FNUS73 KFSD 111118 FWSFSD SPOT FORECAST FOR 5 MILE CORNER N...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 618 AM CDT SUN APR 11 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN EXTREMELY DRY AIRMASS WILL REMAIN ACROSS THE AREA TODAY CAUSING THE RELATIVE HUMIDITY TO FALL TO 15 TO 20 PERCENT THIS AFTERNOON ACROSS SOUTHWEST MINNESOTA. SOUTHEAST WINDS WILL INCREASE ACROSS THE AREA TODAY AND ALONG WITH THE LOW RELATIVE HUMIDITY CREATE AN EXTREME GRASSLAND FIRE DANGER. A WARM FRONT IS EXPECTED TO LIFT ACROSS THE AREA TONIGHT. MOISTURE WILL SURGE INTO THE AREA SOUTH OF THE FRONT...POTENTUALLY IGNITING A FEW ELEVATED THUNDERSTORMS. THESE THUNDERSTORMS WILL LIFT OFF TO THE NORTHEAST ON MONDAY...GIVING WAY TO BREEZY CONDITIONS MONDAY INTO TUESDAY. .TODAY... MAX TEMPERATURE.....64-69. MIN HUMIDITY........25 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MCR MCR PC PC PC PC PC PC PC PC MC MC % SKY COVER.....15 21 28 34 39 45 50 50 50 50 52 54 WEATHER COV..... WEATHER TYPE.... TEMP............36 41 46 52 55 58 60 63 66 66 67 66 RH..............56 46 37 29 25 22 20 18 16 16 16 18 DEWPOINT........22 22 21 21 20 19 19 19 19 19 20 22 20 FT WIND DIR..S S SSE SSE SSE SE SE SE SE SE SE SE 20 FT WIND SPD..5 6 6 7 8 10 12 13 13 13 12 10 20 FT WIND GUST. 10 15 15 15 15 15 15 15 SMOKE DISPERSAL.PR PR PR PR PR FR 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 0.3 0.3 0.3 1.5 2.7 4.0 4.2 4.4 4.7 4.7 4.5 TRANSP WIND DIR.S S SSE SSE SE SE SE SE SE SE SE ESE TRANSP WIND SPD.5 6 7 9 12 14 16 18 20 20 20 18 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 5 .TONIGHT... MIN TEMPERATURE.....43-48. MAX HUMIDITY........79 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY % SKY COVER.....56 63 69 75 75 75 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............63 56 50 48 47 46 RH..............21 32 48 58 68 76 DEWPOINT........23 27 31 34 37 39 20 FT WIND......ESE 9 SE 8 SE 8 SE 9 SE 10 SE 10 20 FT WIND GUST.10 10 10 10 15 15 SMOKE DISPERSAL.GOOD FAIR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 40 40 50 MIX HGT (FT)....4200 1600 300 300 300 300 TRANSPORT WIND..ESE 17 SE 13 SE 13 SSE 14 SSE 14 SSE 16 HAINES INDEX....5 4 4 3 3 3 $$ FORECASTER...BT REQUESTED BY...ERIC EARHART TYPE OF REQUEST...PRESCRIBED .TAG 20100411.5MILE.01/FSD