528
FNUS75 KPSR 151838
FWSPSR

Spot Forecast for Tonto Basin Misc. Piles RX...USFS
National Weather Service Phoenix AZ
1138 AM MST Wed Oct 15 2025

Forecast is based on ignition time of 0800 MST on October 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry conditions and clear skies will prevail throughout the day
Thursday. Winds will generally be light under 15 mph and follow
the typical diurnal trend. Afternoon MinRHs will drop in the mid
to upper 20s with good overnight recoveries of over 50%.

Note...Additional Fire Weather Forecast information can be found
in the Area Forecast Discussion. See product PHXAFDPSR.

.THURSDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 77.
Min humidity........23-28 percent.
Wind (20 ft)........North winds 5 to 10 mph shifting to the south
                    late in the morning, then shifting to the
                    southwest 5 to 11 mph late in the afternoon.

TIME (MST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   5   5   5   6   11  8   4   8   5
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0
Temp............53  59  63  67  70  74  75  76  77  75
RH..............70  57  46  40  35  28  27  26  25  27
20 FT wind dir..N   N   N   SE  SE  S   S   SW  SW  W
20 FT wind spd..3   2   1   1   1   2   2   3   5   6
20 FT wind gust.8   6   5   3   5   6   8   10  12  13

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 52.
Max humidity........54-59 percent.
Wind (20 ft)........West winds 5 to 10 mph shifting to the
                    northeast late in the evening.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   6   10  8   5   3   3   3   4   4   5   5
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............74  71  68  66  64  62  61  60  59  57  56  54
RH..............28  31  33  36  38  41  42  42  42  42  43  44
20 FT wind dir..SW  W   NW  NW  N   N   N   NE  NE  NE  NE  NE
20 FT wind spd..5   5   6   6   5   5   5   5   5   5   3   3
20 FT wind gust.12  12  12  12  10  10  10  9   9   9   8   8

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 77.
Min humidity........22-27 percent.
Wind (20 ft)........Northeast winds 5 to 10 mph shifting to the
                    south late in the morning, then shifting to the
                    southwest in the afternoon.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5   4   3   2   2   2   3   3   4   3   2   2
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............54  53  52  58  63  68  71  74  77  76  76  75
RH..............47  51  56  47  40  33  30  26  24  25  26  27
20 FT wind dir..NE  NE  NE  E   SE  S   S   SW  SW  SW  SW  SW
20 FT wind spd..3   3   3   3   2   2   2   2   2   3   3   5
20 FT wind gust.8   8   8   7   6   5   6   7   9   10  12  13

$$
Forecaster...GL
Requested by...Justin Henderson
Type of request...PRESCRIBED
.TAG 2523678.0/PSR
.DELDT 10/15/25
.FormatterVersion 2.0.0
.EMAIL justin.henderson@usda.gov