548
FNUS55 KTWC 212204
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
304 PM MST WED OCT 21 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
TEMPERATURES AT OR SLIGHTLY ABOVE NORMAL TODAY
AND THURSDAY, THEN COOLER THAN NORMAL FRIDAY INTO THIS WEEKEND.
WIND SPEEDS MOSTLY LESS THAN 15 MPH THIS WEEK EXCEPT FOR
THURSDAY WITH SOUTHWEST WINDS AROUND 15 TO 20 MPH. MINIMUM
RELATIVE HUMIDITY REMAINS ABOVE 25-40+ PERCENT IN THE VALLEYS
THROUGH THE WEEK WITH MOST DAYS SEEING ANYWHERE FROM A 20-80
PERCENT CHANCE OF SHOWERS WITH EMBEDDED THUNDERSTORMS AT TIMES
AS AN UNSETTLED PATTERN CONTINUES.
AZZ150-221415-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
304 PM MST WED OCT 21 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (60-70 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........62 TO 72 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............81 TO 91 PCT.
24 HR TREND...........UP 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 35 TO 40 MPH.
THURSDAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........77 TO 87 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............48 TO 58 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTH 40 TO 45 MPH.
* MIXING HEIGHT............6614 FT AGL.
* TRANSPORT WINDS..........SOUTH 18 TO 22 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (145508 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........53 TO 63 DEGS.
24 HR TREND...........DOWN 8 TO 12 DEGS.
* MAX HUMIDITY.............80 TO 90 PCT.
24 HR TREND...........UP 13 TO 17 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 30 TO 35 MPH.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT) THEN BECOMING
MOSTLY SUNNY (0-10 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.............37 TO 47 PCT.
24 HR TREND...........DOWN 9 TO 13 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............7631 FT AGL.
* TRANSPORT WINDS..........EAST 6 KNOTS SHIFTING TO THE SOUTHWEST
10 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (76310 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 70 TO 80. LIGHT
WINDS. MINIMUM HUMIDITY 29 TO 39 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 73 TO 83. LIGHT
WINDS. MINIMUM HUMIDITY 24 TO 34 PCT.
MONDAY
MOSTLY CLEAR. LOWS 53 TO 63. HIGHS 76 TO 86. LIGHT
WINDS. MINIMUM HUMIDITY 21 TO 31 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 77 TO 87.
WEDNESDAY
PARTLY CLOUDY. LOWS 55 TO 65. HIGHS 76 TO 86.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-221415-
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-
304 PM MST WED OCT 21 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........57 TO 67 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MAX HUMIDITY.............83 TO 93 PCT.
24 HR TREND...........UP 17 TO 21 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 30 TO 35 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (45-55 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........40 PCT.
* CHANCE OF THUNDER........40 PCT.
* MAX TEMPERATURE..........74 TO 84 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............58 TO 68 PCT.
24 HR TREND...........UP 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTH 35 TO 40 MPH.
* MIXING HEIGHT............5039 FT AGL.
* TRANSPORT WINDS..........SOUTH 20 TO 22 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (110858 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF
SHOWERS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........51 TO 61 DEGS.
24 HR TREND...........DOWN 6 TO 10 DEGS.
* MAX HUMIDITY.............87 TO 97 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT) THEN BECOMING
MOSTLY SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........70 TO 80 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............39 TO 49 PCT.
24 HR TREND...........DOWN 17 TO 21 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST AROUND 30 MPH BECOMING SOUTH
AROUND 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT............6022 FT AGL.
* TRANSPORT WINDS..........SOUTH 13 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (102374 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 67 TO 77. LIGHT
WINDS. MINIMUM HUMIDITY 32 TO 42 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 46 TO 56. HIGHS 68 TO 78. LIGHT
WINDS. MINIMUM HUMIDITY 27 TO 37 PCT.
MONDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS 72 TO 82. LIGHT
WINDS. MINIMUM HUMIDITY 25 TO 35 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 49 TO 59. HIGHS 72 TO 82.
WEDNESDAY
PARTLY CLOUDY. LOWS 49 TO 59. HIGHS 71 TO 81.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-221415-
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-
304 PM MST WED OCT 21 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (75-85 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........60 PCT.
* CHANCE OF THUNDER........50 PCT.
* MIN TEMPERATURE..........56 TO 66 DEGS.
24 HR TREND...........UP 1 DEG.
* MAX HUMIDITY.............82 TO 92 PCT.
24 HR TREND...........UP 16 TO 20 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 25 TO 30 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........80 PCT.
* CHANCE OF THUNDER........50 PCT.
* MAX TEMPERATURE..........73 TO 83 DEGS.
24 HR TREND...........DOWN 2 TO 5 DEGS.
* MIN HUMIDITY.............60 TO 70 PCT.
24 HR TREND...........UP 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTH 30 TO 35 MPH.
* MIXING HEIGHT............4956 FT AGL.
* TRANSPORT WINDS..........SOUTH 15 TO 18 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (89208 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........60 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........52 TO 62 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MAX HUMIDITY.............88 TO 98 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MAX TEMPERATURE..........71 TO 81 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............46 TO 56 PCT.
24 HR TREND...........DOWN 11 TO 15 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 35 MPH BECOMING SOUTH
AROUND 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............7896 FT AGL.
* TRANSPORT WINDS..........SOUTH 13 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (150024 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 67 TO 77. SOUTH
WIND AROUND 15 MPH. MINIMUM HUMIDITY 32 TO 42 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 67 TO 77. LIGHT
WINDS. MINIMUM HUMIDITY 29 TO 39 PCT.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 56. HIGHS 69 TO 79. LIGHT
WINDS. MINIMUM HUMIDITY 29 TO 39 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 69 TO 79.
WEDNESDAY
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS 68 TO 78.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-221415-
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-
304 PM MST WED OCT 21 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (75-85 PCT). SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS.
* CHANCE OF PRECIP.........90 PCT.
* CHANCE OF THUNDER........50 PCT.
* MIN TEMPERATURE..........49 TO 59 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............84 TO 94 PCT.
24 HR TREND...........UP 14 TO 18 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 30 TO 35 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (80-90 PCT). SHOWERS AND
CHANCE OF THUNDERSTORMS.
* CHANCE OF PRECIP.........100 PCT.
* CHANCE OF THUNDER........50 PCT.
* MAX TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........DOWN 4 TO 8 DEGS.
* MIN HUMIDITY.............73 TO 83 PCT.
24 HR TREND...........UP 14 TO 18 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHEAST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 35 TO 40 MPH.
* MIXING HEIGHT............2940 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 17 TO 18 KNOTS.
* VENTILATION CATEGORY.....GOOD (52920 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (70-80 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........90 PCT.
* CHANCE OF THUNDER........50 PCT.
* MIN TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MAX HUMIDITY.............88 TO 98 PCT.
24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..SOUTH AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 30 TO 35 MPH.
FRIDAY
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT) THEN BECOMING
PARTLY CLOUDY (30-40 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........30 PCT.
* CHANCE OF THUNDER........20 PCT.
* MAX TEMPERATURE..........59 TO 69 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............55 TO 65 PCT.
24 HR TREND...........DOWN 17 TO 21 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 20 TO 25 MPH.
* MIXING HEIGHT............5689 FT AGL.
* TRANSPORT WINDS..........SOUTH 15 TO 17 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (96713 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 AND
THUNDERSTORMS. LOWS 42 TO 52. HIGHS 55 TO 65. SOUTH WIND AROUND
15 MPH. MINIMUM HUMIDITY 43 TO 53 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 37 TO 47. HIGHS 56 TO 66. LIGHT
WINDS. MINIMUM HUMIDITY 32 TO 42 PCT.
MONDAY
PARTLY CLOUDY. LOWS 37 TO 47. HIGHS 59 TO 69. LIGHT
WINDS. MINIMUM HUMIDITY 32 TO 42 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 59 TO 69.
WEDNESDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS 58 TO 68.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-221415-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
304 PM MST WED OCT 21 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (70-80 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........40 PCT.
* CHANCE OF THUNDER........40 PCT.
* MIN TEMPERATURE..........52 TO 62 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............80 TO 90 PCT.
24 HR TREND...........UP 9 TO 13 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 25 TO 30 MPH.
THURSDAY
* SKY/WEATHER..............MOSTLY CLOUDY (65-75 PCT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........60 PCT.
* CHANCE OF THUNDER........50 PCT.
* MAX TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........DOWN 3 TO 7 DEGS.
* MIN HUMIDITY.............66 TO 76 PCT.
24 HR TREND...........UP 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 15 TO 20 MPH.
* 10000 FT MSL WIND........SOUTH 30 TO 35 MPH.
* MIXING HEIGHT............6113 FT AGL.
* TRANSPORT WINDS..........SOUTH 18 TO 21 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (119203 KNOT-FT).
THURSDAY NIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT) THEN BECOMING
MOSTLY CLOUDY (45-55 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........60 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........47 TO 57 DEGS.
24 HR TREND...........DOWN 4 TO 8 DEGS.
* MAX HUMIDITY.............90 TO 100 PCT.
24 HR TREND...........UP 11 TO 15 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 35 TO 40 MPH.
FRIDAY
* SKY/WEATHER..............PARTLY CLOUDY (45-55 PCT) THEN BECOMING
MOSTLY SUNNY (15-25 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............48 TO 58 PCT.
24 HR TREND...........DOWN 9 TO 13 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 35 MPH DECREASING TO
AROUND 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT............8419 FT AGL.
* TRANSPORT WINDS..........SOUTH 16 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (147332 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SATURDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS 57 TO 67.
SOUTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 40 TO 50 PCT.
SUNDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 57 TO 67. LIGHT
WINDS. MINIMUM HUMIDITY 37 TO 47 PCT.
MONDAY
PARTLY CLOUDY. LOWS 42 TO 52. HIGHS 61 TO 71. LIGHT
WINDS. MINIMUM HUMIDITY 36 TO 46 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 43 TO 53. HIGHS 61 TO 71.
WEDNESDAY
PARTLY CLOUDY. LOWS 43 TO 53. 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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