196
FNUS55 KTWC 100936
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
236 AM MST TUE FEB 10 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
A LOW PRESSURE SYSTEM ALONG AND NEAR SONORA MEXICO
THIS MORNING WILL RESULT IN A NORTHERLY PUSH OF LOW-LEVEL MOISTURE
INTO THE AREA TODAY. THIS WILL RESULT IN AND INCREASE IN RHS
BETWEEN YESTERDAY AND TODAY. MIN RH LEVELS WILL BE 25-35 PERCENT
IN THE VALLEYS AND 35 TO 45 PERCENT IN THE MOUNTAINS TODAY AND
WEDNESDAY, LOWERING AROUND 5 PERCENT THURSDAY, THEN INCREASING
SIGNIFICANTLY FRIDAY WITH THE ARRIVAL OF OUR NEXT WEATHER SYSTEM.
THIS LOW PRESSURE SYSTEM WILL BRING INCREASING RHS, SCATTERED TO
NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS ACROSS SOUTHEAST
ARIZONA, ALONG WITH SNOWFALL IN THE HIGHER ELEVATIONS.
AZZ150-110000-
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 TUE FEB 10 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........72 TO 82 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............28 TO 38 PCT.
24 HR TREND...........UP 15 TO 19 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............7348 FT AGL.
* TRANSPORT WINDS..........SOUTH 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (139612 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........50 TO 60 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............76 TO 86 PCT.
24 HR TREND...........UP 21 TO 25 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 20 TO 25 MPH.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 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.............23 TO 33 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............8793 FT AGL.
* TRANSPORT WINDS..........SOUTH 16 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (158274 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 46 TO
56. HIGHS 70 TO 80. LIGHT WINDS. MINIMUM HUMIDITY 17 TO 27 PCT.
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 46 TO 56. HIGHS 60 TO 70. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 37 TO 47 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 39 TO 49. HIGHS 65 TO 75. LIGHT
WINDS. MINIMUM HUMIDITY 22 TO 32 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS 69 TO 79.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
44 TO 54. 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)
AZZ151-110000-
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 TUE FEB 10 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........67 TO 77 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............29 TO 39 PCT.
24 HR TREND...........UP 13 TO 17 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 15 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............7401 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 12 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (88812 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........44 TO 54 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............82 TO 92 PCT.
24 HR TREND...........UP 19 TO 23 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 10 MPH INCREASING TO
SOUTH AROUND 20 MPH AFTER MIDNIGHT.
WEDNESDAY
* 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..........67 TO 77 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............27 TO 37 PCT.
24 HR TREND...........DOWN 1 PCT.
* 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............6615 FT AGL.
* TRANSPORT WINDS..........SOUTH 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (92610 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 43 TO
53. HIGHS 65 TO 75. LIGHT WINDS. MINIMUM HUMIDITY 19 TO 29 PCT.
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 41 TO 51. HIGHS 53 TO 63. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 45 TO 55 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO
44. HIGHS 58 TO 68. LIGHT WINDS. MINIMUM HUMIDITY 27 TO 37 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS 65 TO 75.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
39 TO 49. HIGHS 58 TO 68.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-110000-
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 TUE FEB 10 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........66 TO 76 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............25 TO 35 PCT.
24 HR TREND...........UP 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............6897 FT AGL.
* TRANSPORT WINDS..........SOUTH 10 KNOTS SHIFTING TO THE WEST 11
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (75867 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........44 TO 54 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............76 TO 86 PCT.
24 HR TREND...........UP 18 TO 22 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
WEDNESDAY
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........66 TO 76 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........UP 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............7160 FT AGL.
* TRANSPORT WINDS..........SOUTH 9 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (100240 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 42 TO
52. HIGHS 64 TO 74. LIGHT WINDS. MINIMUM HUMIDITY 21 TO 31 PCT.
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 41 TO 51. HIGHS 53 TO 63. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 43 TO 53 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 33 TO
43. HIGHS 57 TO 67. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY
27 TO 37 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 33 TO 43. HIGHS 63 TO 73.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
38 TO 48. HIGHS 60 TO 70.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-110000-
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 TUE FEB 10 2026
TODAY
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............21 TO 31 PCT.
24 HR TREND...........UP 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
* MIXING HEIGHT............6956 FT AGL.
* TRANSPORT WINDS..........NORTH 10 KNOTS SHIFTING TO THE WEST 13
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (90428 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (45-55 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........38 TO 48 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............72 TO 82 PCT.
24 HR TREND...........UP 22 TO 26 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.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (60-70 PCT). SLIGHT CHANCE
OF SHOWERS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........55 TO 65 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............38 TO 48 PCT.
24 HR TREND...........UP 14 TO 18 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............7245 FT AGL.
* TRANSPORT WINDS..........EAST 12 KNOTS SHIFTING TO THE SOUTH 18
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (130410 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 36 TO
46. HIGHS 55 TO 65. LIGHT WINDS. MINIMUM HUMIDITY 22 TO 32 PCT.
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 36 TO 46. HIGHS 42 TO 52. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 48 TO 58 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 28 TO 38. HIGHS 50 TO 60. NORTHWEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 29 TO 39 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 29 TO 39. HIGHS 53 TO 63.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
33 TO 43. HIGHS 48 TO 58.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-110000-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
236 AM MST TUE FEB 10 2026
TODAY
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........57 TO 67 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............34 TO 44 PCT.
24 HR TREND...........UP 10 TO 14 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH.
* 10000 FT MSL WIND........WEST 5 TO 10 MPH.
* MIXING HEIGHT............7403 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 10 TO 11 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (77731 KNOT-FT).
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........41 TO 51 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............79 TO 89 PCT.
24 HR TREND...........UP 18 TO 22 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
WEDNESDAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............33 TO 43 PCT.
24 HR TREND...........UP 1 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............6989 FT AGL.
* TRANSPORT WINDS..........SOUTH 11 TO 14 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (87362 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 41 TO
51. HIGHS 56 TO 66. LIGHT WINDS. MINIMUM HUMIDITY 24 TO 34 PCT.
FRIDAY
MOSTLY CLOUDY. COOLER. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 39 TO 49. HIGHS 44 TO 54. SOUTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 43 TO 53 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 32 TO
42. HIGHS 49 TO 59. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY
32 TO 42 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 33 TO 43. HIGHS 56 TO 66.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
38 TO 48. HIGHS 51 TO 61.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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