445  
FNUS75 KTWC 141006  
FWSTWC  
 
SPOT FORECAST FOR HARRINGTON...AZ-SCA  
NATIONAL WEATHER SERVICE TUCSON AZ  
306 AM MST SUN SEP 14 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MST ON SEPTEMBER 14.  
   
DISCUSSION  
EXPECT DRY CONDITIONS TODAY AND MONDAY AS DRYER AIR MOVES  
IN. MIN RH WILL BE IN THE LOW 20S WITH OVERNIGHT RECOVERIES IN THE UPPER  
50S. WINDS WILL FOLLOW A DIURNAL TREND OF NORTHEAST OVERNIGHT, THEN  
VEERING SOUTH IN THE MORNING, AND SOUTHWEST BY THE AFTERNOON AND  
EARLY EVENING. SPEEDS GENERALLY 5 TO 10 MPH WITH OCCASIONAL AFTERNOON  
GUSTS.  
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....73-76 DEGREES.  
MIN HUMIDITY........21-24 PERCENT.  
20-FOOT WINDS.......NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE  
SOUTHEAST MID MORNING, THEN SHIFTING TO THE  
SOUTHWEST 5 TO 10 MPH IN THE LATE MORNING  
AND AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL INCREASING TO 7300 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 6 KNOTS SHIFTING TO THE WEST 6 TO 8  
KNOTS IN THE LATE MORNING AND AFTERNOON.  
 
TIME (MST) 6 AM 9 AM NOON 3 PM  
SKY (%).........15 4 7 10  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0  
TEMP............44 63 72 73  
RH..............63 33 23 22  
20 FT WIND......NE 2G7 SE 2G6 SW 5G8 SW 7G12  
MIX HGT (FT)....500 4100 6500 7200  
TRANSPORT WIND..N 6 W 6 SW 6 W 8  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....46-49 DEGREES.  
MAX HUMIDITY........57-60 PERCENT.  
20-FOOT WINDS.......WEST WINDS UP TO 5 TO8 MPH SHIFTING TO THE  
NORTHEAST BY LATE EVENING INTO THE OVERNIGHT  
HOURS.  
MIXING HEIGHT.......3300 FT AGL DECREASING TO 400 FT AGL.  
TRANSPORT WINDS.....WEST 6 TO 8 KNOTS SHIFTING TO THE NORTH 6 TO 7  
KNOTS IN THE LATE EVENING AND OVERNIGHT.  
 
TIME (MST) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........4 14 11 13  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0  
TEMP............67 57 52 49  
RH..............28 39 46 51  
20 FT WIND......W 5G10 N 2G6 NE 4G7 NE 4G7  
MIX HGT (FT)....3300 400 500 500  
TRANSPORT WIND..W 8 NW 6 N 6 N 6  
   
MONDAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....75-78 DEGREES.  
MIN HUMIDITY........22-25 PERCENT.  
20-FOOT WINDS.......NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE  
SOUTH 5 TO 9 MPH MID MORNING, THEN SOUTHWEST  
LATE MORNING INTO THE AFTERNOON.  
MIXING HEIGHT.......800 FT AGL INCREASING TO 8400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 6 KNOTS SHIFTING TO THE  
SOUTHWEST 5 TO 7 KNOTS IN THE LATE MORNING AND  
AFTERNOON.  
 
TIME (MST) 6 AM 9 AM NOON 3 PM  
SKY (%).........18 8 11 14  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 10 10  
TEMP............47 66 74 76  
RH..............58 33 24 23  
20 FT WIND......NE 2G7 E 3G7 S 5G10 SW 7G12  
MIX HGT (FT)....500 4200 7200 7900  
TRANSPORT WIND..NE 6 SW 6 SW 6 SW 6  
 
 
FORECASTER...HARDIN  
REQUESTED BY...SCOTT PINA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2521926.0/TWC  
.DELDT 09/14/25  
.FORMATTERVERSION 2.0.0  
.EMAIL AZPHC@FIRENET.GOV  
 
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