737
FNUS55 KTWC 040936
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
236 AM MST WED MAR 4 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
WARMER AND DRY CONDITIONS FOR TODAY WITH SOUTHWEST
TO WEST WINDS OF 10-15 MPH WITH GUSTS UP TO 20 MPH. TOMORROW, A
TROUGH WILL INCREASE WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 TO 35
MPH. 40 MPH GUSTS IS POSSIBLE IN THE SKY ISLANDS AND TOWARDS THE
WHITE MOUNTAINS. MIN RELATIVE HUMIDITIES WILL BE 9-18 PERCENT
WITH THIS SYSTEM, AND AS A RESULT, WIDESPREAD ELEVATED FIRE
WEATHER CONDITIONS WITH BRIEF LOCALIZED CRITICAL FIRE WEATHER
CONDITIONS IN THE LATE AFTERNOON FOR AREAS EAST OF TUCSON. BREEZES
CAN BE EXPECTED ON FRIDAY, BUT LOWER IN SPEEDS, ALONG WITH COOLER
TEMPERATURES. THIS WEEKEND, A WEATHER SYSTEM WILL BRING MOISTURE
AND DAILY CHANCES FOR PRECIPITATION INTO THE NEW WEEK. RAIN
ACCUMULATIONS WILL BE ON THE LOW END WITH THIS SYSTEM.
AZZ150-042330-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
236 AM MST WED MAR 4 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........76 TO 86 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............9 TO 14 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............7821 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 6 KNOTS SHIFTING TO THE
SOUTHWEST 10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (78210 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........46 TO 56 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............29 TO 39 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............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 17 PCT.
24 HR TREND...........UP 2 TO 5 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............9632 FT AGL.
* TRANSPORT WINDS..........SOUTH 13 KNOTS INCREASING TO WEST 23
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (221536 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 38 TO 48. HIGHS 64 TO 74. LIGHT
WINDS. MINIMUM HUMIDITY 8 TO 13 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 39 TO
49. HIGHS 71 TO 81. SOUTHEAST WIND AROUND 15 MPH. MINIMUM
HUMIDITY 12 TO 18 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 46 TO 56. HIGHS
73 TO 83. SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 19 TO
29 PCT.
MONDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 45 TO 55. HIGHS
67 TO 77.
TUESDAY
MOSTLY CLEAR. LOWS 44 TO 54. HIGHS 69 TO 79.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-042330-
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-
236 AM MST WED MAR 4 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............8 TO 17 PCT.
24 HR TREND...........DOWN 1 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............6824 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 7 KNOTS SHIFTING TO THE
SOUTHWEST 13 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (88712 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........41 TO 51 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST AROUND 15 MPH INCREASING TO
AROUND 25 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT) THEN BECOMING
MOSTLY SUNNY (10-20 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.............10 TO 20 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 25 TO 30 MPH.
* MIXING HEIGHT............7559 FT AGL.
* TRANSPORT WINDS..........SOUTH 15 KNOTS INCREASING TO WEST 25
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (188975 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS 60 TO 70. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 16 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO
45. HIGHS 66 TO 76. SOUTHEAST WIND AROUND 20 MPH. MINIMUM
HUMIDITY 14 TO 24 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 41 TO 51. HIGHS
69 TO 79. SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY 19 TO
29 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 41 TO 51. HIGHS 62 TO 72.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 39 TO 49.
HIGHS 62 TO 72.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-042330-
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-
236 AM MST WED MAR 4 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........70 TO 80 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MIN HUMIDITY.............9 TO 19 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............8131 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 7 KNOTS SHIFTING TO THE
SOUTHWEST 15 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (121965 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........40 TO 50 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST AROUND 15 MPH INCREASING TO
AROUND 25 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT) THEN BECOMING
MOSTLY SUNNY (10-20 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.............10 TO 20 PCT.
24 HR TREND...........UP 1 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 25 TO 30 MPH.
* MIXING HEIGHT............9506 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 15 KNOTS INCREASING TO 27
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (256662 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS 59 TO 69. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 16 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO
44. HIGHS 65 TO 75. SOUTHEAST WIND AROUND 20 MPH. MINIMUM
HUMIDITY 13 TO 23 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 41 TO 51. HIGHS
68 TO 78. SOUTHEAST WIND AROUND 25 MPH. MINIMUM HUMIDITY 19 TO
29 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 42 TO 52. HIGHS 63 TO 73.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 38 TO 48.
HIGHS 62 TO 72.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-042330-
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-
236 AM MST WED MAR 4 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............11 TO 18 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............6168 FT AGL.
* TRANSPORT WINDS..........EAST 8 KNOTS SHIFTING TO THE SOUTHWEST
14 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (86352 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........35 TO 45 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............33 TO 43 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT) THEN BECOMING
MOSTLY SUNNY (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........56 TO 66 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............13 TO 21 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH INCREASING TO
SOUTHWEST AROUND 20 MPH IN THE
AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST AROUND 20 MPH INCREASING TO
AROUND 30 MPH IN THE AFTERNOON.
* MIXING HEIGHT............7183 FT AGL.
* TRANSPORT WINDS..........WEST 19 KNOTS INCREASING TO SOUTHWEST 29
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (208307 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 26 TO 36. HIGHS 47 TO 57. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 11 TO 19 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 28 TO
38. HIGHS 54 TO 64. EAST WIND AROUND 20 MPH. MINIMUM HUMIDITY
14 TO 22 PCT.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO 45.
HIGHS 59 TO 69. EAST WIND AROUND 15 MPH. MINIMUM HUMIDITY 19 TO
29 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 38 TO 48. HIGHS 55 TO 65.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO
44. HIGHS 52 TO 62.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-042330-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
236 AM MST WED MAR 4 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........62 TO 72 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............9 TO 19 PCT.
24 HR TREND...........DOWN 1 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............8165 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 9 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (106145 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........39 TO 49 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............26 TO 36 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 15 MPH INCREASING TO
AROUND 25 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER..............MOSTLY SUNNY (20-30 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.............11 TO 21 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 25 TO 30 MPH.
* MIXING HEIGHT............9392 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 18 KNOTS INCREASING TO 29
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (272368 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLEAR. LOWS 31 TO 41. HIGHS 51 TO 61. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 34 TO 44.
HIGHS 56 TO 66. SOUTHEAST WIND AROUND 20 MPH. MINIMUM HUMIDITY
16 TO 26 PCT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 39 TO 49. HIGHS
59 TO 69. SOUTHEAST WIND AROUND 25 MPH. MINIMUM HUMIDITY 24 TO
34 PCT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS, SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 50. HIGHS 54 TO 64.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 36 TO
46. HIGHS 53 TO 63.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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