Spot Forecast
Issued by NWS Tucson, AZ

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764
FNUS75 KTWC 281252
FWSTWC

Spot Forecast for Harrington...BIA
National Weather Service Tucson AZ
552 AM MST Thu Aug 28 2025

Forecast is based on forecast start time of 0600 MST on August 28.

.DISCUSSION...Cloud cover may keep the chances of afternoon showers
thunderstorms on the low side. More sun is expected on Friday for a
better chance of showers and thunderstorms. Winds will generally be
light and terrain driven, but gusty and erratic winds to 35 mph will
be possible near any thunderstorms.

.TODAY...

Sky/weather.........Partly to mostly cloudy. Chance of showers and
                    thunderstorms in the afternoon.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....79-82 degrees.
Min humidity........25-28 percent.
20-foot winds.......Northeast winds up to 5 mph shifting to the
                    southwest 5 to 8 mph in the afternoon. Gusty
                    and erratic winds possible near afternoon
                    thunderstorms.
Mixing height.......1200 ft AGL increasing to 8700 ft AGL.
Transport winds.....Northeast 6 to 8 knots shifting to the
                    southwest 6 to 7 knots in the afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........57        40        51        65
Weather cov.....                    S CHC     CHANCE
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    S CHC     CHANCE
CWR.............0         0         20        30
Temp............53        72        79        79
RH..............72        37        28        27
20 FT wind......NE 2G7    S 2G6     SW 4G8    W 4G10
Mix hgt (ft)....500       4900      8400      8700
Transport wind..NE 7      S 6       SW 7      SW 7

.TONIGHT...

Sky/weather.........Partly cloudy. Slight chance of showers
                    and thunderstorms in the evening.
Chance of pcpn......20 percent in the evening.
Min temperature.....53-56 degrees.
Max humidity........73-76 percent.
20-foot winds.......West winds up to 5 mph shifting to the
                    northeast after midnight.
Mixing height.......4800 ft AGL decreasing to 400 ft AGL.
Transport winds.....West 8 to 9 knots shifting to the north
                    6 to 8 knots overnight.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........42        48        32        44
Weather cov.....S CHC     S CHC
Weather type....RNSHWR    RNSHWR    NONE      NONE
Tstm cov........S CHC     S CHC
CWR.............20        10        0         0
Temp............77        66        61        57
RH..............32        46        58        64
20 FT wind......W 3G10    NW 2G7    N 2G6     N 2G6
Mix hgt (ft)....4800      400       500       500
Transport wind..W 8       W 9       NW 7      N 7

.FRIDAY...

Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms late in the morning.
Chance of pcpn......50 percent in the afternoon.
Max temperature.....80-83 degrees.
Min humidity........26-29 percent.
20-foot winds.......North winds up to 5 mph shifting to the west
                    5 to 7 mph in the afternoon. Gusty and
                    erratic winds possible near thunderstorms
                    in the afternoon.
Mixing height.......1700 ft AGL increasing to 8400 ft AGL.
Transport winds.....Northwest 7 to 8 knots shifting to the west
                    7 to 10 knots in the afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........44        17        67        67
Weather cov.....                    CHANCE    CHANCE
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    CHANCE    CHANCE
CWR.............0         0         50        50
Temp............54        72        79        80
RH..............74        40        30        27
20 FT wind......N 2G6     NW 3G7    W 6G11    W 6G14
Mix hgt (ft)....500       4600      7800      8400
Transport wind..N 7       W 8       W 7       W 9

$$
Forecaster...FIRE WX FORECASTER
Requested by...IC
Type of request...WILDFIRE
.TAG 2520567.4/TWC
.DELDT 08/28/25
.FormatterVersion 2.0.0
.EMAIL charles.patterson@forestry.scat-nsn.gov,azphc@firenet.gov

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