726
FNUS73 KABR 091011
FWSABR
SPOT FORECAST FOR PERCH LAKE WPA...USFWS
NATIONAL WEATHER SERVICE ABERDEEN SD
511 AM CDT SAT MAY 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON MAY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A FEW EARLY MORNING LIGHT SHOWERS HAVE MOVED OVER THE
BURN SITE IN THE WAKE OF A COLD FRONT. HIGH PRESSURE BUILDS IN
BEHIND THESE SHOWERS THIS MORNING BRINGING DRIER CONDITIONS. NORTH
WINDS ARE EXPECTED TO GUST 20 TO 25 MPH THROUGH THE DAY. LOWER
TEMPERATURES AROUND 60 DEGREES THIS AFTERNOON WILL KEEP MIN RH IN
THE 25 TO 30 PERCENT RANGE. FROST IS EXPECTED TONIGHT AS LOWS DIP
INTO THE LOW 30S.
TODAY
SKY/WEATHER.........PARTLY SUNNY (40-50 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........NORTH WINDS 14 TO 20 MPH.
MIXING HEIGHT.......600-7400 FT AGL.
TRANSPORT WINDS.....NORTH 16 TO 21 MPH.
SMOKE DISPERSAL.....POOR (8400 KNOT-FT) INCREASING TO VERY GOOD
(128400 KNOT-FT).
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 49 54 59 50 42 37 48 58 46 34 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 43 43 44 48 51 53 54 57 58 58 60
RH..............89 89 83 73 58 50 43 40 34 33 30 29
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..14 14 15 17 17 16 17 17 17 18 18 20
20 FT WIND GUST.22 23 23 23 23 23 24 24 25 26 26 26
MIX HGT (KFT)...0.6 0.6 1.4 2.1 3.0 4.2 5.2 6.0 6.6 6.9 7.1 7.4
SMOKE DISPERSAL.PR PR PR PR FR GD GD GD VGD VGD VGD VGD
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). AREAS OF FROST
AFTER 3 AM.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........78 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 20 MPH DECREASING TO 6 TO 10
MPH IN THE LATE EVENING AND OVERNIGHT.
MIXING HEIGHT.......300-7300 FT AGL.
TRANSPORT WINDS.....NORTH 12 TO 21 MPH DECREASING TO 7 TO 10 MPH IN
THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....VERY GOOD (123600 KNOT-FT) DECREASING TO POOR
(2000 KNOT-FT) EARLY IN THE EVENING.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........22 36 30 20 16 24 17 19 20 24 25 23
WEATHER COV..... ARS ARS
WEATHER TYPE.... FST FST
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............59 59 55 49 45 43 41 39 38 37 35 35
RH..............29 28 35 44 51 53 57 62 64 67 72 72
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..20 20 15 10 8 8 7 6 6 6 7 7
20 FT WIND GUST.26 26 20 13 10 9 8 8 7 7 8 9
MIX HGT (KFT)...7.3 6.9 1.0 0.6 0.4 0.4 0.4 0.4 0.4 0.3 0.4 0.3
SMOKE DISPERSAL.VGD VGD PR PR PR PR PR PR PR PR PR PR
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 12 MPH.
MIXING HEIGHT.......300-7900 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH SHIFTING TO THE NORTHWEST
12 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2300 KNOT-FT) INCREASING TO GOOD (71100
KNOT-FT) EARLY IN THE MORNING INCREASING TO
VERY GOOD (103100 KNOT-FT) IN THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 26 10 4 3 2 3 3 3 5 3 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............35 34 38 41 48 51 53 55 57 60 60 60
RH..............72 78 70 65 49 44 41 37 34 29 29 29
20 FT WIND DIR..N NE NE NE NE NE NE N N N N N
20 FT WIND SPD..8 9 10 10 10 10 10 10 10 12 12 12
20 FT WIND GUST.10 13 14 14 14 14 15 16 16 17 18 17
MIX HGT (KFT)...0.3 0.4 0.8 1.3 2.1 4.1 5.3 6.5 7.3 7.7 7.7 7.9
SMOKE DISPERSAL.PR PR PR PR PR FR FR GD GD GD GD VGD
FORECASTER...WISE
REQUESTED BY...JADE DRAUSE
TYPE OF REQUEST...PRESCRIBED
.TAG 2613027.0/ABR
.DELDT 05/09/26
.FORMATTERVERSION 2.0.0
.EMAIL JADE_DRAUSE@FWS.GOV
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