977
FNUS75 KTWC 192301
FWSTWC

Spot Forecast for ASH...San Carlos Agency
National Weather Service Tucson AZ
401 PM MST Tue Aug 19 2025

Forecast is based on forecast start time of 1600 MST on August 19.

.DISCUSSION...

Showers and thunderstorms are currently developing in the White
Mountains with activity and coverage expected to increase over
this afternoon and evening, with the best chances now to 9 PM
MST. Winds will generally be light and terrain driven, but gusty
and erratic winds of 35-45 mph will be possible with any
thunderstorm. Periods of heavy rainfall will be likely with any
storm. Min RHs will generally in the mid to upper 20s with good
overnight recoveries to the mid to upper 60s.

.REST OF TODAY...

Sky/weather.........Mostly cloudy. Showers and thunderstorms likely
                    late in the afternoon.
Chance of pcpn......60 percent decreasing to 50 percent late in the
                    afternoon.
Max temperature.....90-93 degrees.
Min humidity........29-32 percent.
20-foot winds.......Southeast winds 5 to 9 mph shifting to the
                    northeast 5 to 8 mph late in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms.
Mixing height.......5300 ft AGL.
Transport winds.....Northeast 7 to 8 knots.

TIME (MST)      4 PM
Sky (%).........74
Weather cov.....LIKELY
Weather type....RNSHWR
Tstm cov........LIKELY
CWR.............60
Temp............86
RH..............35
20 FT wind......SE 6G10
Mix hgt (ft)....5300
Transport wind..NE 8

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers and thunderstorms in the
                    evening.
Chance of pcpn......50 percent decreasing to 10 percent.
Min temperature.....69-72 degrees.
Max humidity........58-61 percent.
20-foot winds.......East winds 5 to 10 mph. Gusty and erratic winds
                    expected near thunderstorms in the evening.
Mixing height.......900 ft AGL.
Transport winds.....Northeast 8 to 14 knots shifting to the east 6
                    to 10 knots in the late evening and overnight.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........87        89        60        41
Weather cov.....CHANCE    CHANCE
Weather type....RNSHWR    RNSHWR    NONE      NONE
Tstm cov........CHANCE    CHANCE
CWR.............50        30        10        10
Temp............81        76        74        72
RH..............45        51        51        56
20 FT wind......NE 5G10   NE 6G10   E 6G12    E 6G11
Mix hgt (ft)....1200      1000      1000      1000
Transport wind..N 8       NE 10     E 6       E 7

$$
Forecaster...TETRAULT
Requested by...Alyssa Lynch
Type of request...WILDFIRE
.TAG 2520258.0/TWC
.DELDT 08/19/25
.FormatterVersion 2.0.0
.EMAIL Azphc@firenet.gov

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