FNUS73 KFSD 151440 FWSFSD Spot Forecast for Ackermans River Woods...Osceola CCB National Weather Service Sioux Falls SD 940 AM CDT Wed Apr 15 2026 If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... A few showers will be possible throughout the day today, with an isolated thunderstorm possible in the afternoon to early evening, between 3-7 pm. Light east-northeast winds are expected with gusts around 10 mph, potentially higher in any shower or storm. Temperatures warm to around 70, with minimum humidity values around 35-40%. Mixing heights remain fairly low through the day with mid and high clouds. Winds become variable overnight, shifting southerly for Thursday. Gusts around 20 mph expected during the afternoon and evening, with humidity around 20-25%. Much warmer Thursday with high near 80. Winds remain breezy with gusts 20 to 25 mph Thursday night. .REST OF TODAY... Max temperature.....Around 71. Min humidity........35 percent. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......MC MC MC PC PC MC MC MC Sky (%).........69 58 60 50 48 51 56 62 Weather cov..... SCH SCH SCH SCH Weather type.... RW RW RW RW Tstm cov........ Chc of pcpn (%).10 20 10 20 20 20 10 10 Chc of thdr (%).0 0 0 10 10 10 10 10 Temp............55 59 63 66 68 69 71 69 Dewpoint........45 45 44 44 43 42 42 42 RH..............69 60 50 45 40 37 35 37 20 FT wind dir..NE ENE NE ENE ENE E ENE E 20 FT wind spd..6 6 6 6 6 7 7 7 20 FT wind gust.8 8 9 9 10 10 10 10 Mix hgt (kft)...1.2 1.8 2.4 3.1 4.1 4.9 6.1 5.1 Transp wind dir.NE NE NE NNE NNE ENE NE E Transp wind spd.6 6 6 7 8 8 9 8 Smoke Dispersal.PR PR PR FR FR GD GD GD .TONIGHT... Min temperature.....Around 45. Max humidity........89 percent. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......MC MC MC PC PC PC PC PC MCR MCR MCR MCR Sky (%).........66 61 53 49 40 37 32 26 17 15 7 6 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).10 10 10 0 0 0 0 0 0 0 0 0 Chc of thdr (%).10 M M M M M M M M M M M Temp............69 68 63 60 57 55 53 51 50 49 48 47 Dewpoint........42 42 45 45 45 45 45 45 43 44 43 43 RH..............37 39 52 58 64 69 74 80 77 83 83 86 20 FT wind dir..E E E ESE E E ENE NE E E SE S 20 FT wind spd..7 7 7 6 6 6 6 6 6 6 6 6 20 FT wind gust.10 10 9 9 9 9 9 9 9 8 8 9 Mix hgt (kft)...3.9 2.3 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.ENE ESE E E ESE SE SE SE SSE SSE SSE S Transp wind spd.9 8 9 10 8 9 12 10 10 10 10 9 Smoke Dispersal.GD FR PR PR PR PR PR PR PR PR PR PR .THURSDAY... Max temperature.....Around 82. Min humidity........23 percent. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......MCR MCR MCR MCR CLR CLR CLR CLR CLR CLR CLR CLR Sky (%).........6 7 10 9 5 3 3 4 4 3 2 4 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).M M M M M M M M M M M M Temp............47 45 48 55 63 68 72 75 79 81 82 82 Dewpoint........43 42 44 46 46 45 44 44 43 42 41 41 RH..............86 89 86 72 54 44 37 33 28 25 23 23 20 FT wind dir..S S SSE S S S S S S S S S 20 FT wind spd..6 6 8 9 10 12 14 16 17 18 18 17 20 FT wind gust.9 9 12 14 15 17 18 21 22 23 23 22 Mix hgt (kft)...0.4 0.4 0.5 0.8 1.3 2.5 3.5 4.4 5.2 6.0 6.8 5.0 Transp wind dir.S S S S S S S S SSW SW SW SW Transp wind spd.10 10 14 15 20 24 25 25 26 29 29 26 Smoke Dispersal.PR PR PR PR FR GD EX EX EX EX EX EX $$ Forecaster...Samet Requested by...Nick Schmalen Type of request...PRESCRIBED .TAG 2610422.0/FSD .DELDT 04/15/26 .FormatterVersion 2.0.0 .EMAIL nschmalen@gmail.com