FNUS73 KFSD 061508 FWSFSD SPOT FORECAST FOR HELLSETH WPA...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 1008 AM CDT THU MAY 6 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SURFACE HIGH PRESSURE WILL MOVE EASTWARD TODAY... SETTING UP A RETURN EASTERLY FLOW OF AIR ACROSS THIS REGION. DUE TO DRY LOW LEVELS...MEASURABLE RAINFALL WILL BE TOUGH TO REALIZE. BUT SOME LIGHT RAIN IS LIKELY AROUND THE HURON SOUTH DAKOTA AREA...WITH AREAS OF VERY LIGHT RAIN NORTH OF INTERSTATE 90. TONIGHT IS WHEN A FAIRLY STRONG UPPER AIR DISTURBANCE MOVES ACROSS THIS AREA. WIDESPREAD RAINFALL AMOUNTS OF 0.10 TO 0.33 OF AN INCH ARE A GOOD BET. A COLD FRONT WILL ACCOMPANY THE UPPER DISTURBANCE...AND WINDY NORTHWEST WINDS WILL BE FELT ON FRIDAY BEHIND THE FRONT. THE BEST CHANCES FOR LINGERING LIGHT RAIN ON FRIDAY WILL BE IN SOUTHWEST MINNESOTA...ESPECIALLY IN THE MORNING. SATURDAY LOOKS QUIET...AND THEN SOME WARM AIR ADVECTION INTO THIS REGION WILL BRING LIGHT RAIN CHANCES TO PART OF THIS AREA ON SUNDAY. EARLY NEXT WEEK STILL LOOKS QUITE UNSETTLED. IT IS LOOKING INCREASINGLY LIKELY THAT WIDESPREAD RAIN AND THUNDERSTORMS WILL BE AROUND MONDAY AND MONDAY NIGHT...POSSIBLY LINGERING RIGHT INTO TUESDAY. .TODAY... MAX TEMPERATURE.....56-61. MIN HUMIDITY........42 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC CDY % SKY COVER.....80 80 80 79 79 79 79 81 82 84 86 88 WEATHER COV..... WEATHER TYPE.... TEMP............39 42 45 48 50 52 53 55 57 59 58 58 RH..............85 76 70 63 58 54 52 49 45 42 44 45 DEWPOINT........35 35 36 36 36 36 36 36 36 36 36 37 20 FT WIND DIR..N N NNE NNE NE ENE E E E E E E 20 FT WIND SPD..8 8 7 7 8 9 10 12 12 12 12 12 20 FT WIND GUST.10 10 10 10 15 15 15 15 15 15 SMOKE DISPERSAL.PR PR PR FR FR FR GD GD GD GD EX GD CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.9 1.5 2.1 2.5 2.9 3.3 3.5 3.6 3.7 3.7 3.2 TRANSP WIND DIR.N N NNE NNE NE ENE ENE E E E E E TRANSP WIND SPD.8 8 8 9 10 13 15 16 18 20 22 23 HAINES INDEX....3 3 4 4 4 4 4 4 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....40-45. MAX HUMIDITY........89 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY % SKY COVER.....89 94 97 100 100 98 WEATHER COV..... CHANCE OCNL OCNL OCNL WEATHER TYPE....NONE NONE RAIN RAIN RAIN RAIN TEMP............57 53 49 47 46 45 RH..............49 61 74 83 86 86 DEWPOINT........38 40 41 42 42 41 20 FT WIND......E 12 E 12 E 10 ENE 8 E 13 ESE 10 20 FT WIND GUST.15 15 15 10 20 15 SMOKE DISPERSAL.GOOD GOOD FAIR POOR POOR POOR .FRIDAY... MAX TEMPERATURE.....51-56. MIN HUMIDITY........46 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......CLOUDY MCLDY PCLDY MCLDY % SKY COVER.....95 68 43 58 WEATHER COV.....CHANCE CHANCE S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............44 48 52 53 RH..............86 74 59 48 DEWPOINT........40 40 38 34 20 FT WIND......S 1 SW 10G15 W 20G30 W 26G35 SMOKE DISPERSAL.POOR FAIR EXCEL EXCEL $$ FORECASTER...LAFLIN REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20100506.HELLS.01/FSD