####018014479#### FNUS55 KTWC 181051 FWFTWC Fire Weather Planning Forecast for Southeast Arizona National Weather Service Tucson AZ 351 AM MST Sat May 18 2024 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...Dry conditions continue this weekend with min RHs in the single digits for the lower valleys and poor overnight recoveries. 20-foot winds will generally follow diurnal trends through the beginning of next week with gusty afternoon winds (less than 25 mph). However, Monday and Tuesday will have the strongest 20-foot winds due to a passing system to our north (wind gusts up to 35 mph). In addition, there is potential for isolated dry thunderstorms late Monday. AZZ150-182230- Arizona Fire Weather Zone 150 Sonoran FDRA-Most of Pima County-South Central Pinal County- Tohono O'odham Nation-Tucson Metropolitan area-TDC- 351 AM MST Sat May 18 2024 .TODAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........93 to 103 degs. * 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............6 to 14 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 15 mph in the afternoon. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. * Mixing Height............12917 ft agl. * Transport Winds..........South 10 to 15 knots. * Ventilation Category.....Excellent (193755 knot-ft). .TONIGHT... * Sky/Weather..............Clear. * Min Temperature..........57 to 67 degs. * 24 hr Trend...........Little change. * Max Humidity.............28 to 38 pct. * 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph, diminishing late. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. .SUNDAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........89 to 99 degs. * 24 hr Trend...........Down 2 to 5 degs. * Min Humidity.............5 to 10 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming west around 15 mph in the afternoon. * 10000 ft MSL Wind........West 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. * Mixing Height............9407 ft agl. * Transport Winds..........Southwest 9 to 13 knots. * Ventilation Category.....Excellent (122291 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .MONDAY...Partly cloudy. Lows 57 to 67. Highs 87 to 97. Southwest wind around 20 mph. Minimum Humidity 6 to 13 pct. .TUESDAY...Clear. Lows 53 to 63. Highs 84 to 94. Southwest wind around 15 mph. Minimum Humidity 5 to 10 pct. .WEDNESDAY...Clear. Lows 52 to 62. Highs 86 to 96. Southwest wind around 15 mph. Minimum Humidity 4 to 12 pct. .THURSDAY...Mostly clear. Lows 52 to 62. Highs 86 to 96. .FRIDAY...Mostly clear. Lows 54 to 64. Highs 87 to 97. NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT LOCATION (2550 MSL) $$ AZZ151-182230- 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- 351 AM MST Sat May 18 2024 .TODAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........87 to 97 degs. * 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............9 to 15 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 15 mph in the afternoon. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. * Mixing Height............10764 ft agl. * Transport Winds..........South 11 to 15 knots. * Ventilation Category.....Excellent (161460 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear. * Min Temperature..........52 to 62 degs. * 24 hr Trend...........Down 1 to 4 degs. * Max Humidity.............30 to 40 pct. * 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Southwest 10 to 15 mph, diminishing late. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. .SUNDAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........84 to 94 degs. * 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............8 to 14 pct. * 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..South around 10 mph shifting to the west in the afternoon. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. * Mixing Height............8009 ft agl. * Transport Winds..........Southwest 10 to 16 knots. * Ventilation Category.....Excellent (128144 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .MONDAY...Mostly clear. Lows 51 to 61. Highs 83 to 93. Southwest wind around 20 mph. Minimum Humidity 9 to 13 pct. .TUESDAY...Clear. Lows 49 to 59. Highs 80 to 90. Southwest wind around 15 mph. Minimum Humidity 7 to 12 pct. .WEDNESDAY...Clear. Lows 47 to 57. Highs 81 to 91. Southwest wind around 15 mph. Minimum Humidity 6 to 10 pct. .THURSDAY...Clear. Lows 47 to 57. Highs 81 to 91. .FRIDAY...Mostly clear. Lows 49 to 59. Highs 82 to 92. NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION (3500 MSL) $$ AZZ152-182230- 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- 351 AM MST Sat May 18 2024 .TODAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........86 to 96 degs. * 24 hr Trend...........Up 2 to 5 degs. * Min Humidity.............8 to 16 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Light winds becoming southwest around 15 mph in the afternoon. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. * Mixing Height............13143 ft agl. * Transport Winds..........Northwest 9 knots shifting to the southwest 15 knots in the afternoon. * Ventilation Category.....Excellent (197145 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear. * Min Temperature..........53 to 63 degs. * 24 hr Trend...........Little change. * Max Humidity.............27 to 37 pct. * 24 hr Trend...........Little change. * Wind (20 ft/10-min avg)..West 10 to 15 mph, diminishing late. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. .SUNDAY... * Sky/Weather..............Sunny. * Max Temperature..........85 to 95 degs. * 24 hr Trend...........Little change. * Min Humidity.............6 to 14 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. * Mixing Height............9071 ft agl. * Transport Winds..........West 13 to 18 knots. * Ventilation Category.....Excellent (163278 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .MONDAY...Mostly clear. Lows 51 to 61. Highs 84 to 94. West wind around 20 mph. Minimum Humidity 7 to 12 pct. .TUESDAY...Mostly clear. Lows 50 to 60. Highs 81 to 91. West wind around 20 mph. Minimum Humidity 5 to 12 pct. .WEDNESDAY...Clear. Lows 46 to 56. Highs 81 to 91. West wind around 15 mph. Minimum Humidity 4 to 9 pct. .THURSDAY...Clear. Lows 47 to 57. Highs 82 to 92. .FRIDAY...Mostly clear. Lows 48 to 58. Highs 82 to 92. NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL) $$ AZZ153-182230- 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- 351 AM MST Sat May 18 2024 .TODAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........74 to 84 degs. * 24 hr Trend...........Up 1 to 4 degs. * Min Humidity.............11 to 20 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the southwest in the afternoon. * 10000 ft MSL Wind........Southwest 10 to 15 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. * Mixing Height............10872 ft agl. * Transport Winds..........West 12 to 17 knots. * Ventilation Category.....Excellent (184824 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear. * Min Temperature..........47 to 57 degs. * 24 hr Trend...........Little change. * Max Humidity.............30 to 40 pct. * 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..Northwest 10 to 15 mph, diminishing late. * 10000 ft MSL Wind........West 20 to 25 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. .SUNDAY... * Sky/Weather..............Sunny. * Max Temperature..........73 to 83 degs. * 24 hr Trend...........Down 1 to 4 degs. * Min Humidity.............8 to 16 pct. * 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........West 20 to 25 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. * Mixing Height............7638 ft agl. * Transport Winds..........West 18 to 21 knots. * Ventilation Category.....Excellent (160398 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .MONDAY...Mostly clear. Lows 45 to 55. Highs 71 to 81. West wind around 20 mph. Minimum Humidity 9 to 15 pct. .TUESDAY...Mostly clear. Lows 43 to 53. Highs 68 to 78. West wind around 20 mph. Minimum Humidity 7 to 12 pct. .WEDNESDAY...Clear. Lows 40 to 50. Highs 70 to 80. West wind around 15 mph. Minimum Humidity 6 to 11 pct. .THURSDAY...Clear. Lows 41 to 51. Highs 70 to 80. .FRIDAY...Mostly clear. Lows 42 to 52. Highs 71 to 81. NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL) $$ AZZ154-182230- Arizona Fire Weather Zone 154 Forest Woodlands FDRA including the Sky Islands of Southeast Arizona above 5500 feet-Coronado NF-TDC- 351 AM MST Sat May 18 2024 .TODAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........75 to 85 degs. * 24 hr Trend...........Up 3 to 6 degs. * Min Humidity.............11 to 21 pct. * 24 hr Trend...........Down 2 to 5 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 10 to 15 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. * Mixing Height............13642 ft agl. * Transport Winds..........West 11 to 15 knots. * Ventilation Category.....Excellent (177346 knot-ft). .TONIGHT... * Sky/Weather..............Mostly clear. * Min Temperature..........50 to 60 degs. * 24 hr Trend...........Little change. * Max Humidity.............25 to 35 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 20 to 25 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............4 or low. .SUNDAY... * Sky/Weather..............Mostly sunny. * Max Temperature..........75 to 85 degs. * 24 hr Trend...........Little change. * Min Humidity.............7 to 17 pct. * 24 hr Trend...........Down 1 to 4 pct. * Wind (20 ft/10-min avg)..West 10 to 15 mph. * 10000 ft MSL Wind........Southwest 15 to 20 mph. * Chance of Precip.........0 pct. * LAL......................1. * Haines Index.............5 or moderate. * Mixing Height............10185 ft agl. * Transport Winds..........West 13 to 18 knots. * Ventilation Category.....Excellent (157867 knot-ft). .FORECAST DAYS 3 THROUGH 7... WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG .MONDAY...Mostly clear. Lows 49 to 59. Highs 74 to 84. West wind around 20 mph. Minimum Humidity 8 to 16 pct. .TUESDAY...Mostly clear. Lows 47 to 57. Highs 71 to 81. West wind around 20 mph. Minimum Humidity 6 to 14 pct. .WEDNESDAY...Clear. Lows 44 to 54. Highs 70 to 80. Southwest wind around 15 mph. Minimum Humidity 5 to 12 pct. .THURSDAY...Clear. Lows 44 to 54. Highs 70 to 80. .FRIDAY...Mostly clear. Lows 45 to 55. Highs 71 to 81. 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