501  
FNUS74 KEWX 040953  
FWSEWX  
 
SPOT FORECAST FOR S270 FIELD DAY...AUSTIN PARKS AND RECREATION DEPT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
453 AM CDT THU JUN 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON JUNE 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
MOSTLY CLOUDY TO PARTLY CLOUDY SKIES ARE FORECAST FOR TODAY WITH  
HIGHS IN THE MID 80S. LIGHT EAST WINDS ARE FORECAST TO PREVAIL  
THROUGH THE PERIOD. MINIMUM RELATIVE HUMIDITY VALUES IN THE LOW  
70S. THERE ARE CHANCES FOR SHOWERS AND STORMS THROUGHOUT THE DAY  
FOR THE S270 FIELD DAY. CHANCES FOR SHOWERS AND STORMS LOWER THIS  
EVENING TO 20 PERCENT.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CWR.................3 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........72 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST UP TO 4 MPH IN THE  
AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 6 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING EAST 5 TO 6 MPH  
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE LATE MORNING AND  
AFTERNOON.  
MIXING HEIGHT.......4100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........81 79 81 81 71 48 51 51 46 57 48 35  
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............72 71 73 73 76 78 80 81 83 83 83 84  
RH..............93 97 90 97 87 85 79 77 72 74 74 72  
20 FT WIND DIR..E E E E E SE SE E SE E E SE  
20 FT WIND SPD..2 2 2 2 3 3 3 5 5 5 5 6  
20 FT WIND GUST.5 5 6 6 7 8 8 9 10 10 12 12  
EYE LVL WND DIR.E E E E E SE SE E SE E E SE  
EYE LVL WND SPD.1 1 1 1 2 2 2 3 3 3 3 4  
EYE LVL WND GST.3 3 4 4 4 5 5 5 6 6 7 7  
MIX HGT (KFT)...0.7 0.7 0.8 1.4 2.1 2.5 3.1 3.7 4.1 3.8 4.0 4.0  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE E  
TRANSP WIND SPD.7 6 5 6 8 8 8 8 9 8 9 10  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE EVENING.  
CWR.................3 PERCENT.  
MIN TEMPERATURE.....AROUND 72.  
MAX HUMIDITY........97 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 4 MPH IN THE EVENING  
BECOMING LIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 7 MPH IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 12 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 46 48 48 27 38 61 63 67 58 75 72  
WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC SCH SCH SCH  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............83 82 81 77 75 75 74 74 74 74 74 73  
RH..............74 77 79 88 94 94 93 93 93 93 90 93  
20 FT WIND DIR..SE SE E E SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 7 6 5 5 5 3 3 3 3 2 2  
20 FT WIND GUST.12 12 12 10 9 9 8 8 7 7 7 6  
EYE LVL WND DIR.SE SE E E SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.4 4 4 3 3 3 2 2 2 2 1 1  
EYE LVL WND GST.7 7 7 6 5 5 5 5 4 4 4 4  
MIX HGT (KFT)...3.4 1.8 0.5 0.2 0.5 0.5 0.6 0.7 0.7 0.6 0.6 0.5  
TRANSP WIND DIR.E E SE SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.9 12 8 8 10 12 12 12 10 8 7 7  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CWR.................2 PERCENT EARLY IN THE MORNING.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........74 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST UP TO 4 MPH LATE  
IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHEAST 5 TO 6  
MPH LATE IN THE MORNING. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 10 MPH.  
 
TIME (CDT) 6 AM 10 AM 2 PM  
SKY (%).........74 77 60  
WEATHER COV..... CHANCE  
WEATHER TYPE....NONE NONE RNSHWR  
TSTM COV........ CHANCE  
CWR.............0 M M  
TEMP............73 77 83  
RH..............93 88 74  
20 FT WIND......E 2G6 SE 3G8 SE 5G10  
EYE LEVEL WIND..E 1G4 SE 2G5 SE 3G6  
MIX HGT (FT)....500 2000 4300  
TRANSPORT WIND..SE 7 SE 10 SE 9  
 
 
FORECASTER...17  
REQUESTED BY...MATT MCCAW  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614892.0/EWX  
.DELDT 06/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATT.MCCAW@AUSTINTEXAS.GOV  
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