241
FNUS75 KTWC 240925
FWSTWC

Spot Forecast for ODonnell Rx...USFS
National Weather Service Tucson AZ
225 AM MST Sat Jan 24 2026

Forecast is based on ignition time of 0600 MST on January 24.

.DISCUSSION...The storm system that resulted in some rain on Friday
will continue to impact the Rx site today. Shower activity will be
on and off this morning then become more persistent during the afternoon
and into tonight. Winds will mainly be from the west to southwest with
occasional gusts around 15 to 20 mph. We can`t rule out a thunderstorm
or two embedded within the shower activity today and tonight as well.
Precipitation will end early Sunday morning with dry conditions returning.

.TODAY...

Sky/weather.........Mostly cloudy. Chance of rain showers in the morning,
                    then rain showers and chance of thunderstorms
                    in the afternoon.
Chance of pcpn......40 percent increasing to 90 percent.
Max temperature.....53-56 degrees.
Min humidity........69-72 percent.
20-foot winds.......Southwest winds 5 to 8 mph with gusts to around
                    16 mph shifting to the west 7 to 12 mph with
                    gusts to around 17 mph late in the afternoon.
Mixing height.......2600 ft AGL increasing to 2800 ft AGL in the
                    afternoon.
Transport winds.....West 5 to 12 knots.
Smoke dispersal.....Poor (3700 knot-ft) early in the morning
                    increasing to fair (22400 knot-ft) in the afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........91        91        79        90
Weather cov.....CHANCE    CHANCE    CHANCE    DEFNTE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........                    S CHC     S CHC
CWR.............40        50        50        80
Temp............42        47        51        51
RH..............99        93        79        73
20 FT wind......SW 4G6    SW 4G6    W 7G13    W 9G17
Mix hgt (ft)....800       1200      2600      2600
Transport wind..SW 5      S 5       W 8  late in
                    the night increasing to fair (24900 knot-ft)
                    overnight, then decreasing to fair (20900
                    knot-ft) early in the evening      W 12
Vrate kt-ft/1K..4         6         21        31
Ventrate Cat....POOR      POOR      FAIR      FAIR

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy. Rain
                    showers and chance of thunderstorms.
Chance of pcpn......90 percent decreasing to 20 percent.
Min temperature.....32-35 degrees.
Max humidity........97-100 percent.
20-foot winds.......West winds 8 to 13 mph. Gusts up to 23 mph.
Mixing height.......800 ft AGL.
Transport winds.....West 12 to 20 knots.
Smoke dispersal.....Fair (25500 knot-ft) in the evening decreasing to
                    marginal (13400 knot-ft) late in the night
                    after 3 am.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........90        94        94        74
Weather cov.....DEFNTE    DEFNTE    DEFNTE    LIKELY
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........CHANCE    CHANCE    CHANCE    S CHC
CWR.............90        90        90        60
Temp............46        43        41        39
RH..............86        97        99        100
20 FT wind......W 9G17    W 11G18   W 11G18   W 11G16
Mix hgt (ft)....1500      1100      1500      1400
Transport wind..W 12      W 16      W 19      W 20
Vrate kt-ft/1K..19        18        29        28
Ventrate Cat....MRGL      MRGL      FAIR      FAIR

.SUNDAY...

Sky/weather.........Mostly sunny. Slight chance of rain showers
                    early in the morning.
Chance of pcpn......20 percent decreasing to 0 percent early in the
                    morning.
Max temperature.....52-55 degrees.
Min humidity........35-38 percent.
20-foot winds.......West winds 6 to 11 mph.
Mixing height.......2500 ft AGL increasing to 4500 ft AGL late in
                    the morning.
Transport winds.....West 7 to 14 knots.
Smoke dispersal.....Poor (7500 knot-ft) early in the morning
                    increasing to fair (27300 knot-ft) in the
                    afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........48        50        8         8
Weather cov.....S CHC
Weather type....RNSHWR    NONE      NONE      NONE
Tstm cov........
CWR.............20        0         0         0
Temp............35        40        49        53
RH..............100       89        51        36
20 FT wind......W 8G13    W 6G10    W 7G13    NW 8G14
Mix hgt (ft)....800       1700      3700      4100
Transport wind..W 14      W 10      NW 8      NW 9
Vrate kt-ft/1K..11        17        30        32
Ventrate Cat....MRGL      MRGL      FAIR      FAIR

$$
Forecaster...LADER
Requested by...Wes Gutweiler
Type of request...PRESCRIBED
.TAG 2600079.5/TWC
.DELDT 01/24/26
.FormatterVersion 2.0.0
.EMAIL wesley.gutweiler@usda.gov

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