Spot Forecast
Issued by NWS Tucson, AZ

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387
FNUS75 KTWC 100311
FWSTWC

Spot Forecast for Lookout Fire...USFS
National Weather Service Tucson AZ
811 PM MST Sat Aug 9 2025

Forecast is based on forecast start time of 0500 MST on August 10.

.DISCUSSION...
Moisture has slowly increased over the last couple of days at the
wildfire location, resulting in higher daytime and overnight
humidities along with modestly cooler temperatures. That trend
should continue the next few days, with the potential for daily
afternoon and evening showers and thunderstorms. Winds should
generally be out of the north to northwest through Monday, except
gusty and erratic winds possible near thunderstorms.

.SUNDAY...

Sky/weather.........Sunny then becoming mostly cloudy. Showers and
                    thunderstorms likely after 1200.
Chance of pcpn......0 percent increasing to 70 percent after 1200.
Max temperature.....73-76 degrees.
Min humidity........27-30 percent.
20-foot winds.......North to northwest winds 5 to 10 mph.
Mixing height.......1500 ft AGL increasing to 9000 ft AGL in the
                    afternoon.
Transport winds.....North 8 to 10 knots shifting to the northwest 8
                    to 14 knots late in the afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........33        13        77        80
Weather cov.....          S CHC     LIKELY    LIKELY
Weather type....NONE      RNSHWR    RNSHWR    RNSHWR
Tstm cov........          S CHC     LIKELY    LIKELY
CWR.............0         10        70        70
Temp............56        68        71        68
RH..............57        36        28        33
20 FT wind......NE 5G10   N 5G10    NW 6G12   NW 6G13
Mix hgt (ft)....BLW100    4900      9200      6600
Transport wind..N 8       NW 9      N 10      NW 11

.SUNDAY NIGHT...

Sky/weather.........Mostly cloudy then partial clearing overnight.
                    Chance of showers and thunderstorms in the
                    evening.
Chance of pcpn......40 percent decreasing to 10 percent.
Min temperature.....51-54 degrees.
Max humidity........64-67 percent.
20-foot winds.......Northwest winds 5 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    evening.
Mixing height.......8000 ft AGL decreasing to 100 ft AGL early in
                    the evening.
Transport winds.....Northwest 6 to 13 knots.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........60        67        57        49
Weather cov.....CHANCE    S CHC
Weather type....RNSHWR    RNSHWR    NONE      NONE
Tstm cov........CHANCE    S CHC
CWR.............40        20        10        10
Temp............65        59        57        55
RH..............39        50        54        62
20 FT wind......NW 6G13   NW 5G11   NW 5G11   W 5G11
Mix hgt (ft)....2500      BLW100    BLW100    BLW100
Transport wind..NW 11     N 9       NW 9      W 9

.MONDAY...

Sky/weather.........Sunny then becoming partly sunny. Chance of
                    showers and thunderstorms after 1200.
Chance of pcpn......10 percent increasing to 50 percent in the
                    afternoon.
Max temperature.....74-77 degrees.
Min humidity........22-25 percent.
20-foot winds.......West winds 5 to 10 mph. Gusty and erratic winds
                    expected near thunderstorms late in the
                    morning.
Mixing height.......1200 ft AGL increasing to 11000 ft AGL in the
                    afternoon.
Transport winds.....Northwest 7 to 13 knots.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........19        10        67        67
Weather cov.....                    CHANCE    CHANCE
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    CHANCE    CHANCE
CWR.............10        10        50        50
Temp............56        66        72        72
RH..............60        38        24        24
20 FT wind......NW 5G10   W 5G11    W 6G13    W 6G14
Mix hgt (ft)....BLW100    3800      11200     10100
Transport wind..NW 7      NW 13     N 12      N 9

$$
Forecaster...DANG
Requested by...Devon Olson
Type of request...WILDFIRE
.TAG 2519376.4/TWC
.DELDT 08/09/25
.FormatterVersion 2.0.0
.EMAIL devon.olson@usda.gov

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