FNUS73 KFSD 051143 FWSFSD Spot Forecast for TNC-HIM...The Nature Conservancy National Weather Service Sioux Falls SD 643 AM CDT Tue May 5 2026 If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Direction of light winds through 9 AM may be more variable and terrain-dependent, but direction should become more stable by late morning out of the northwest (330 to 310 degrees) as the mixed layer deepens and gusts develop. Occasional gusts up to 25 mph will be common through the afternoon as the relative humidity drops to 30 to 35 percent. Similar conditions are expected for Wednesday, although the afternoon gusts will be slightly lower than today. .REST OF TODAY... Max temperature.....Around 49. Min humidity........33 percent. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......PC MC MC MC MC MC MC MC MC Sky (%).........42 52 60 68 76 75 73 71 70 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 Temp............40 42 43 45 46 47 48 48 48 Dewpoint........24 23 21 20 20 20 20 21 21 RH..............52 46 41 36 35 34 33 34 34 20 FT wind dir..NNW NNW NW NW NW NW NW NW NW 20 FT wind spd..10 12 14 15 16 17 17 17 17 20 FT wind gust.16 18 20 22 23 24 25 25 24 Mix hgt (kft)...4.7 6.2 6.8 7.2 7.9 7.8 8.2 7.8 7.5 Transp wind dir.NNW NW NW NW WNW WNW WNW NW NW Transp wind spd.21 20 21 21 20 20 20 21 21 Smoke Dispersal.EX EX EX EX EX EX EX EX EX .TONIGHT... Min temperature.....Around 28. Max humidity........72 percent. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky cover.......MCLDY MCLDY MCLDY PCLDY MCLEAR MCLEAR Sky (%).........70 66 61 28 19 14 Weather cov..... WIDSPD WIDSPD Weather type....NONE NONE NONE NONE FROST FROST Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 Temp............47 42 37 34 32 30 Dewpoint........20 22 23 23 23 21 RH..............34 45 56 64 69 69 20 ft wind......NW 16 NNW 14 N 9 N 6 N 6 N 6 20 ft wind gust.23 18 14 10 9 8 Mix hgt (ft)....7100 3200 700 600 300 300 Transport wind..NW 21 NNW 16 N 12 N 10 N 8 N 7 Smoke Dispersal.EXCEL GOOD POOR POOR POOR POOR .WEDNESDAY... Max temperature.....Around 49. Min humidity........31 percent. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky cover.......MCLEAR MCLEAR PCLDY MCLDY MCLDY MCLDY Sky (%).........14 15 29 52 62 60 Weather cov.....WIDSPD Weather type....FROST NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Chc of thdr (%).0 M M M M M Temp............28 33 41 45 47 49 Dewpoint........20 22 21 21 21 21 RH..............71 63 44 38 35 33 20 ft wind......NNW 5 NNW 6 NW 9 NW 13 NW 14 NW 14 20 ft wind gust.8 10 14 18 21 21 Mix hgt (ft)....300 1800 6400 7400 7500 7700 Transport wind..NNW 7 NW 8 NW 15 NW 16 NW 16 WNW 17 Smoke Dispersal.POOR POOR EXCEL EXCEL EXCEL EXCEL $$ Forecaster...JH Requested by...Joe Blastick Type of request...PRESCRIBED .TAG 2612745.0/FSD .DELDT 05/05/26 .FormatterVersion 2.0.0 .EMAIL jblastick@tnc.org