811
FNUS55 KTWC 102228
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
328 PM 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 THROUGH THIS AFTERNOON. 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.
AZZ150-111415-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
328 PM MST TUE FEB 10 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........51 TO 61 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MAX HUMIDITY.............73 TO 83 PCT.
24 HR TREND...........UP 20 TO 24 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..........70 TO 80 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............24 TO 34 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 20 TO 25 MPH.
* MIXING HEIGHT............8583 FT AGL.
* TRANSPORT WINDS..........SOUTH 17 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (163077 KNOT-FT).
WEDNESDAY NIGHT
* 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 2 TO 5 DEGS.
* MAX HUMIDITY.............56 TO 66 PCT.
24 HR TREND...........DOWN 11 TO 15 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 (50-60 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............5853 FT AGL.
* TRANSPORT WINDS..........EAST 5 TO 6 KNOTS.
* VENTILATION CATEGORY.....FAIR (35118 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. LOWS 48 TO
58. HIGHS 60 TO 70. SOUTHWEST WIND AROUND 15 MPH. MINIMUM
HUMIDITY 38 TO 48 PCT.
SATURDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 66 TO 76. LIGHT
WINDS. MINIMUM HUMIDITY 25 TO 35 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS 70 TO 80. LIGHT
WINDS. MINIMUM HUMIDITY 16 TO 25 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
45 TO 55. HIGHS 64 TO 74.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 42 TO
52. HIGHS 62 TO 72.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-111415-
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-
328 PM MST TUE FEB 10 2026
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 DEG.
* MAX HUMIDITY.............81 TO 91 PCT.
24 HR TREND...........UP 18 TO 22 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 15 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTH AROUND 10 MPH INCREASING TO AROUND
20 MPH AFTER MIDNIGHT.
WEDNESDAY
* 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.............28 TO 38 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............6667 FT AGL.
* TRANSPORT WINDS..........SOUTH 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (93338 KNOT-FT).
WEDNESDAY NIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 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 15 TO 19 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 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..........66 TO 76 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............20 TO 30 PCT.
24 HR TREND...........DOWN 6 TO 10 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............6378 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 5 KNOTS SHIFTING TO THE
SOUTHWEST 8 KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....GOOD (51024 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 43 TO 53. HIGHS 54 TO 64. SOUTHWEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 42 TO 52 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO
45. HIGHS 59 TO 69. LIGHT WINDS. MINIMUM HUMIDITY 30 TO 40 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 36 TO 46. HIGHS 67 TO 77. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 17 TO 27 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
59 TO 69.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-111415-
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-
328 PM MST TUE FEB 10 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........43 TO 53 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............75 TO 85 PCT.
24 HR TREND...........UP 16 TO 20 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* 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..........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)..SOUTHEAST AROUND 10 MPH.
* 10000 FT MSL WIND........SOUTH 15 TO 20 MPH.
* MIXING HEIGHT............7265 FT AGL.
* TRANSPORT WINDS..........SOUTHEAST 9 KNOTS SHIFTING TO THE SOUTH
IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (101710 KNOT-FT).
WEDNESDAY NIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 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 3 TO 6 PCT.
* 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..............MOSTLY CLOUDY (60-70 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............5585 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 5 TO 7 KNOTS.
* VENTILATION CATEGORY.....FAIR (39095 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 43 TO 53. 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 59 TO 69. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY
29 TO 39 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 34 TO 44. HIGHS 65 TO 75. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 18 TO 28 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
40 TO 50. HIGHS 63 TO 73.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 37 TO 47. 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)
AZZ153-111415-
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-
328 PM MST TUE FEB 10 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........38 TO 48 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MAX HUMIDITY.............70 TO 80 PCT.
24 HR TREND...........UP 18 TO 22 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
WEDNESDAY
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........55 TO 65 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MIN HUMIDITY.............37 TO 47 PCT.
24 HR TREND...........UP 12 TO 16 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............7087 FT AGL.
* TRANSPORT WINDS..........EAST 12 KNOTS SHIFTING TO THE SOUTH 18
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (127566 KNOT-FT).
WEDNESDAY NIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 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...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 15 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..........55 TO 65 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 12 TO 16 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 10
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............6930 FT AGL.
* TRANSPORT WINDS..........NORTH 8 KNOTS SHIFTING TO THE WEST 11
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (76230 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, SLIGHT CHANCE
OF THUNDERSTORMS AND SNOW SHOWERS. LOWS 37 TO 47. HIGHS 44 TO 54.
SOUTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 49 TO 59 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 29 TO
39. HIGHS 50 TO 60. NORTHWEST WIND AROUND 15 MPH. MINIMUM
HUMIDITY 30 TO 40 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 30 TO 40. HIGHS 54 TO 64. EAST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 21 TO 31 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
34 TO 44. HIGHS 52 TO 62.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS 31 TO 41. HIGHS 46 TO 56.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-111415-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
328 PM MST TUE FEB 10 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (50-60 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........40 TO 50 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............78 TO 88 PCT.
24 HR TREND...........UP 18 TO 22 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
WEDNESDAY
* SKY/WEATHER..............PARTLY CLOUDY (30-40 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........58 TO 68 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............34 TO 44 PCT.
24 HR TREND...........UP 1 TO 4 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 15 TO 20 MPH.
* MIXING HEIGHT............7286 FT AGL.
* TRANSPORT WINDS..........SOUTH 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....VERY GOOD (94718 KNOT-FT).
WEDNESDAY NIGHT
* SKY/WEATHER..............MOSTLY CLOUDY (55-65 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)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 15 MPH INCREASING TO
AROUND 25 MPH AFTER MIDNIGHT.
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...........LITTLE CHANGE.
* MIN HUMIDITY.............26 TO 36 PCT.
24 HR TREND...........DOWN 7 TO 11 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............6453 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 6 TO 8 KNOTS.
* VENTILATION CATEGORY.....GOOD (45171 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
FRIDAY
COOLER. SHOWERS LIKELY, SLIGHT CHANCE OF THUNDERSTORMS
AND SNOW SHOWERS. LOWS 40 TO 50. HIGHS 46 TO 56. SOUTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 43 TO 53 PCT.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 33 TO
43. HIGHS 50 TO 60. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY
34 TO 44 PCT.
SUNDAY
PARTLY CLOUDY. LOWS 34 TO 44. HIGHS 57 TO 67. SOUTHEAST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 19 TO 29 PCT.
WASHINGTONS BIRTHDAY
MOSTLY CLOUDY. 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 50 TO 60.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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