328
FNUS55 KTWC 111012
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
312 AM MST WED FEB 11 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
A COLD AND WET WINTER WEATHER SYSTEM IS EXPECTED
TO MAKE ITS WAY INTO SOUTHEAST ARIZONA FRIDAY RESULTING IN VALLEY
RAIN AND HIGH ELEVATION SNOWFALL. ISOLATED THUNDERSTORMS WILL ALSO
BE POSSIBLE WITH THIS SYSTEM. MIN RH LEVELS WILL BE 25-35 PERCENT
IN THE VALLEYS AND 35 TO 45 PERCENT IN THE MOUNTAINS TODAY,
LOWERING 5-10 PERCENT THURSDAY, THEN INCREASING SIGNIFICANTLY
FRIDAY TO 35-45 PERCENT IN THE VALLEYS AND 45-65 PERCENT IN THE
MOUNTAINS WITH THE ARRIVAL OF THAT WEATHER SYSTEM. ALTHOUGH QUIET
WEATHER WILL BRIEFLY RETURN THIS WEEKEND, UNSETTLED WEATHER
RETURNS THE FIRST HALF OF NEXT WEEK WITH VALLEY RAIN AND MOUNTAIN
SNOW. STRONG AND GUSTY SOUTHWEST WINDS ARE POSSIBLE MONDAY.
AZZ150-120045-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
312 AM MST WED FEB 11 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 15 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTH 20 TO 25 MPH.
* MIXING HEIGHT............9240 FT AGL.
* TRANSPORT WINDS..........SOUTH 16 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (175560 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........46 TO 56 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MAX HUMIDITY.............54 TO 64 PCT.
24 HR TREND...........DOWN 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........70 TO 80 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............17 TO 27 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............5643 FT AGL.
* TRANSPORT WINDS..........SOUTH 5 TO 7 KNOTS.
* VENTILATION CATEGORY.....FAIR (39501 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 49 TO 59. HIGHS 60 TO 70. LIGHT
WINDS. MINIMUM HUMIDITY 38 TO 48 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 65 TO 75. LIGHT
WINDS. MINIMUM HUMIDITY 28 TO 38 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 43 TO 53. HIGHS 70 TO 80. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 18 TO 28 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
45 TO 55. HIGHS 64 TO 74.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 42 TO 52. HIGHS
61 TO 71.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-120045-
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-
312 AM MST WED FEB 11 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........67 TO 77 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............26 TO 36 PCT.
24 HR TREND...........DOWN 1 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 15 TO 20 MPH.
* MIXING HEIGHT............6824 FT AGL.
* TRANSPORT WINDS..........SOUTH 12 TO 15 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (102360 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT) THEN BECOMING
MOSTLY CLOUDY (60-70 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........43 TO 53 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............68 TO 78 PCT.
24 HR TREND...........DOWN 16 TO 20 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........66 TO 76 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............21 TO 31 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............6195 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 5 KNOTS SHIFTING TO THE
SOUTHWEST 8 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (49560 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 44 TO 54. HIGHS 55 TO 65. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 43 TO 53 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 36 TO 46. HIGHS 59 TO 69. LIGHT
WINDS. MINIMUM HUMIDITY 32 TO 42 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 37 TO 47. HIGHS 65 TO 75. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 19 TO 29 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
LOWS 41 TO 51. HIGHS 62 TO 72.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 38 TO 48. HIGHS
55 TO 65.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-120045-
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-
312 AM MST WED FEB 11 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........66 TO 76 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............30 TO 40 PCT.
24 HR TREND...........UP 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 15 TO 20 MPH.
* MIXING HEIGHT............7343 FT AGL.
* TRANSPORT WINDS..........SOUTH 9 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (102802 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........42 TO 52 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MAX HUMIDITY.............70 TO 80 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............24 TO 34 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............5795 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 5 KNOTS SHIFTING TO THE
SOUTHWEST 7 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (40565 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 44 TO 54. HIGHS 54 TO 64. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 44 TO 54 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO
45. HIGHS 58 TO 68. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY
32 TO 42 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 36 TO 46. HIGHS 64 TO 74. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 20 TO 30 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
40 TO 50. HIGHS 63 TO 73.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 38 TO 48. HIGHS
55 TO 65.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-120045-
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-
312 AM MST WED FEB 11 2026
TODAY
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........56 TO 66 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............37 TO 47 PCT.
24 HR TREND...........UP 13 TO 17 PCT.
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH SHIFTING TO THE SOUTH
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTH 20 TO 25 MPH.
* MIXING HEIGHT............7244 FT AGL.
* TRANSPORT WINDS..........EAST 12 KNOTS SHIFTING TO THE SOUTH 18
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (130392 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........36 TO 46 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............71 TO 81 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........56 TO 66 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............23 TO 33 PCT.
24 HR TREND...........DOWN 11 TO 15 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............6142 FT AGL.
* TRANSPORT WINDS..........NORTH 6 KNOTS SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (67562 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 37 TO 47. HIGHS 43 TO 53. LIGHT
WINDS. MINIMUM HUMIDITY 48 TO 58 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 31 TO
41. HIGHS 51 TO 61. LIGHT WINDS. MINIMUM HUMIDITY 31 TO 41 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 31 TO 41. HIGHS 53 TO 63. EAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 23 TO 33 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
35 TO 45. HIGHS 52 TO 62.
TUESDAY
SHOWERS AND SNOW SHOWERS LIKELY. LOWS 32 TO 42. HIGHS
43 TO 53.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-120045-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
312 AM MST WED FEB 11 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...........LITTLE CHANGE.
* MIN HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 15 TO 20 MPH.
* MIXING HEIGHT............7129 FT AGL.
* TRANSPORT WINDS..........SOUTH 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (92677 KNOT-FT).
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT) THEN BECOMING
MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........40 TO 50 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............61 TO 71 PCT.
24 HR TREND...........DOWN 11 TO 15 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (60-70 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........56 TO 66 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............26 TO 36 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............6747 FT AGL.
* TRANSPORT WINDS..........SOUTH 6 TO 8 KNOTS.
* VENTILATION CATEGORY.....GOOD (47229 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
COOLER. SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 40 TO 50. HIGHS 46 TO 56. SOUTHWEST WIND AROUND 15 MPH.
MINIMUM HUMIDITY 42 TO 52 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO
44. HIGHS 50 TO 60. LIGHT WINDS. MINIMUM HUMIDITY 38 TO 48 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS 56 TO 66. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 22 TO 32 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
LOWS 40 TO 50. HIGHS 55 TO 65.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS 36 TO 46. HIGHS 47 TO 57.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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