Spot Forecast
Issued by NWS Tucson, AZ

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603
FNUS75 KTWC 161139
FWSTWC

Spot Forecast for PIM-Bryce...USFS
National Weather Service Tucson AZ
439 AM MST Fri May 16 2025

Forecast is based on forecast start time of 0600 MST on May 16.

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

.DISCUSSION...

Light downslope winds early this morning will become upslope and
northwesterly late this morning. Winds late this morning through the
early evening will be 8 to 12 mph with a few afternoon gusts to
around 20 mph. Minimum relative humidity will drop to around 5 percent
this afternoon.

A dry weather system is expected to cross the region this weekend
and bring increased southwest to west winds and at least near critical
fire weather conditions each day. The strongest winds are most likely
Sunday with potentially critical fire weather conditions amid 20-25 mph
winds and 40-45 mph gusts. A Fire Weather Watch has been issued from late
Sunday morning through early Sunday evening. Another round of winds
and near to critical fire weather is likely on Monday.

.TODAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
Max temperature.....90-93 degrees.
Min humidity........5-8 percent.
20-foot winds.......Southeast winds around 5 mph in the morning
becoming upslope and northwesterly around 11 AM.
Winds 8 to 12 mph with a few gusts up to 20 mph
this afternoon.
Mixing height.......Increasing to 11700 ft AGL.
Transport winds.....Southeast 5 knots shifting to the
                    southwest 7 to 12 knots late in the morning.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........5         2         1         4
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Temp............53        73        85        90
RH..............23        12        8         6
20 FT wind......SE 5      SE 5      NW 6G10   NW 12G19
Mix hgt (ft)....800       3800      8100      10900
Transport wind..SE 5      SE 5      SW 10     SW 12

.TONIGHT...

Sky/weather.........Mostly clear.
Chance of pcpn......0 percent.
Min temperature.....54-57 degrees.
Max humidity........25-28 percent.
20-foot winds.......Northwest winds 8 to 12 mph with gusts to
                    around 20 mph in the evening shifting to
                    downslope/southeast 3 to 5 mph overnight.
Mixing height.......7900 ft AGL decreasing to 100 ft AGL.
Transport winds.....West 8 to 12 knots shifting to the north around
                    4 knots.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........17        18        6         4
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Temp............89        74        65        59
RH..............6         11        15        21
20 FT wind......NW 11G20  NW 8G15   NW 5      SE 3
Mix hgt (ft)....7900      100       100       100
Transport wind..W 11      NW 9      W 6       NW 4

.SATURDAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
Max temperature.....90-93 degrees.
Min humidity........4-7 percent.
20-foot winds.......Southeast winds around 5 to 7 mph shifting by the
early afternoon to the southwest 15 to 20 mph with
gusts to around 30 mph.
Mixing height.......Increasing to 11000 ft AGL.
Transport winds.....South around 6 knots early in the morning, shifting
to the southwest 16 to 21 knots late in the morning.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........13        3         7         17
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Temp............56        75        86        91
RH..............26        15        8         5
20 FT wind......SE 5      S 7       SW 11G19  SW 16G25
Mix hgt (ft)....1300      5700      10100     10800
Transport wind..S 6       S 6       SW 16     SW 19

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Clear. Lows in the lower 50s. Highs in the mid 80s. Northwest wind in the
morning becoming west 20 to 25 with gusts to 35 mph in the afternoon.
.MONDAY...
Clear.  Lows in the mid 50s. Highs in the mid 80s. Northwest winds around
15 to 20 mph.
.TUESDAY...
Clear. Lows in the lower 50s. Highs in the lower 90s. Northwest
winds around 9 mph.

$$
Forecaster...EDWARDS
Requested by...Wes Gutweiler
Type of request...WILDFIRE
.TAG 2513949.5/TWC
.DELDT 05/16/25
.FormatterVersion 2.0.0
.EMAIL wesley_gutweiler@firenet.gov

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