066
FNUS75 KTWC 162105
FWSTWC
SPOT FORECAST FOR CATALINA PILES...USFS
NATIONAL WEATHER SERVICE TUCSON AZ
205 PM MST SUN NOV 16 2025
FORECAST IS BASED ON IGNITION TIME OF 0200 MST ON NOVEMBER 17.
DISCUSSION
A STORM SYSTEM WILL EXIT THE AREA TONIGHT, WITH
ANOTHER STORM SYSTEM BEGINNING TO MOVE INTO THE REGION MONDAY
NIGHT INTO TUESDAY, PERSISTING INTO THURSDAY. THIS NEXT SYSTEM
WILL BRING PRECIPITATION WHICH MAY START AS EARLY AS LATE
AFTERNOON/EARLY EVENING ON MONDAY (10 PERCENT). THE NEXT SYSTEM
WILL BE COLDER AND SNOW LEVELS WILL LOWER DOWN TO AROUND 8500
FEET TUESDAY AFTERNOON AND 7500 FEET WEDNESDAY. THE HIGHEST
PRECIPITATION CHANCES WILL BE IN THE LATE TUESDAY THROUGH LATE
WEDNESDAY TIME FRAME. THERE WILL ALSO BE A SLIGHT CHANCE OF
THUNDERSTORMS TUESDAY AND WEDNESDAY. BREEZY SOUTH TO SOUTHWEST
WINDS ARE EXPECTED TUESDAY AND WEDNESDAY.
TONIGHT
SKY/WEATHER.........BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS EARLY IN THE EVENING.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....35-38 DEGREES.
MAX HUMIDITY........90-93 PERCENT.
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH EARLY IN THE EVENING,
DIMINISHING TO 5 TO 10 MPH BY MID EVENING AND
BECOMING SOUTH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 13 KNOTS.
TIME (MST) 2 AM 5 AM
SKY (%).........33 33
WEATHER COV.....
WEATHER TYPE....NONE NONE
TSTM COV........
CWR.............0 0
TEMP............36 36
RH..............91 92
20 FT WIND......SW 6G8 S 6G8
MIX HGT (FT)....BLW100 BLW100
TRANSPORT WIND..SW 11 SW 12
MONDAY
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY LATE. SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT INCREASING TO 10 PERCENT LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....42-45 DEGREES.
MIN HUMIDITY........61-64 PERCENT.
20-FOOT WINDS.......SOUTH 3 TO 8 MPH IN THE MORNING, BECOMING
SOUTHWEST 7 TO 12 MPH IN THE AFTERNOON.
AFTERNOON GUSTS TO AROUND 20 MPH.
MIXING HEIGHT.......INCREASING TO 1500 IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST 9 TO 12 KNOTS.
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........28 22 45 56
WEATHER COV..... S CHC
WEATHER TYPE....NONE NONE NONE RNSHWR
TSTM COV........
CWR.............0 0 5 10
TEMP............38 39 42 43
RH..............93 70 65 62
20 FT WIND......SW 4 S 6 SSW 6G11 SW 8G17
MIX HGT (FT)....BLW100 300 1200 1300
TRANSPORT WIND..SW 11 S 9 SSW 10 SW 11
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS,
POSSIBLY MIXING WITH SNOW OVERNIGHT.
CHANCE OF PCPN......20 PERCENT INCREASING TO 30 PERCENT TOWARD
DAYBREAK.
MIN TEMPERATURE.....37-40 DEGREES.
MAX HUMIDITY........86-89 PERCENT.
20-FOOT WINDS.......SOUTHWEST 7 TO 12 MPH WITH GUSTS UP TO 22 MPH.
MIXING HEIGHT.......DECREASING TO 100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 16 KNOTS.
TIME (MST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........68 63 75 81
WEATHER COV.....S CHC S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSN RNSN
TSTM COV........
CWR.............20 20 20 30
TEMP............41 40 39 38
RH..............76 78 83 86
20 FT WIND......SW 8G17 SW 7G15 SW 8G17 SW 9G21
MIX HGT (FT)....800 200 BLW100 BLW100
TRANSPORT WIND..SW 11 SW 12 SW 13 SW 14
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE DAY, POSSIBLY MIXING WITH SNOW IN THE
MORNING AND AGAIN IN THE LATE AFTERNOON.
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
MAX TEMPERATURE.....39-42 DEGREES.
MIN HUMIDITY........71-74 PERCENT.
20-FOOT WINDS.......SOUTH TO SOUTHEAST 10 TO 15 MPH IN THE
MORNING, BECOMING SOUTH TO SOUTHWEST 15 TO 20
MPH IN THE AFTERNOON. GUSTS TO 30 MPH IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......INCREASING TO 500 FT AGL.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST 17 TO 20 KNOTS.
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........82 75 75 80
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSN RNSHWR RNSHWR RNSN
TSTM COV........ S CHC S CHC
CWR.............30 30 40 50
TEMP............39 40 41 37
RH..............84 74 72 85
20 FT WIND......S 11G20 SSE 14G24 SSW 13G20 SSW 15G25
MIX HGT (FT)....BLW100 BLW100 200 400
TRANSPORT WIND..S 15 S 17 S 18 S 18
FORECASTER...ZELL
REQUESTED BY...CHAD RICE
TYPE OF REQUEST...PRESCRIBED
.TAG 2526044.0/TWC
.DELDT 11/16/25
.FORMATTERVERSION 2.0.0
.EMAIL CHAD.RICE@USDA.GOV
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