FNUS73 KFSD 271321 FWSFSD SPOT FORECAST FOR MARTINS ACCESS HURRICANE HILL...CHEROKEE CCB NATIONAL WEATHER SERVICE SIOUX FALLS SD 821 AM CDT TUE JUL 27 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SOUTHERLY WINDS WILL CONTINUE TO DRAW WARM MOIST AIR INTO THE REGION TODAY...WITH TEMPERATURES CLIMBING INTO THE LOWER 90S AND RELATIVE HUMIDITY REMAINING IN THE 60-65 PERCENT RANGE THROUGH THE AFTERNOON. THE SOUTH WINDS ARE EXPECTED TO GUST TO AROUND 25 MPH BY MIDDAY AND THROUGH THE AFTERNOON. A COLD FRONT WILL MOVE THROUGH THE REGION TONIGHT...CREATING THUNDERSTORMS. THESE THUNDERSTORMS WILL MAINLY BE FOCUSED NORTH OF INTERSTATE 90...BUT MAY WORK AS FAR SOUTH AS HIGHWAY 18 IN NORTHWEST IOWA. DRIER MORE PLEASANT CONDITIONS ARE EXPECTED ON WEDNESDAY BEFORE ANOTHER UPPER AIR DISTURBANCE MOVES OVER THE AREA THURSDAY INTO THURSDAY NIGHT CREATING SHOWERS AND THUNDERSTORMS. .TODAY... MAX TEMPERATURE.....87-92. MIN HUMIDITY........62 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......PC PC PC MCR MCR MCR MCR MCR MCR MCR MCR MCR % SKY COVER.....44 38 31 25 19 12 6 6 6 7 7 7 WEATHER COV..... WEATHER TYPE.... TEMP............73 75 78 82 83 84 88 89 89 90 90 89 RH..............97 97 97 85 79 74 66 64 66 64 62 62 DEWPOINT........71 73 75 76 75 75 75 75 76 76 75 74 20 FT WIND DIR..S S SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW 20 FT WIND SPD..10 12 13 14 15 15 16 16 17 17 16 15 20 FT WIND GUST. 15 15 20 20 20 25 25 25 25 25 20 SMOKE DISPERSAL.PR PR FR FR FR GD GD GD GD EX GD GD CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.6 1.0 1.3 1.6 1.9 2.2 2.6 3.0 3.4 3.2 3.1 TRANSP WIND DIR.S S SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW TRANSP WIND SPD.12 16 21 24 25 24 24 25 25 25 23 20 HAINES INDEX....5 5 5 5 5 5 5 5 4 4 4 3 .TONIGHT... MIN TEMPERATURE.....66-71. MAX HUMIDITY........97 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR MCLEAR PCLDY PCLDY MCLDY MCLDY % SKY COVER.....7 21 34 47 56 65 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............87 80 75 73 71 70 RH..............65 78 93 97 97 92 DEWPOINT........74 73 73 72 70 67 20 FT WIND......SSW 14 SSW 14 SSW 9 SSW 3 WNW 3 NNW 7 20 FT WIND GUST.20 15 10 5 5 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 30 30 30 .WEDNESDAY... MAX TEMPERATURE.....80-85. MIN HUMIDITY........50 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......MCLDY PCLDY MCLEAR MCLEAR % SKY COVER.....74 49 24 25 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............69 74 80 83 RH..............87 76 56 51 DEWPOINT........65 66 63 63 20 FT WIND......NNE 10 NNE 12G15 N 10G15 N 10 SMOKE DISPERSAL.POOR FAIR FAIR GOOD CHC OF PCPN (%).10 10 10 10 MIX HGT (FT)....300 1500 2200 3500 TRANSPORT WIND..NNE 12 NNE 20 N 16 N 15 HAINES INDEX....3 4 5 4 $$ FORECASTER...JH REQUESTED BY...LUCAS STRAW TYPE OF REQUEST...PRESCRIBED .TAG 20100727.MARTI.01/FSD