012
FNUS73 KFSD 201442
FWSFSD
SPOT FORECAST FOR BURYANEKS...PLYMOUTH COUNTY CONSERVATION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
942 AM CDT MON APR 20 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ISSUED AT 359 AM CDT MON APR 20 2026
A WARM AND BREEZY DAY IS EXPECTED WITH A HIGH TEMPERATURE IN THE
MID 70S. SOUTHEASTERLY WINDS THIS MORNING WILL INCREASE THROUGH
THE DAY, BECOMING MORE SOUTHERLY AROUND MID DAY. GUSTS OF 20 TO 25
MPH ARE POSSIBLE THROUGH EARLY EVENING. SMOKE DISPERSION SHOULD
IMPROVE SOME THIS AFTERNOON WITH BETTER MIXING. GUSTY WINDS
COMBINED WITH LOW HUMIDITY LATE THIS AFTERNOON WILL LEAD TO NEAR-
CRITICAL RH VALUES IN THE MID 20S THROUGH EARLY EVENING.
WARMER WITH SIMILAR HUMIDITY VALUES BUT LIGHTER NORTHEAST WINDS
ON TUESDAY.
REST OF TODAY
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........25 PERCENT.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR MCR MCR MCR PC PC PC
SKY (%).........3 6 15 22 29 31 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0
TEMP............55 59 63 66 69 72 74
RH..............34 33 31 29 27 26 25
20 FT WIND DIR..SSE SSE S S S S S
20 FT WIND SPD..20 20 21 21 21 20 20
20 FT WIND GUST.26 28 28 29 30 30 29
MIX HGT (KFT)...1.8 2.2 2.7 2.9 3.1 3.3 3.5
TRANSP WIND DIR.S S S S S S S
TRANSP WIND SPD.22 22 23 22 22 23 23
SMOKE DISPERSAL.GD GD GD GD GD EX EX
TONIGHT
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........71 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC PC MC MC MCR MCR MCR MCR MCR MCR
SKY (%).........32 36 36 50 53 52 25 20 15 11 8 7
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............74 73 68 65 62 60 58 57 55 54 53 51
RH..............25 25 33 37 41 44 47 45 51 54 61 63
20 FT WIND DIR..S S SSE SSE SSE SSE SSE S S S SSW S
20 FT WIND SPD..18 17 14 14 13 13 12 12 10 10 8 7
20 FT WIND GUST.28 24 21 20 18 18 17 17 15 14 12 12
MIX HGT (KFT)...3.6 1.3 0.4 0.4 0.4 0.4 0.4 0.5 0.4 0.4 0.3 0.3
TRANSP WIND DIR.S S S S S S S S SSW S SW SSW
TRANSP WIND SPD.23 20 15 15 15 15 15 15 13 12 10 10
SMOKE DISPERSAL.EX FR PR PR PR PR PR PR PR PR PR PR
TUESDAY
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........20 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR PC PC MCR MCR CLR CLR MCR MCR MCR MCR
SKY (%).........11 11 39 34 19 12 5 5 14 16 14 11
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............50 48 50 55 61 67 73 78 81 82 83 83
RH..............63 71 61 57 48 39 31 27 23 22 20 20
20 FT WIND DIR..S N N NNE NE NE ENE ENE ENE ENE ENE ENE
20 FT WIND SPD..6 6 6 6 6 7 7 7 6 6 6 6
20 FT WIND GUST.9 9 9 9 10 10 12 12 12 12 12 12
MIX HGT (KFT)...0.3 0.3 0.3 0.6 1.1 1.6 2.5 3.3 4.5 5.3 6.1 4.6
TRANSP WIND DIR.SW W N NNE ENE ENE ENE ENE NE NE NE ENE
TRANSP WIND SPD.7 7 7 9 14 13 12 9 8 7 7 7
SMOKE DISPERSAL.PR PR PR PR PR FR FR FR GD GD GD GD
FORECASTER...BP
REQUESTED BY...NICHOLAS MXKEE
TYPE OF REQUEST...PRESCRIBED
.TAG 2610883.0/FSD
.DELDT 04/20/26
.FORMATTERVERSION 2.0.0
.EMAIL NMCKEE@PLYMOUTHCOUNTYIOWA.GOV
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