAINS WILL
SEE STRONGER GUSTS UP TO 40 MPH. WINDS WILL PEAK IN STRENGTH
AROUND 1800 TO 1900 HOURS. WINDS WILL REDUCE SLOWLY TO LESS THAN
15 MPH THROUGH THE LATE EVENING. MIN RHS WILL BE 9 TO 15 PERCENT.
A RED FLAG WARNING IS IN EFFECT FOR THE AREAS SOUTH OF INTERSTATE
10...THE SOUTHEASTERN PORTION OF ARIZONA. BY THE WEEKDEND, MOISTURE
WILL BE RETURNING TO THE REGION, PROVIDING DAILY CHANCES FOR
LIGHT RAIN SHOWERS.
AZZ150-052330-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
250 AM MST THU MAR 5 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT) THEN BECOMING
MOSTLY SUNNY (20-30 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........72 TO 82 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............10 TO 18 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 20 TO 25 MPH.
* MIXING HEIGHT............9317 FT AGL.
* TRANSPORT WINDS..........SOUTH 10 KNOTS INCREASING TO WEST 21
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (195657 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........37 TO 47 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MAX HUMIDITY.............25 TO 35 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 20 MPH DECREASING TO
AROUND 10 MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........WEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MIN HUMIDITY.............8 TO 14 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING NORTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST 25 TO 30 MPH.
* MIXING HEIGHT............7287 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 10 TO 15 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (109305 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 38 TO 48. HIGHS 69 TO 79. LIGHT
WINDS. MINIMUM HUMIDITY 9 TO 15 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 45 TO 55. HIGHS 73 TO 83. SOUTHEAST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 20 TO 30 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 45 TO 55. HIGHS 64 TO 74. LIGHT WINDS.
MINIMUM HUMIDITY 38 TO 48 PCT.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 43 TO 53.
HIGHS 68 TO 78.
WEDNESDAY
CLEAR. LOWS 44 TO 54. HIGHS 75 TO 85.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-052330-
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-
250 AM MST THU MAR 5 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
MST THIS EVENING...
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........68 TO 78 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............10 TO 20 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 15 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............7269 FT AGL.
* TRANSPORT WINDS..........SOUTH 13 KNOTS INCREASING TO SOUTHWEST
23 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (167187 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........31 TO 41 DEGS.
24 HR TREND...........DOWN 7 TO 11 DEGS.
* MAX HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 15 TO 20 MPH.
* 10000 FT MSL WIND........WEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MIN HUMIDITY.............8 TO 16 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 15 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........NORTHWEST AROUND 30 MPH BECOMING WEST
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............7217 FT AGL.
* TRANSPORT WINDS..........WEST 8 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (122689 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 33 TO
43. HIGHS 64 TO 74. SOUTHEAST WIND AROUND 15 MPH. MINIMUM
HUMIDITY 10 TO 20 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 41 TO 51. HIGHS 67 TO 77. SOUTHEAST WIND
AROUND 20 MPH. MINIMUM HUMIDITY 22 TO 32 PCT.
MONDAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS
41 TO 51. HIGHS 60 TO 70. SOUTH WIND AROUND 15 MPH. MINIMUM
HUMIDITY 41 TO 51 PCT.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 37 TO
47. HIGHS 61 TO 71.
WEDNESDAY
CLEAR. LOWS 39 TO 49. HIGHS 69 TO 79.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-052330-
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-
250 AM MST THU MAR 5 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
MST THIS EVENING...
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........68 TO 78 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............11 TO 21 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH INCREASING TO
SOUTHWEST AROUND 20 MPH IN THE
AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............9391 FT AGL.
* TRANSPORT WINDS..........SOUTH 13 KNOTS INCREASING TO SOUTHWEST
25 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (234775 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........32 TO 42 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MAX HUMIDITY.............33 TO 43 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. WEST AROUND 25 MPH DECREASING TO
AROUND 15 MPH AFTER MIDNIGHT.
* 10000 FT MSL WIND........WEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MIN HUMIDITY.............8 TO 18 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 20 TO 25 MPH.
* MIXING HEIGHT............7221 FT AGL.
* TRANSPORT WINDS..........WEST 11 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (137199 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 32 TO
42. HIGHS 64 TO 74. EAST WIND AROUND 15 MPH. MINIMUM HUMIDITY
12 TO 20 PCT.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 41 TO 51.
HIGHS 66 TO 76. EAST WIND AROUND 25 MPH. MINIMUM HUMIDITY 22 TO
32 PCT.
MONDAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS
42 TO 52. HIGHS 62 TO 72. SOUTH WIND AROUND 15 MPH. MINIMUM
HUMIDITY 37 TO 47 PCT.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 37 TO
47. HIGHS 61 TO 71.
WEDNESDAY
CLEAR. LOWS 38 TO 48. HIGHS 69 TO 79.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-052330-
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-
250 AM MST THU MAR 5 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........56 TO 66 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............14 TO 23 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH INCREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 25 TO 30 MPH.
* MIXING HEIGHT............7245 FT AGL.
* TRANSPORT WINDS..........WEST 17 TO 26 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (188370 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........25 TO 35 DEGS.
24 HR TREND...........DOWN 7 TO 11 DEGS.
* MAX HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 15 TO 20 MPH.
* 10000 FT MSL WIND........WEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MIN HUMIDITY.............10 TO 18 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST AROUND 10 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 20 TO 25 MPH.
* MIXING HEIGHT............7927 FT AGL.
* TRANSPORT WINDS..........WEST 14 TO 20 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (158540 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. LOWS 27 TO 37. HIGHS 53 TO 63. EAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 14 TO 22 PCT.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO 44.
HIGHS 57 TO 67. EAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 22 TO
32 PCT.
MONDAY
SHOWERS LIKELY. LOWS 37 TO 47. HIGHS 55 TO 65. LIGHT
WINDS. MINIMUM HUMIDITY 36 TO 46 PCT.
TUESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 34 TO 44. HIGHS
52 TO 62.
WEDNESDAY
CLEAR. LOWS 34 TO 44. HIGHS 61 TO 71.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-052330-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
250 AM MST THU MAR 5 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
MST THIS EVENING...
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............12 TO 22 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. SOUTHWEST AROUND 15 MPH
INCREASING TO AROUND 25 MPH IN THE
AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............9210 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 16 KNOTS INCREASING TO 26
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (239460 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........29 TO 39 DEGS.
24 HR TREND...........DOWN 7 TO 11 DEGS.
* MAX HUMIDITY.............30 TO 40 PCT.
24 HR TREND...........UP 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. WEST 15 TO 25 MPH.
* 10000 FT MSL WIND........WEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........51 TO 61 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MIN HUMIDITY.............9 TO 19 PCT.
24 HR TREND...........DOWN 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST AROUND 30 MPH DECREASING TO AROUND
20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............8337 FT AGL.
* TRANSPORT WINDS..........WEST 13 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (133392 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 31 TO 41.
HIGHS 54 TO 64. SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY
14 TO 24 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 39 TO 49. HIGHS 57 TO 67. EAST WIND AROUND
25 MPH. MINIMUM HUMIDITY 29 TO 39 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 39 TO 49. HIGHS 52 TO 62. SOUTH WIND AROUND
15 MPH. MINIMUM HUMIDITY 42 TO 52 PCT.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 35 TO 45. HIGHS 52 TO 62.
WEDNESDAY
CLEAR. LOWS 37 TO 47. HIGHS 60 TO 70.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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