892
FNUS73 KFSD 211008
FWSFSD
SPOT FORECAST FOR CLEAR LAKE WPA...USFWS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
508 AM CDT THU MAY 21 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MORE CLOUDS THAN SUN TODAY WITH A HIGH IN THE UPPER 60S. SOUTHEAST
WINDS CONTINUE THROUGH THE DAY, INCREASING TO 15-20 MPH AND GUSTS
TO 25 MPH THIS AFTERNOON AND EVENING. DRY CONDITIONS ARE EXPECTED
THROUGH THIS EVENING.
BREEZY SOUTHEAST WINDS CONTINUE OVERNIGHT WITH GUSTS AROUND 20
MPH, INCREASING TO 30 MPH DURING THE DAY FRIDAY. RAIN CHANCES
INCREASE THROUGH THE OVERNIGHT HOURS, ESPECIALLY TOWARD DAYBREAK
FRIDAY. SHOWERS AND VERY ISOLATED THUNDERSTORMS CONTINUE FRIDAY
INTO FRIDAY NIGHT. COOLER WITH A HIGH IN THE UPPER 50S.
TODAY
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........38 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC PC PC PC MC PC PC PC PC
SKY (%).........81 81 69 51 44 32 44 55 40 36 42 48
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............44 43 48 51 59 61 63 63 65 66 66 66
DEWPOINT........39 37 40 41 41 41 39 39 39 40 40 41
RH..............82 79 74 68 51 48 41 41 38 38 38 40
20 FT WIND DIR..SE ESE SE SE SSE SSE SSE SSE SE SE SE SE
20 FT WIND SPD..8 8 9 12 14 16 16 17 17 18 18 20
20 FT WIND GUST. 14 15 17 20 22 23 24 25 26 26 28
MIX HGT (KFT)...0.5 0.5 0.8 1.7 3.1 4.1 4.9 5.6 5.8 5.7 5.5 5.2
TRANSP WIND DIR.SE SSE SSE SSE S S SSE SSE SSE SE SSE SSE
TRANSP WIND SPD.12 12 15 16 17 18 18 18 18 20 21 22
SMOKE DISPERSAL.PR PR PR FR GD EX EX EX EX EX EX EX
TONIGHT
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........86 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC MC MC MC MC CDY MC MC CDY
SKY (%).........52 68 76 67 68 67 73 80 88 82 83 92
WEATHER COV..... SCH CHC CHC
WEATHER TYPE.... RW RW RW
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 20 30 50
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............65 64 62 57 54 53 52 51 50 50 48 48
DEWPOINT........41 40 41 41 41 41 41 40 41 41 41 41
RH..............41 41 46 55 61 64 66 66 71 71 77 77
20 FT WIND DIR..SSE SE SE SE SE SE SE SE ESE ESE ESE ESE
20 FT WIND SPD..21 20 18 16 15 15 14 13 13 13 14 15
20 FT WIND GUST.28 26 24 24 23 23 21 21 20 20 21 22
MIX HGT (KFT)...5.3 4.8 3.7 0.8 0.8 0.7 0.7 0.7 0.8 1.0 0.8 0.9
TRANSP WIND DIR.SSE SE SE SE SE SE SE SE SE SE ESE ESE
TRANSP WIND SPD.22 23 22 17 17 17 16 16 17 18 17 18
SMOKE DISPERSAL.EX EX EX PR PR PR PR PR PR FR PR FR
FRIDAY
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........69 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CDY CDY CDY CDY CDY MC MC CDY CDY CDY CDY CDY
SKY (%).........95 99 95 91 89 86 87 88 91 92 95 96
WEATHER COV.....LKY DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).70 80 80 80 100 100 100 90 90 90 80 80
CHC OF THDR (%).10 10 10 10 10 10 10 10 10 10 10 10
TEMP............48 46 49 50 53 53 53 52 54 55 55 55
DEWPOINT........41 42 44 44 44 44 45 45 45 46 46 46
RH..............77 86 83 80 71 71 74 77 71 72 72 72
20 FT WIND DIR..ESE ESE ESE ESE ESE ESE ESE ESE ESE ESE ESE SE
20 FT WIND SPD..16 17 18 20 21 22 22 21 21 20 17 16
20 FT WIND GUST.23 25 26 29 29 31 31 32 32 30 28 25
MIX HGT (KFT)...1.4 1.4 1.5 1.5 1.5 1.5 1.6 1.6 1.5 1.5 1.4 1.4
TRANSP WIND DIR.ESE ESE SE SE SE SE SE SE SE SE SSE SSE
TRANSP WIND SPD.20 22 22 23 24 24 24 26 24 24 25 22
SMOKE DISPERSAL.FR FR FR FR GD GD GD GD GD GD GD FR
FORECASTER...SG
REQUESTED BY...JADE DRAUSE
TYPE OF REQUEST...PRESCRIBED
.TAG 2614051.0/FSD
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL JADE_DRAUSE@FWS.GOV
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