784
FNUS75 KTWC 271250
FWSTWC

Spot Forecast for Harrington...BIA
National Weather Service Tucson AZ
550 AM MST Wed Aug 27 2025

Forecast is based on forecast start time of 0600 MST on August 27.

.DISCUSSION...Chance of afternoon showers and thunderstorms both days.
Winds will generally be light and terrain driven, but gusty and
erratic winds of 35-45 mph will be possible with any thunderstorm.

.TODAY...

Sky/weather.........Mostly sunny. Partly cloudy in the afternoon with
                    a chance of showers and thunderstorms.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....76-79 degrees.
Min humidity........28-31 percent.
20-foot winds.......Light winds shifting to the southwest 5 to 7 mph
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......1900 ft AGL increasing to 8400 ft AGL in the
                    afternoon.
Transport winds.....North 5 to 6 knots shifting to the west 6 to 9
                    knots in the late morning and afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........33        15        20        39
Weather cov.....                    S CHC     CHANCE
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    S CHC     CHANCE
CWR.............0         0         20        30
Temp............50        67        73        74
RH..............98        53        36        32
20 FT wind......NE 1G5    SW 2G6    W 5G10    W 5G11
Mix hgt (ft)....500       4500      7800      7900
Transport wind..N 6       W 6       W 8       W 9

.TONIGHT...

Sky/weather.........Partly cloudy.
Chance of pcpn......0 percent.
Min temperature.....51-54 degrees.
Max humidity........75-78 percent.
20-foot winds.......Northwest winds 5 to 6 mph shifting to the
                    northeast up to 5 mph in the late evening and
                    overnight.
Mixing height.......4000 ft AGL decreasing to 400 ft AGL.
Transport winds.....Northwest 7 to 10 knots shifting to the
                    northeast 6 to 7 knots after 3 am.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........37        46        44        55
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Temp............72        63        59        56
RH..............37        53        62        66
20 FT wind......W 4G11    N 2G8     N 2G6     NE 2G6
Mix hgt (ft)....4000      500       400       500
Transport wind..W 10      N 7       N 7       NE 6

.THURSDAY...

Sky/weather.........Sunny then becoming partly cloudy. Chance of
                    showers and thunderstorms in the afternoon.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....78-81 degrees.
Min humidity........27-30 percent.
20-foot winds.......Northeast winds up to 5 mph shifting to the
                    west 5 to 7 mph in the afternoon. Gusty and
                    erratic winds expected near thunderstorms in
                    the afternoon.
Mixing height.......2000 ft AGL increasing to 8600 ft AGL.
Transport winds.....Northeast around 7 knots shifting to the
                    west around 6 knots in the afternoon.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........27        17        55        57
Weather cov.....                    CHANCE    CHANCE
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    CHANCE    CHANCE
CWR.............0         0         30        30
Temp............52        71        77        78
RH..............76        39        30        29
20 FT wind......NE 2G6    N 2G6     SW 4G10   W 5G11
Mix hgt (ft)....500       4900      8000      8500
Transport wind..NE 7      S 6       SW 5      W 6

$$
Forecaster...FIRE WX FORECASTER
Requested by...IC
Type of request...WILDFIRE
.TAG 2520567.3/TWC
.DELDT 08/27/25
.FormatterVersion 2.0.0
.EMAIL azphc@firenet.gov,charles.patterson@forestry.scat-nsn.gov

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