326
FNUS74 KEWX 011055
FWSEWX

Spot Forecast for River Bluff Fire...TFS
National Weather Service Austin/San Antonio TX
555 AM CDT Tue Sep 1 2026

Forecast is based on forecast start time of 0500 CDT on September 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Excellent humidity recovery has been observed this morning as light
easterly winds have kept low-level moisture in place. It will be hot
again with an afternoon high temperature around 99 degrees along with
minimum humidity levels near 30 percent. Some brief, gusty winds are
possible this evening, with wind speeds expected to ease around
Midnight. A similar weather pattern remains intact on Wednesday with
more hot temperatures in the forecast. In addition, wind speeds may
ease slightly on Wednesday as dry conditions continue.

.TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Max temperature.....Around 99.
Min humidity........30 percent.
Eye level winds.....Light east winds becoming southeast at
                    4 to 6 mph in the afternoon.
Wind (20 ft)........
 Slope/valley.......Light east winds becoming southeast at
                    5 to 8 mph in the afternoon.
Mixing height.......Increasing to 8200 ft AGL.
Transport winds.....Southeast 3 to 10 mph.
Smoke dispersal.....Poor (1900 knot-ft) early in the morning
                    increasing to good (49900 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........18  13  28  16  2   1   2   3   7   15  26  40
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............75  74  76  79  83  87  91  94  96  97  99  98
RH..............97  100 94  85  72  59  49  41  38  35  31  30
20 FT wind dir..E   E   E   SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..2   2   2   3   3   3   5   5   5   5   5   6
20 FT wind gust.5   5   5   5   6   7   8   9   9   9   10  10
Eye lvl wnd dir.E   E   E   SE  SE  SE  SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.1   1   1   2   2   2   3   3   3   3   3   4
Eye lvl wnd gst.3   3   3   3   4   4   5   5   5   5   6   6
Mix hgt (kft)...0.5 0.5 0.9 1.9 2.3 3.4 5.5 6.6 7.1 8.3 8.9 7.6
Transp wind dir.SE  SE  SE  SE  SE  SE  E   E   E   E   E   E
Transp wind spd.6   5   3   3   3   5   5   6   7   8   9   10
Vrate kt-ft/1K..2   2   3   9   12  17  24  33  39  42  44  50
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  FR  FR  FR

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Min temperature.....Around 75.
Max humidity........87 percent.
Eye level winds.....Southeast 5 to 7 mph with gusts up to 12 mph
                    in the evening. Winds decreasing to 3 to 5 mph
                    overnight.
Wind (20 ft)........
 Slope/valley.......Southeast 7 to 9 mph with gusts up to 14 mph
                    in the evening. Winds decreasing to 4 to 6 mph
                    overnight.
Mixing height.......500 ft AGL.
Transport winds.....East 10 to 13 mph shifting to the south 7 to 12
                    mph overnight.
Smoke dispersal.....Excellent (60700 knot-ft) early in the evening
                    decreasing to poor (2300 knot-ft) late in the
                    night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........35  32  20  11  24  26  17  11  7   9   9   12
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............98  96  93  90  88  86  83  81  79  79  78  77
RH..............32  35  40  45  52  57  63  69  74  74  79  82
20 FT wind dir..E   E   E   E   E   E   SE  SE  SE  SE  SE  SE
20 FT wind spd..6   7   8   8   8   8   7   6   5   5   3   3
20 FT wind gust.12  12  14  14  13  12  10  10  9   9   7   5
Eye lvl wnd dir.E   E   E   E   E   E   SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.4   4   5   5   5   5   4   4   3   3   2   2
Eye lvl wnd gst.7   7   7   7   8   7   6   6   5   5   4   3
Mix hgt (kft)...5.2 4.0 3.2 1.7 0.9 0.9 0.7 0.7 0.7 0.6 0.6 0.5
Transp wind dir.E   E   E   E   SE  SE  SE  S   S   S   S   S
Transp wind spd.10  12  12  13  13  13  12  12  10  9   8   7
Vrate kt-ft/1K..61  40  9   7   12  12  9   7   6   4   3   2
Ventrate Cat....GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.WEDNESDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Max temperature.....Around 100.
Min humidity........29 percent.
Eye level winds.....Southeast winds 3 to 5 mph.
Wind (20 ft)........
 Slope/valley.......Southeast winds 4 to 6 mph.
Mixing height.......8600 ft AGL.
Transport winds.....South 5 to 8 mph.
Smoke dispersal.....Poor (1700 knot-ft) early in the morning
                    increasing to good (47600 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........26  8   15  9   2   15  2   6   9   6   9   5
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............76  75  77  80  84  88  91  94  97  98  98  100
RH..............85  87  85  79  70  57  50  43  38  30  29  29
20 FT wind dir..SE  SE  SE  S   S   S   S   S   S   SE  SE  SE
20 FT wind spd..2   2   2   2   3   5   5   3   3   3   5   5
20 FT wind gust.5   3   5   5   7   8   8   8   8   8   9   9
Eye lvl wnd dir.SE  SE  SE  S   S   S   S   S   S   SE  SE  SE
Eye lvl wnd spd.1   1   1   1   2   3   3   2   2   2   3   3
Eye lvl wnd gst.3   2   3   3   4   5   5   5   5   5   5   5
Mix hgt (kft)...0.5 0.4 0.9 1.7 2.2 3.4 5.9 7.2 7.5 8.2 8.6 8.4
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.6   5   5   5   5   5   6   6   6   7   7   8
Vrate kt-ft/1K..2   2   5   14  18  25  33  36  42  45  43  48
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  FR  FR  FR  FR

$$
Forecaster...24
Requested by...ac
Type of request...WILDFIRE
.TAG 2621016.0/EWX
.DELDT 09/01/26
.FormatterVersion 2.0.0
.EMAIL csdispatch@tfs.tamu.edu