FNUS73 KFSD 281329 FWSFSD SPOT FORECAST FOR LITTLE SIOUX WMA...IDNR-PRAIRIE LAKES UNIT NATIONAL WEATHER SERVICE SIOUX FALLS SD 829 AM CDT FRI MAY 28 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... .DISCUSSION... SOUTHEAST WINDS WILL GRADUALLY BECOME STRONGER TODAY THROUGH SATURDAY. DEEP DRY AIR WILL AGAIN MIX DOWN TO THE SURFACE TODAY WITH FLOW COMING AROUND THE BASE OF CANADIAN HIGH PRESSURE OVER THE WESTERN GREAT LAKES. THE DRY AIR WILL RESULT IN MINIMUM HUMIDITY LEVELS OF 15 TO 20 PERCENT THIS AFTERNOON AS TEMPERATURES WARM INTO THE 80S. HUMIDITY LEVELS WILL INCREASE SATURDAY AS WINDS TURN MORE SOUTHERLY...DRAWING MOISTURE NORTH FROM THE CENTRAL PLAINS. DRY WEATHER WILL CONTINUE UNTIL A THREAT OF THUNDERSTORMS DEVELOPS FROM THE WEST LATE SATURDAY NIGHT INTO SUNDAY AS A COLD FRONT ENTERS THE AREA. THUNDERSTORMS WILL DECREASE AND END SUNDAY AS COOLER TEMPERATURES ARRIVE. .TODAY... MAX TEMPERATURE.....83-88. MIN HUMIDITY........18 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR % SKY COVER.....4 3 3 2 2 1 0 1 2 3 4 5 WEATHER COV..... WEATHER TYPE.... TEMP............53 65 70 74 78 80 83 84 84 85 85 84 RH..............74 54 42 33 28 25 22 20 19 18 18 19 DEWPOINT........45 48 46 43 42 41 40 39 38 37 37 38 20 FT WIND DIR..SE ESE SE SSE SSE SE SE SE SE SE SE SSE 20 FT WIND SPD..6 6 8 12 13 13 13 14 15 16 16 15 20 FT WIND GUST. 10 15 15 15 15 20 20 25 25 20 SMOKE DISPERSAL.PR PR FR FR GD GD GD GD EX EX EX EX CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.7 1.2 1.7 2.5 3.3 4.0 4.4 4.7 5.1 4.7 4.3 TRANSP WIND DIR.SE SE SSE SSE SSE SE SE SE SE SE SSE SSE TRANSP WIND SPD.7 12 15 17 17 16 15 16 17 18 20 21 HAINES INDEX....5 5 5 5 5 5 5 5 4 4 4 5 .TONIGHT... MIN TEMPERATURE.....55-60. MAX HUMIDITY........75 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR CLEAR CLEAR CLEAR CLEAR CLEAR % SKY COVER.....6 4 2 0 2 4 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............82 75 69 65 62 60 RH..............23 36 51 60 65 72 DEWPOINT........41 46 50 51 50 51 20 FT WIND......SSE 14 SSE 9 SSE 8 SSE 8 SSE 8 SSE 10 20 FT WIND GUST.20 10 10 10 10 SMOKE DISPERSAL.GOOD FAIR POOR POOR POOR POOR .SATURDAY... MAX TEMPERATURE.....83-88. MIN HUMIDITY........32 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......MCLEAR CLEAR CLEAR MCLEAR % SKY COVER.....6 5 5 11 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............60 72 81 85 RH..............75 55 38 32 DEWPOINT........52 55 53 52 20 FT WIND......S 13G15 S 17G25 S 17G25 S 16G25 SMOKE DISPERSAL.POOR GOOD EXCEL EXCEL CHC OF PCPN (%).0 0 0 0 MIX HGT (FT)....300 2800 3900 5000 TRANSPORT WIND..S 15 S 25 S 22 S 21 HAINES INDEX....4 4 4 3 $$ FORECASTER...JH REQUESTED BY...STEVEN WOODRUFF TYPE OF REQUEST...PRESCRIBED .TAG 20100528.LITTL.01/FSD