####018004424#### FNUS73 KFSD 031354 FWSFSD Spot Forecast for Hopeful WMA...MN DNR National Weather Service Sioux Falls SD 854 AM CDT Fri May 3 2024 If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... With recent rains, the fire danger will continue to remain low for the next several days. Today will start out dry before showers move in later this afternoon into tonight. At the time of ignition, the sky will be clear, temperatures will be in the low 40s, dew point will be in the mid 30s, and relative humidity (RH) will be around 75%. Winds will be westerly at around 5 mph with gusts around 15 mph. A strong inversion is in place at this time, with mixing heights only around 500 ft above ground level (AGL). As a result, smoke will be held close to the surface. The inversion is expected to begin to mix out as the surface warms this morning, and by 11 AM should be around 1400 ft AGL, reaching a peak mixing height of 9000 ft AGL by 4pm. Clouds will increase through the day and will be scattered around noon, quickly become mostly cloudy by early afternoon. Winds will gradually increase this morning to a peak sustained of 10 mph around noon. Similarly, gusts will gradually increase to a peak of 20 mph around 3 pm. A cold front will be approaching the area causing winds to briefly turn southwesterly ahead of the front. The front is expected to pass between 1pm and 3pm. Winds then settle in a north-northeasterly direction, at around 10 mph sustained with gusts 15-20 mph. Rain showers are expected to accompany the front, and will begin between 4 and 5 pm. Showers are expected to be clear of the area after 8 am. Rain totals are expected to be between 0.25 and 0.5 inches. Maximum temperature for this afternoon will be around 65 degrees F, with an overnight minimum of around 40 degrees F. Dew points are expected to climb to the low 40s through Saturday morning. RH will fall through the day reaching its minimum of around 45% by 3 pm, increasing again overnight. .REST OF TODAY... Max temperature.....Around 64. Min humidity........45 percent. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......MCR MCR MCR PC MC MC MC MC MC Sky (%).........6 15 22 26 54 76 77 79 79 Weather cov..... SCH SCH Weather type.... RW RW Tstm cov........ Chc of pcpn (%).0 0 0 0 10 10 10 20 20 Temp............47 53 56 57 60 62 62 63 61 Dewpoint........36 37 37 38 39 40 40 41 41 RH..............65 54 50 48 45 45 45 45 48 20 FT wind dir..W WNW W SW SSW SSW WSW W W 20 FT wind spd..6 5 6 7 8 9 9 9 9 20 FT wind gust.17 16 18 20 21 22 22 22 18 Mix hgt (kft)...1.0 1.6 2.3 3.1 4.1 5.0 5.7 5.4 3.9 Transp wind dir.W W WSW SW SSW SW SW SW SW Transp wind spd.10 9 8 12 17 21 21 21 15 Haines index....6 6 6 6 4 4 4 4 4 Smoke Dispersal.PR PR FR GD EX EX EX EX GD .TONIGHT... Min temperature.....Around 42. Max humidity........93 percent. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky cover.......MCLDY CLOUDY CLOUDY CLOUDY CLOUDY MCLDY Sky (%).........77 92 89 94 93 86 Weather cov.....S CHC CHANCE CHANCE LIKELY DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ Chc of pcpn (%).20 30 40 60 90 80 Temp............60 53 48 46 44 43 Dewpoint........42 41 40 41 41 40 RH..............51 64 74 83 89 90 20 ft wind......NNW 8 N 12 NNW 12 N 12 N 12 N 8 20 ft wind gust.15 16 17 17 16 14 Mix hgt (ft)....1800 1300 1300 1300 1200 1200 Transport wind..NNW 9 N 15 N 17 N 16 N 16 N 13 Haines index....4 4 4 4 3 3 Smoke Dispersal.FAIR FAIR FAIR FAIR FAIR POOR $$ Forecaster...AP Requested by...Amber Knutson Type of request...PRESCRIBED .TAG 2413083.0/FSD .DELDT 05/03/24 .FormatterVersion 2.0.0