857  
FNUS75 KTWC 141008  
FWSTWC  
 
SPOT FORECAST FOR HARRINGTON...SAN CARLOS AGENCY  
NATIONAL WEATHER SERVICE TUCSON AZ  
308 AM MST SUN SEP 14 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 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.  
   
REST OF 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) 7 AM 10 AM 1 PM 4 PM  
SKY (%).........8 6 7 9  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0  
TEMP............47 66 73 72  
RH..............57 29 22 23  
20 FT WIND......NE 2G7 SW 2G6 SW 6G11 W 7G12  
MIX HGT (FT)....300 5200 7200 6900  
TRANSPORT WIND..N 5 W 6 SW 6 W 7  
   
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 5 TO 8 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 3G10 N 4G6 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 10 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 4G10 SW 5G10  
MIX HGT (FT)....500 4200 7200 7900  
TRANSPORT WIND..NE 6 SW 6 SW 6 SW 6  
 

 
FORECASTER...HARDIN  
REQUESTED BY...CHARLES PATTERSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2521895.2/TWC  
.DELDT 09/14/25  
.FORMATTERVERSION 2.0.0  
.EMAIL AZPHC@FIRENET.GOV  
 
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON  
 
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