274
FNUS55 KTWC 100942
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
242 AM MST SAT JAN 10 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
AFTER A COLD MORNING, IT WILL BE WARMER TODAY WITH
WARMING TREND CONTINUING THROUGH ALL OF NEXT WEEK. GUSTY EAST TO
SOUTHEAST WINDS WILL DEVELOP LATER TODAY AND CONTINUE INTO SUNDAY
WITH GUSTS UP TO 50 MPH IN THE MOUNTAINS.
AZZ150-102200-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
242 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........53 TO 63 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MIN HUMIDITY.............23 TO 33 PCT.
24 HR TREND...........DOWN 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. NORTHEAST 15 TO 25 MPH.
* 10000 FT MSL WIND........NORTHEAST 30 TO 35 MPH.
* MIXING HEIGHT............3597 FT AGL.
* TRANSPORT WINDS..........NORTHEAST 24 TO 26 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (93522 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........33 TO 43 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MAX HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........DOWN 26 TO 30 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. NORTHEAST 15 TO 25 MPH.
* 10000 FT MSL WIND........EAST 30 TO 35 MPH.
SUNDAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........UP 3 TO 7 DEGS.
* MIN HUMIDITY.............18 TO 28 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........EAST AROUND 25 MPH DECREASING TO AROUND
15 MPH IN THE AFTERNOON.
* MIXING HEIGHT............3581 FT AGL.
* TRANSPORT WINDS..........EAST 32 TO 34 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (121754 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
MONDAY
CLEAR. LOWS 33 TO 43. HIGHS 61 TO 71. EAST WIND AROUND
15 MPH. MINIMUM HUMIDITY 22 TO 32 PCT.
TUESDAY
CLEAR. LOWS 36 TO 46. HIGHS 64 TO 74. NORTHEAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 23 TO 33 PCT.
WEDNESDAY
CLEAR. LOWS 37 TO 47. HIGHS 67 TO 77. LIGHT WINDS.
MINIMUM HUMIDITY 18 TO 28 PCT.
THURSDAY
CLEAR. LOWS 40 TO 50. HIGHS 69 TO 79.
FRIDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 68 TO 78.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-102200-
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-
242 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........46 TO 56 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............29 TO 39 PCT.
24 HR TREND...........DOWN 14 TO 18 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........NORTHEAST 30 TO 35 MPH.
* MIXING HEIGHT............3122 FT AGL.
* TRANSPORT WINDS..........EAST 28 TO 29 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (90538 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........27 TO 37 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MAX HUMIDITY.............42 TO 52 PCT.
24 HR TREND...........DOWN 26 TO 30 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........EAST 35 TO 40 MPH.
SUNDAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........50 TO 60 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............23 TO 33 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........SOUTHEAST AROUND 30 MPH BECOMING SOUTH
AROUND 15 MPH IN THE AFTERNOON.
* MIXING HEIGHT............2677 FT AGL.
* TRANSPORT WINDS..........EAST 34 TO 35 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (93695 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
MONDAY
CLEAR. LOWS 28 TO 38. HIGHS 55 TO 65. EAST WIND AROUND
20 MPH. MINIMUM HUMIDITY 28 TO 38 PCT.
TUESDAY
CLEAR. LOWS 31 TO 41. HIGHS 59 TO 69. EAST WIND AROUND
15 MPH. MINIMUM HUMIDITY 27 TO 37 PCT.
WEDNESDAY
CLEAR. LOWS 32 TO 42. HIGHS 62 TO 72. LIGHT WINDS.
MINIMUM HUMIDITY 22 TO 32 PCT.
THURSDAY
CLEAR. LOWS 35 TO 45. HIGHS 63 TO 73.
FRIDAY
MOSTLY CLEAR. LOWS 35 TO 45. 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)
AZZ152-102200-
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-
242 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........43 TO 53 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. EAST 15 TO 25 MPH.
* 10000 FT MSL WIND........NORTHEAST 25 TO 30 MPH.
* MIXING HEIGHT............2828 FT AGL.
* TRANSPORT WINDS..........EAST 26 TO 27 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (76356 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........24 TO 34 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MAX HUMIDITY.............47 TO 57 PCT.
24 HR TREND...........DOWN 18 TO 22 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. EAST 15 TO 25 MPH.
* 10000 FT MSL WIND........EAST 35 TO 40 MPH.
SUNDAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........SOUTHEAST AROUND 35 MPH DECREASING TO
AROUND 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............2815 FT AGL.
* TRANSPORT WINDS..........EAST 33 TO 36 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (101340 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
MONDAY
CLEAR. LOWS 26 TO 36. HIGHS 51 TO 61. EAST WIND AROUND
20 MPH. MINIMUM HUMIDITY 28 TO 38 PCT.
TUESDAY
CLEAR. LOWS 27 TO 37. HIGHS 55 TO 65. LIGHT WINDS.
MINIMUM HUMIDITY 27 TO 37 PCT.
WEDNESDAY
CLEAR. LOWS 29 TO 39. HIGHS 58 TO 68. LIGHT WINDS.
MINIMUM HUMIDITY 23 TO 33 PCT.
THURSDAY
CLEAR. LOWS 31 TO 41. HIGHS 59 TO 69.
FRIDAY
MOSTLY CLEAR. LOWS 32 TO 42. HIGHS 58 TO 68.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-102200-
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-
242 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........38 TO 48 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MIN HUMIDITY.............27 TO 37 PCT.
24 HR TREND...........DOWN 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHEAST 20 TO 25 MPH.
* MIXING HEIGHT............2730 FT AGL.
* TRANSPORT WINDS..........EAST 16 TO 17 KNOTS.
* VENTILATION CATEGORY.....GOOD (46410 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........19 TO 29 DEGS.
24 HR TREND...........UP 4 TO 8 DEGS.
* MAX HUMIDITY.............51 TO 61 PCT.
24 HR TREND...........DOWN 14 TO 18 PCT.
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.
* 10000 FT MSL WIND........EAST 25 TO 30 MPH.
SUNDAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........41 TO 51 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..BREEZY. EAST 15 TO 25 MPH.
* 10000 FT MSL WIND........SOUTHEAST 25 TO 30 MPH.
* MIXING HEIGHT............3887 FT AGL.
* TRANSPORT WINDS..........EAST 23 TO 29 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (112723 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
MONDAY
MOSTLY CLEAR. LOWS 21 TO 31. HIGHS 45 TO 55. EAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 28 TO 38 PCT.
TUESDAY
CLEAR. LOWS 23 TO 33. HIGHS 50 TO 60. LIGHT WINDS.
MINIMUM HUMIDITY 24 TO 34 PCT.
WEDNESDAY
CLEAR. LOWS 27 TO 37. HIGHS 53 TO 63. LIGHT WINDS.
MINIMUM HUMIDITY 25 TO 35 PCT.
THURSDAY
CLEAR. LOWS 29 TO 39. HIGHS 53 TO 63.
FRIDAY
MOSTLY CLEAR. LOWS 27 TO 37. 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)
AZZ154-102200-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
242 AM MST SAT JAN 10 2026
TODAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........35 TO 45 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............33 TO 43 PCT.
24 HR TREND...........DOWN 10 TO 14 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........NORTHEAST 25 TO 30 MPH.
* MIXING HEIGHT............2901 FT AGL.
* TRANSPORT WINDS..........EAST 29 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (84129 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........23 TO 33 DEGS.
24 HR TREND...........UP 5 TO 9 DEGS.
* MAX HUMIDITY.............40 TO 50 PCT.
24 HR TREND...........DOWN 26 TO 30 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 20 TO 30 MPH.
* 10000 FT MSL WIND........EAST 35 TO 40 MPH.
SUNDAY
* SKY/WEATHER..............SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........38 TO 48 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............23 TO 33 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..WINDY. EAST 25 TO 35 MPH.
* 10000 FT MSL WIND........SOUTHEAST AROUND 35 MPH DECREASING TO
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............3047 FT AGL.
* TRANSPORT WINDS..........EAST 33 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (100551 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
MONDAY
CLEAR. LOWS 26 TO 36. HIGHS 43 TO 53. EAST WIND AROUND
20 MPH. MINIMUM HUMIDITY 26 TO 36 PCT.
TUESDAY
CLEAR. LOWS 29 TO 39. HIGHS 49 TO 59. EAST WIND AROUND
15 MPH. MINIMUM HUMIDITY 30 TO 40 PCT.
WEDNESDAY
CLEAR. LOWS 31 TO 41. HIGHS 52 TO 62. LIGHT WINDS.
MINIMUM HUMIDITY 26 TO 36 PCT.
THURSDAY
CLEAR. LOWS 32 TO 42. HIGHS 53 TO 63.
FRIDAY
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS 52 TO 62.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page