102
FNUS74 KEWX 122346
FWSEWX
SPOT FORECAST FOR FM 477...SAND HILLS VFD
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
646 PM CDT TUE AUG 12 2025
FORECAST IS BASED ON FORECAST START TIME OF 1900 CDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
VARIABLE WINDS OF 5-15 MPH ARE EXPECTED THROUGH SUNSET BEFORE
DROPPING OFF TO LESS THAN 5 MPH AND REMAINING VARIABLE. RH VALUES
SHOULD RISE QUICKLY ABOVE 75% AFTER SUNSET. THUNDERSTORMS WILL BE
POSSIBLE AGAIN ON WEDNESDAY, PRIMARILY IN THE AFTERNOON AND
EVENING HOURS. WINDS WILL BE VARIABLE AT LESS THAN 5 MPH IN THE
MORNING BUT INCREASE TO 5-15 MPH AGAIN WITH SOME OCCASIONAL GUSTS
OF 15-20 MPH POSSIBLE WEDNESDAY AFTERNOON AND EVENING. MUCH LOWER
CHANCES FOR RAIN AND STORMS ARE EXPECTED THURSDAY WITH HIGHS IN
THE UPPER 90S AND ABOUT A 10-15% CHANCE FOR SHOWERS AND STORMS IN
THE AFTERNOON.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........93 PERCENT.
EYE LEVEL WINDS.....EAST WINDS AROUND 4 MPH DECREASING TO AROUND 3
MPH LATE IN THE EVENING, THEN SHIFTING TO THE
SOUTH AROUND 4 MPH LATE IN THE EVENING SHIFTING
TO THE SOUTHWEST AROUND 3 MPH OVERNIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING SOUTHEAST AROUND
5 MPH LATE IN THE EVENING BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 8 TO 9 MPH SHIFTING TO THE SOUTH 9 TO 10
MPH LATE IN THE EVENING.
TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........81 72 63 67 70 74 51 28 23 14 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............93 89 86 84 82 81 80 80 79 78 77
RH..............41 49 57 64 70 74 77 78 79 82 85
20 FT WIND DIR..E E E E SE S S S SW S SW
20 FT WIND SPD..6 6 5 5 6 6 5 2 2 2 2
20 FT WIND GUST.9 7 7 7 8 8 6 7 6 6 6
EYE LVL WND DIR.E E E E SE S S S SW S SW
EYE LVL WND SPD.4 4 3 3 4 4 3 1 1 1 1
EYE LVL WND GST.5 4 4 5 5 4 4 4 4 4
MIX HGT (KFT)...2.7 2.1 1.0 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5
TRANSP WIND DIR.E E E SE SE S S S S S S
TRANSP WIND SPD.8 8 9 9 10 10 10 10 10 9 9
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................3 PERCENT.
MAX TEMPERATURE.....AROUND 97.
MIN HUMIDITY........45 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST AROUND 3 MPH
LATE IN THE AFTERNOON, THEN SHIFTING TO THE
EAST AROUND 4 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING EAST AROUND 5 MPH LATE IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 8 MPH SHIFTING TO THE SOUTHEAST 5 TO
6 MPH IN THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 7 20 16 25 19 16 22 33 45 45 43
WEATHER COV..... CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ CHC CHC CHC CHC CHC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 74 77 82 86 89 92 95 95 95 95 94
RH..............86 93 88 77 68 59 52 46 46 45 45 46
20 FT WIND DIR..S S S SW W W W SW S SE SE E
20 FT WIND SPD..2 2 2 2 2 3 3 2 3 3 5 6
20 FT WIND GUST.5 5 5 6 7 7 8 8 9 9 10 10
EYE LVL WND DIR.S S S SW W W W SW S SE SE E
EYE LVL WND SPD.1 1 1 1 1 2 2 1 2 2 3 4
EYE LVL WND GST.3 3 3 4 4 4 5 5 5 5 6 6
MIX HGT (KFT)...0.5 0.4 0.9 1.6 2.0 3.1 5.4 6.5 6.3 5.8 5.6 4.7
TRANSP WIND DIR.S S S S S SE SE SE SE SE SE SE
TRANSP WIND SPD.8 8 7 7 6 6 5 5 5 5 6 6
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
CWR.................3 PERCENT.
MIN TEMPERATURE.....AROUND 75.
MAX HUMIDITY........94 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 4 MPH SHIFTING TO THE
SOUTH IN THE LATE EVENING AND OVERNIGHT, THEN
DECREASING TO AROUND 3 MPH OVERNIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
SHIFTING TO THE EAST, THEN SHIFTING TO THE
SOUTH IN THE LATE EVENING AND OVERNIGHT
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 45 41 37 32 30 27 25 24 23 22 21
WEATHER COV.....CHC
WEATHER TYPE....RW
TSTM COV........CHC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............93 90 87 84 82 81 80 79 78 78 77 76
RH..............47 52 61 67 72 77 79 85 88 88 90 94
20 FT WIND DIR..E SE E SE S S S S S S S S
20 FT WIND SPD..6 6 6 6 6 6 6 6 5 5 3 2
20 FT WIND GUST.10 12 10 10 10 10 10 10 9 9 8 7
EYE LVL WND DIR.E SE E SE S S S S S S S S
EYE LVL WND SPD.4 4 4 4 4 4 4 4 3 3 2 1
EYE LVL WND GST.6 7 6 6 6 6 6 6 5 5 5 4
MIX HGT (KFT)...2.9 2.1 1.7 0.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.SE SE SE SE SE S S S S S S S
TRANSP WIND SPD.6 7 8 8 9 9 10 10 10 9 9 8
THURSDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................2 PERCENT.
MAX TEMPERATURE.....AROUND 98.
MIN HUMIDITY........39 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS AROUND 3 MPH INCREASING TO
SOUTHEAST UP TO 5 MPH 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 SOUTH 5 TO 8 MPH
IN THE LATE MORNING AND AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE AFTERNOON.
MIXING HEIGHT.......8700 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 13 MPH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20 19 18 17 16 14 12 10 15 19 24 23
WEATHER COV..... SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 75 77 81 85 88 92 94 96 97 97 96
RH..............94 94 90 82 72 63 54 48 43 40 39 40
20 FT WIND DIR..S S S S S S S S S S SE SE
20 FT WIND SPD..2 2 3 5 6 6 6 6 7 7 8 9
20 FT WIND GUST.6 6 7 8 9 10 12 13 13 14 14 15
EYE LVL WND DIR.S S S S S S S S S S SE SE
EYE LVL WND SPD.1 1 2 3 4 4 4 4 4 4 5 5
EYE LVL WND GST.4 4 4 5 5 6 7 8 8 8 8 9
MIX HGT (KFT)...0.4 0.4 1.0 2.0 2.5 3.5 5.5 6.4 7.0 8.1 8.7 7.6
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.7 7 7 7 7 7 7 8 9 10 12 13
FORECASTER...34
REQUESTED BY...K HALLMARK
TYPE OF REQUEST...WILDFIRE
.TAG 2519785.0/EWX
.DELDT 08/12/25
.FORMATTERVERSION 2.0.0
.EMAIL KB4.HALLMARK@SANDHILLSVFD.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page