015
FNUS75 KTWC 312131
FWSTWC

Spot Forecast for MT FAGAN...TUCSON DISPATCH
National Weather Service Tucson AZ
231 PM MST Thu Jul 31 2025

Forecast is based on forecast start time of 1500 MST on July 31.

.DISCUSSION...

Chance for thunderstorms and showers now through 1900 MST. Gusty
and erratic winds expected near thunderstorms. Temperatures as of
1430 MST are around 95 degrees, which will be about the high
for today. Minimum humidity will be around 25 percent. Winds will
be from the southwest at 5 to 10 MPH. Tonight, the low temperature
will be around 74 degrees with a maximum RH around 52 percent.
Winds overnight will be from the southeast at 5 to 10 MPH. Tomorrow,
high temperature will be around 95 degrees with a minimum RH of 20
percent. Winds will be from the southeast shifting to the west in the
afternoon at 5 to 10 MPH. Slight chance for showers and thunderstorms
Friday afternoon.

.REST OF TODAY...

Sky/weather.........Partly sunny. Chance of showers and
                    thunderstorms.
Chance of pcpn......40 percent decreasing to 30 percent late in the
                    afternoon.
Max temperature.....90-95 degrees.
Min humidity........25-30 percent.
20-foot winds.......Southwest winds 5 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......7700 ft AGL decreasing to 5100 ft AGL late in
                    the afternoon.
Transport winds.....Southwest 8 to 9 knots.

TIME (MST)      3 PM
Sky (%).........65
Weather cov.....CHANCE
Weather type....RNSHWR
Tstm cov........CHANCE
CWR.............40
Temp............89
RH..............30
20 FT wind......SW 6G13
Mix hgt (ft)....7700
Transport wind..SW 8

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming mostly clear.
                    Chance of showers and thunderstorms in
                    the evening.
Chance of pcpn......30 percent decreasing to 10 percent.
Min temperature.....71-74 degrees.
Max humidity........52-55 percent.
20-foot winds.......Southwest winds 5 to 10 mph shifting to the
                    southeast overnight. Gusty and erratic winds
expected near thunderstorms in the evening.
Mixing height.......2600 ft AGL decreasing to 100 ft AGL.
Transport winds.....Southwest 6 to 9 knots shifting to the
                    southeast around 6 knots early in the morning.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........55        27        11        9
Weather cov.....CHANCE    S CHC
Weather type....RNSHWR    RNSHWR    NONE      NONE
Tstm cov........CHANCE    S CHC
CWR.............30        20        10        10
Temp............87        80        77        74
RH..............31        39        45        50
20 FT wind......SW 5G10   S 5G7     S 5G6     S 4G6
Mix hgt (ft)....2600      BLW100    BLW100    BLW100
Transport wind..W 9       SW 5      S 6       SE 5

.FRIDAY...

Sky/weather.........Sunny. Slight chance of showers and
                    thunderstorms in the afternoon.
Chance of pcpn......0 percent increasing to 20 percent.
Max temperature.....92-95 degrees.
Min humidity........20-24 percent.
20-foot winds.......Southeast winds 5 to 10 mph shifting to the west
                    late in the afternoon. Gusty and
                    erratic winds expected near thunderstorms.
Mixing height.......700 ft AGL increasing to 10100 ft AGL
                    decreasing to 7500 ft AGL late in the
                    afternoon.
Transport winds.....Southeast 5 to 7 knots shifting to the northwest
late in the afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........8         3         38        45
Weather cov.....                    S CHC     S CHC
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    S CHC     S CHC
CWR.............0         0         20        20
Temp............74        85        91        93
RH..............51        35        28        22
20 FT wind......SE 4G6    E 5G8     NE 5G12   N 5G11
Mix hgt (ft)....BLW100    2500      8400      9600
Transport wind..SE 6      E 7       S 5       W 5

$$
Forecaster...MALARKEY
Requested by...BRIANNA PARISE
Type of request...WILDFIRE
.TAG 2518957.0/TWC
.DELDT 07/31/25
.FormatterVersion 2.0.0
.EMAIL AZTDC@FIRENET.GOV

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