884
FNUS73 KFSD 040912
FWSFSD
SPOT FORECAST FOR BROKEN KETTLE GRASSLANDS - TRAILBLAZERS OPS DAY...TRAILBLAZERS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
412 AM CDT THU JUN 4 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THROUGHOUT
THE DAY. THE BETTER CHANCES WILL BE THIS MORNING INTO EARLY
AFTERNOON. AN ISOLATED STRONG TO SEVERE STORM WILL ALSO BE
POSSIBLE. ADDITIONAL CHANCES FOR SHOWERS AND THUNDERSTORMS
CONTINUE INTO FRIDAY.
TODAY
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........67 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CDY CDY MC MC MC MC MC MC MC MC MC MC
SKY (%).........90 97 87 79 75 77 83 83 80 79 75 69
WEATHER COV.....CHC CHC SCH SCH CHC SCH SCH CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC SCH SCH SCH CHC SCH SCH CHC CHC CHC CHC CHC
CHC OF PCPN (%).50 30 20 20 30 20 20 50 50 40 30 30
CHC OF THDR (%).30 20 20 20 20 20 20 30 30 30 30 10
TEMP............67 67 69 69 72 74 75 76 76 77 78 77
DEWPOINT........62 63 64 66 66 67 68 67 67 67 68 67
RH..............84 87 84 90 81 79 79 74 74 71 71 71
20 FT WIND DIR..S S S S S S SSW SSW S S S S
20 FT WIND SPD..10 10 10 10 10 12 10 12 12 12 12 12
20 FT WIND GUST.16 16 16 16 16 18 18 20 20 20 20 20
MIX HGT (KFT)...0.5 0.5 0.9 1.2 1.5 2.0 2.3 2.5 2.6 2.5 2.1 2.0
TRANSP WIND DIR.S S S S S SSW S S S S S S
TRANSP WIND SPD.10 12 10 12 14 14 14 14 15 16 14 13
SMOKE DISPERSAL.PR PR PR PR FR FR FR FR GD GD FR FR
TONIGHT
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........100 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 MC MC MC MC
SKY (%).........60 63 51 74 70 78 67 57 69 60 65 77
WEATHER COV.....SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH
CHC OF PCPN (%).20 10 20 20 20 20 10 10 0 0 0 0
CHC OF THDR (%).10 40 30 30 30 30 30 10 0 0 0 20
TEMP............77 77 74 71 70 68 67 66 66 66 65 64
DEWPOINT........66 65 65 65 64 64 64 63 64 64 63 64
RH..............69 67 74 81 81 87 90 90 93 93 93 100
20 FT WIND DIR..S SSE SSE SE SE SE SE SE SSE SE SE ESE
20 FT WIND SPD..12 12 10 9 8 7 6 6 5 3 3 3
20 FT WIND GUST.20 18 16 14 13 12 10 9 7 6 6 6
MIX HGT (KFT)...1.9 1.6 0.8 0.5 0.5 0.5 1.1 0.5 0.4 0.4 1.0 0.4
TRANSP WIND DIR.S SSE SE SE SE SE SE SSE SSE SSE SE SSE
TRANSP WIND SPD.12 14 13 13 12 10 10 9 7 6 6 5
SMOKE DISPERSAL.FR FR PR PR PR PR PR PR PR PR PR PR
FRIDAY
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........53 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC PC MC MC PC PC PC PC PC
SKY (%).........78 83 71 55 48 64 58 39 36 46 40 33
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 10 10 10 0 10 10 10 10 0 0
CHC OF THDR (%).20 10 10 10 10 10 10 20 20 20 30 30
TEMP............64 62 65 67 72 74 77 79 81 83 84 85
DEWPOINT........64 62 65 66 66 67 68 67 67 67 67 67
RH..............100 100 100 97 81 79 74 67 63 59 57 55
20 FT WIND DIR..SE ESE E SW S SE SSE S ESE SE S SSE
20 FT WIND SPD..2 3 3 3 3 5 5 5 6 6 6 6
20 FT WIND GUST.5 6 6 7 7 9 10 12 13 13 13 12
MIX HGT (KFT)...0.4 0.5 1.1 1.6 2.0 2.7 3.0 3.4 3.1 2.9 3.6 3.4
TRANSP WIND DIR.SE S ESE SE E SSE SSE SSE SSE NNW ENE N
TRANSP WIND SPD.5 7 8 9 8 7 8 7 8 10 9 10
SMOKE DISPERSAL.PR PR PR PR FR FR FR FR FR FR FR GD
FORECASTER...WEISSER
REQUESTED BY...ALISSA PUFFETT - BLUE DIVISION
TYPE OF REQUEST...PRESCRIBED
.TAG 2614939.0/FSD
.DELDT 06/04/26
.FORMATTERVERSION 2.0.0
.EMAIL ALISSA.PUFFETT@DNR.IOWA.GOV
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