900
FNUS73 KFSD 290909
FWSFSD
SPOT FORECAST FOR LAKE VERMILLION RX...SDGFP
NATIONAL WEATHER SERVICE SIOUX FALLS SD
409 AM CDT TUE APR 29 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TODAY WILL BE DRY AND COOL WITH HIGHS IN THE LOW 60S. WINDS WILL
BE NORTHWESTERLY AT 5-10 MPH, DECREASING TO LIGHT AND VARIABLE
AFTER NOON. AROUND 2 PM, WINDS WILL BEGIN TO TURN WESTERLY, THEN
SOUTHERLY, BUT REMAIN LIGHT THROUGH SUNRISE WEDNESDAY.
AFTERNOON RELATIVE HUMIDITY VALUES WILL FALL TO 25-30%. RECENT RAINFALL
HAS PROVIDED MUCH NEEDED MOISTURE, AND THINGS HAVE BEGUN TO GREEN
UP. OVERALL FIRE DANGER WILL BE LOW.
WEDNESDAY WINDS WILL BE SOUTHERLY AND INCREASE AFTER SUNRISE TO
10-15 MPH WITH GUSTS OF 20 MPH. RELATIVE HUMIDITY WILL INCREASE TO
50-55%. FIRE DANGER WILL AGAIN BE LOW.
WEDNESDAY AFTERNOON THERE IS A 25% CHANCE FOR SHOWERS AND
THUNDERSTORMS THAT WILL CONTINUE OVERNIGHT INTO THURSDAY MORNING.
SEVERE WEATHER IS NOT EXPECTED, HOWEVER SOME LIGHTNING IS
POSSIBLE. WINDS WILL BEGIN TO DECREASE IN THE LATE AFTERNOON,
BECOMING LIGHT AND VARIABLE OVERNIGHT.
TODAY
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........27 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC MCR MCR MCR CLR CLR CLR CLR CLR CLR CLR CLR
SKY (%).........30 21 14 7 1 0 0 0 0 0 0 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............34 34 35 37 42 46 50 52 55 58 59 59
DEWPOINT........29 27 27 28 28 27 27 27 26 25 25 25
RH..............81 74 73 69 57 47 41 38 32 28 27 27
20 FT WIND DIR..NNW NNW NNW NNW NNW NNW NNW NW NW NW WNW W
20 FT WIND SPD..14 12 12 10 10 9 8 7 7 6 6 6
20 FT WIND GUST.24 21 20 17 16 14 13 13 10 9 8 9
MIX HGT (KFT)...0.9 0.6 1.3 1.4 1.9 2.1 2.8 3.5 4.0 4.4 4.6 4.8
TRANSP WIND DIR.NNW NNW N N NNW NNW NNW NNW NW WNW W WSW
TRANSP WIND SPD.18 15 17 15 14 13 10 9 7 6 6 6
SMOKE DISPERSAL.FR PR FR FR FR FR FR FR FR FR FR FR
TONIGHT
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........73 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......CLR CLR CLR MCR CLR CLR CLR CLR CLR MCR MCR MCR
SKY (%).........0 4 5 6 5 5 3 3 5 12 18 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 58 56 51 48 47 45 43 43 43 42 41
DEWPOINT........26 26 29 29 29 29 30 30 30 30 30 31
RH..............27 29 35 42 47 49 55 60 60 61 63 66
20 FT WIND DIR..SSW S SSE SSE SSE SSE SSE SSE SE SSE SSE SSE
20 FT WIND SPD..6 6 6 6 7 7 8 9 10 10 10 10
20 FT WIND GUST.8 9 9 10 12 12 14 15 16 16 17 17
MIX HGT (KFT)...4.4 4.0 0.6 0.5 0.5 0.5 0.4 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW S S SSE SSE SSE S SSE S S S S
TRANSP WIND SPD.6 8 6 8 10 12 14 14 16 16 16 17
SMOKE DISPERSAL.FR FR PR PR PR PR PR PR PR PR PR PR
WEDNESDAY
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........53 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR PC PC MC MC MC MC MC MC MC
SKY (%).........15 15 25 32 45 52 57 59 60 61 60 58
WEATHER COV..... SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).0 10 10 10 10 10 10 20 20 20 20 20
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............41 41 44 48 54 58 63 64 65 65 66 66
DEWPOINT........32 33 36 39 43 44 46 47 47 48 49 49
RH..............69 72 73 70 66 60 54 55 53 53 55 54
20 FT WIND DIR..SSE SSE SSE SSE S S S S S S S SSE
20 FT WIND SPD..10 10 13 14 15 16 16 16 16 15 15 14
20 FT WIND GUST.18 20 21 22 24 24 24 24 23 22 22 20
MIX HGT (KFT)...0.5 0.5 0.9 1.3 1.7 2.7 3.1 3.4 3.5 3.6 3.7 3.4
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.17 17 20 21 22 24 24 22 21 21 20 17
SMOKE DISPERSAL.PR PR FR FR GD GD EX EX EX EX EX GD
FORECASTER...AP
REQUESTED BY...JONNY PFEIFER
TYPE OF REQUEST...PRESCRIBED
.TAG 2512100.0/FSD
.DELDT 04/29/25
.FORMATTERVERSION 2.0.0
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page