Spot Forecast
Issued by NWS Austin/San Antonio, TX
Issued by NWS Austin/San Antonio, TX
285
FNUS74 KEWX 181058
FWSEWX
Spot Forecast for Clark...Texas A&M Forest Service
National Weather Service Austin/San Antonio TX
558 AM CDT Fri Sep 18 2026
Forecast is based on forecast start time of 0600 CDT on September 18.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
RH values will dip to as low as 45% this afternoon along with
light winds out of the southeast at 5-10 mph. Scattered showers
are expected along with increased cloud cover which should act to
keep RH values higher. RH values will rapidly recover by the
early evening hours. Temperatues still warm into the lower 90s
with a dry forecast this evening through tomorrow when the RH may
dip below 40% with less cloud cover and slightly warmer
temperatures.
.TODAY...
Sky/weather.........Partly sunny (45-55 percent). Slight chance of
showers and thunderstorms early in the
afternoon.
CWR.................3 percent.
Max temperature.....Around 93.
Min humidity........46 percent.
Eye level winds.....Southeast winds up to 5 mph.
Wind (20 ft)........
Slope/valley.......Southeast winds 5 to 7 mph. Gusty and erratic
winds expected near thunderstorms early in the
afternoon.
Mixing height.......4800 ft AGL.
Transport winds.....Southeast 7 to 10 mph.
Smoke dispersal.....Poor (9900 knot-ft) early in the morning
increasing to good (45300 knot-ft) in the
afternoon.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........35 53 48 45 48 50
Weather cov..... S CHC
Weather type....NONE NONE NONE NONE RNSHWR NONE
Tstm cov........ S CHC
CWR.............0 0 0 0 0 0
Temp............74 72 80 85 91 92
RH..............90 97 74 59 47 46
20 ft wind......SE 7 SE 6 SE 7 SE 6 SE 7 S 7
20 ft wind gust.14 12 12 10 12 13
Eye level wind..SE 4 SE 4 SE 4 SE 4 SE 4 S 4
Eye lvl wnd gst.8 7 7 6 7 8
Mix hgt (ft)....1000 1300 2000 3700 4400 4800
Transport wind..SE 10 SE 8 SE 7 SE 7 SE 7 SE 9
Vrate kt-ft/1K..11 10 22 34 38 45
Ventrate Cat....POOR POOR POOR POOR POOR FAIR
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
CWR.................3 percent.
Min temperature.....Around 71.
Max humidity........97 percent.
Eye level winds.....Southeast winds up to 5 mph.
Wind (20 ft)........
Slope/valley.......Southeast winds 6 to 7 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southeast 10 to 16 mph.
Smoke dispersal.....Good (47200 knot-ft) early in the evening
decreasing to poor (0 knot-ft) late in the
night.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........36 24 16 22 21 36
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............89 84 80 79 78 75
RH..............48 59 67 69 76 84
20 ft wind......SE 8 SE 7 SE 8 SE 7 SE 7 SE 8
20 ft wind gust.14 14 15 15 15 16
Eye level wind..SE 5 SE 4 SE 5 SE 4 SE 4 SE 5
Eye lvl wnd gst.8 8 9 9 9 10
Mix hgt (ft)....3100 2100 500 1200 1200 600
Transport wind..SE 10 SE 13 SE 15 S 16 S 16 S 15
Vrate kt-ft/1K..36 6 5 10 14 14
Ventrate Cat....POOR POOR POOR POOR POOR POOR
.SATURDAY...
Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Max temperature.....Around 94.
Min humidity........39 percent.
Eye level winds.....Southeast winds around 5 mph.
Wind (20 ft)........
Slope/valley.......South winds around 7 mph.
Mixing height.......6300 ft AGL.
Transport winds.....South 10 to 14 mph.
Smoke dispersal.....Poor (11200 knot-ft) early in the morning
increasing to good (52400 knot-ft) in the
afternoon.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........38 37 34 8 7 11
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............73 71 79 86 91 93
RH..............90 97 74 55 44 39
20 ft wind......SE 8 SE 8 S 8 S 8 S 8 S 8
20 ft wind gust.16 14 14 13 13 13
Eye level wind..SE 5 SE 5 S 5 S 5 S 5 S 5
Eye lvl wnd gst.10 8 8 8 8 8
Mix hgt (ft)....900 1300 2200 4300 5300 6300
Transport wind..S 14 S 13 S 12 S 10 S 10 S 12
Vrate kt-ft/1K..11 13 22 36 46 50
Ventrate Cat....POOR POOR POOR POOR FAIR FAIR
$$
Forecaster...34
Requested by...Robert Birch
Type of request...WILDFIRE
.TAG 2622111.0/EWX
.DELDT 09/18/26
.FormatterVersion 2.0.0
.EMAIL csdispatch@tfs.tamu.edu