


Suppression Forecast
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
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138 FNUS73 KFSD 271121 FWSFSD Spot Forecast for Loon Lake Fire...USFWS National Weather Service Sioux Falls SD 621 AM CDT Sun Apr 27 2025 If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Little change from previous discussion. Cloudy skies and mainly dry for today. Winds will remain southeasterly today, gusting 25 to 30 mph through the day. With increasing low level moisture, afternoon RH values will run near 70 percent. For Monday, shower and thunderstorm chances will be likely in the afternoon and evening - with a few severe storms possible. Temperatures will climb to near 80, with afternoon RH around 50 percent. Winds will be southerly, gusting 30 to 40 mph. .TODAY... Max temperature.....Around 63. Min humidity........66 percent. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......MC MC MC MC MC CDY CDY CDY CDY CDY CDY CDY Sky (%).........61 65 61 70 84 90 93 93 94 93 92 91 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).10 10 10 10 10 10 10 10 10 10 10 10 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 10 10 Temp............47 46 49 51 53 54 55 55 56 57 59 60 Dewpoint........40 41 42 44 45 45 46 47 47 48 49 49 RH..............78 83 77 77 75 73 70 73 71 71 69 67 20 FT wind dir..SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE 20 FT wind spd..15 15 17 18 21 21 21 21 21 21 22 21 20 FT wind gust.23 24 25 26 28 29 30 30 31 31 31 30 Mix hgt (kft)...0.7 0.5 0.7 1.3 1.7 1.6 1.6 1.7 1.8 1.8 1.9 1.9 Transp wind dir.SSE S S S S S S S S S S S Transp wind spd.18 18 21 25 25 25 25 25 25 25 25 25 Smoke Dispersal.PR PR PR FR GD GD GD GD GD GD GD GD .TONIGHT... Min temperature.....Around 55. Max humidity........93 percent. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY Sky (%).........95 96 94 96 97 98 99 100 100 100 100 99 Weather cov..... SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC Weather type.... RW RW RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC Chc of pcpn (%).10 10 20 20 30 30 30 40 50 40 40 50 Chc of thdr (%).10 10 20 20 30 30 30 30 30 30 40 40 Temp............60 61 59 57 56 56 56 56 56 57 57 56 Dewpoint........49 50 50 50 51 51 52 52 53 53 54 54 RH..............67 66 72 77 83 83 86 86 90 88 89 93 20 FT wind dir..SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE 20 FT wind spd..21 20 20 20 20 20 20 21 21 21 21 21 20 FT wind gust.31 30 29 29 30 30 30 30 30 30 31 32 Mix hgt (kft)...1.7 1.2 0.6 0.6 0.9 0.9 0.8 0.8 0.7 0.7 0.7 0.8 Transp wind dir.S SSE SSE S S S S S S S S S Transp wind spd.24 25 23 23 25 26 25 24 23 24 26 26 Smoke Dispersal.GD FR PR PR FR FR FR FR FR FR FR FR .MONDAY... Max temperature.....Around 80. Min humidity........48 percent. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CDY CDY CDY CDY CDY MC MC MC MC PC PC PC Sky (%).........98 97 94 91 88 84 80 76 62 49 35 32 Weather cov.....LKY LKY LKY LKY SCH SCH SCH DEF DEF Weather type....RW RW RW RW RW RW RW RW RW Tstm cov........CHC SCH SCH SCH SCH SCH SCH DEF DEF Chc of pcpn (%).60 70 70 70 10 10 10 20 20 20 90 90 Chc of thdr (%).40 20 20 20 10 10 10 20 20 20 70 70 Temp............58 59 60 62 68 70 73 77 80 80 79 78 Dewpoint........55 56 57 58 59 61 62 62 62 61 59 57 RH..............89 89 89 86 73 73 69 59 55 52 50 48 20 FT wind dir..S S S S S S S S S SSW SSW SSW 20 FT wind spd..21 22 22 23 24 24 25 25 26 28 28 25 20 FT wind gust.32 31 33 35 35 35 36 37 38 39 39 36 Mix hgt (kft)...0.9 0.9 1.2 1.3 1.5 1.7 2.0 2.4 2.8 3.6 4.4 3.5 Transp wind dir.S S S S S S S S SSW SSW SSW SSW Transp wind spd.26 25 26 29 31 35 36 37 43 44 41 36 Smoke Dispersal.FR FR FR GD GD GD EX EX EX EX EX EX $$ Forecaster...JM Requested by...Dan Paulson Type of request...WILDFIRE .TAG 2511887.0/FSD .DELDT 04/27/25 .FormatterVersion 2.0.0