317
FNUS74 KEWX 221034
FWSEWX

Spot Forecast for Onion Creek Rx...Austin Parks and Recreation Dept
National Weather Service Austin/San Antonio TX
534 AM CDT Thu May 22 2025

Forecast is based on ignition time of 0700 CDT on May 22.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

The low clouds stay through the morning period and then scatter out
in the afternoon. Today`s highs are expected to range from the mid
to upper 90s. Light winds are expected for the morning with speeds
around 6 to 8 mph in the afternoon. Minimum relative humidity are
forecasted to reach the mid to upper 30s from 4 PM to 8 PM this
evening. There is a slight chance for showers and storms early
evening.

.REST OF TODAY...

Sky/weather.........Partly sunny (55-65 percent) then becoming
                    sunny (10-20 percent).
CWR.................0 percent.
Max temperature.....Around 98.
Min humidity........34 percent.
Eye level winds.....South winds around 3 mph shifting to the
                    southeast up to 5 mph in the afternoon.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 7 mph early in the morning
                    becoming light, then becoming southeast 5 to 7
                    mph in the afternoon.
Mixing height.......7100 ft AGL.
Transport winds.....Southeast 7 to 14 mph.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85  69  66  51  33  21  9   6   7   7   12
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Temp............74  76  78  82  86  89  92  95  96  97  98
RH..............100 94  91  79  70  59  52  46  40  37  34
20 FT wind dir..S   S   S   S   S   SE  S   SE  SE  SE  SE
20 FT wind spd..2   2   2   3   5   6   6   6   7   8   8
20 FT wind gust.6   6   7   8   10  10  12  12  13  14  15
Eye lvl wnd dir.S   S   S   S   S   SE  S   SE  SE  SE  SE
Eye lvl wnd spd.1   1   1   2   3   4   4   4   4   5   5
Eye lvl wnd gst.4   4   4   5   6   6   7   7   8   8   9
Mix hgt (kft)...0.9 1.4 2.2 2.7 3.2 4.2 4.7 5.3 6.5 7.1 5.9
Transp wind dir.S   S   S   S   SE  SE  SE  SE  SE  SE  SE
Transp wind spd.7   7   7   7   8   8   9   10  12  13  14

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (70-80 percent). Slight chance of
                    showers and thunderstorms in the evening.
CWR.................7 percent.
Min temperature.....Around 73.
Max humidity........97 percent.
Eye level winds.....Southeast winds up to 5 mph shifting to the
                    northeast around 3 mph overnight, then shifting
                    to the south after 3 am.
Wind (20 ft)........
 Slope/valley.......Southeast winds 5 to 8 mph in the evening and
                    overnight becoming light. Gusty and erratic
                    winds expected near thunderstorms in the
                    evening.
Mixing height.......600 ft AGL.
Transport winds.....Southeast 8 to 15 mph.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7   15  26  34  34  43  38  26  36  66  80  80
Weather cov.....    SCH SCH SCH SCH SCH SCH
Weather type....    RW  RW  RW  RW  RW  RW
Tstm cov........    SCH SCH SCH SCH SCH SCH
CWR.............0   10  10  10  10  10  10  0   0   0   0   0
Temp............96  95  92  85  82  80  78  77  75  75  74  75
RH..............36  37  44  59  67  77  82  85  90  94  93  94
20 FT wind dir..SE  SE  SE  SE  SE  S   S   SE  NE  NE  S   S
20 FT wind spd..9   9   8   8   7   6   6   6   5   5   5   3
20 FT wind gust.16  15  15  14  14  13  12  10  9   9   9   9
Eye lvl wnd dir.SE  SE  SE  SE  SE  S   S   SE  NE  NE  S   S
Eye lvl wnd spd.5   5   5   5   4   4   4   4   3   3   3   2
Eye lvl wnd gst.10  9   9   8   8   8   7   6   5   5   5   5
Mix hgt (kft)...3.3 2.0 1.7 0.9 0.6 0.6 0.6 0.6 0.6 0.7 0.8 0.8
Transp wind dir.SE  SE  SE  SE  SE  SE  SE  SE  SE  S   S   S
Transp wind spd.15  15  15  14  13  12  10  9   9   8   8   9

.FRIDAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (25-35 percent).
CWR.................0 percent.
Max temperature.....Around 97.
Min humidity........39 percent.
Eye level winds.....South winds around 3 mph shifting to the
                    southeast in the late morning and afternoon.
Wind (20 ft)........
 Slope/valley.......South winds 5 to 8 mph early in the morning
                    becoming light, then becoming southeast 5 to 8
                    mph in the late morning and afternoon.
Mixing height.......6100 ft AGL.
Transport winds.....South 9 to 16 mph.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........83  80  80  64  69  46  30  13  12  10  9   12
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............73  75  75  78  82  86  89  91  94  96  97  97
RH..............97  90  94  85  74  65  59  54  48  43  40  39
20 FT wind dir..S   S   S   S   S   S   SE  SE  SE  SE  SE  SE
20 FT wind spd..3   3   5   6   6   7   7   8   9   9   10  10
20 FT wind gust.8   8   9   10  12  13  14  15  16  17  18  20
Eye lvl wnd dir.S   S   S   S   S   S   SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.2   2   3   4   4   4   4   5   5   5   6   6
Eye lvl wnd gst.5   5   5   6   7   8   8   9   10  10  11  12
Mix hgt (kft)...1.0 1.1 1.5 2.4 2.8 3.3 4.2 4.7 5.1 5.8 6.1 5.9
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.9   9   9   9   10  10  10  12  13  14  15  16

$$
Forecaster...17
Requested by...Matt McCaw
Type of request...PRESCRIBED
.TAG 2514428.0/EWX
.DELDT 05/22/25
.FormatterVersion 2.0.0
.EMAIL matt.mccaw@austintexas.gov