FNUS73 KLMK 141404 FWSLMK Spot Forecast for Unit 21...USFWS National Weather Service Louisville KY 1004 AM EDT Tue Apr 14 2026 Forecast is based on ignition time of 1000 EDT on April 14. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...Mostly dry today, with gusty southwest winds around 15 mph. There is a low chance for a few showers and storms this afternoon, mainly between 1-2pm. Otherwise, expect excellent vent rates as transport winds gust to nearly 30 mph. Temperatures will be warm today with low 80s by the afternoon. Additional rain shower chances for tomorrow, with some thunderstorms in the afternoon, mainly north of the Ohio River. .REST OF TODAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of showers early in the afternoon. Slight chance of showers and thunderstorms early in the afternoon. Temperature.........72 at ignition...Max 82. RH..................73 percent at ignition...Min 52 percent. Wind (20 ft)........Winds southwest at 8 mph at ignition...otherwise Southwest winds 8 to 9 mph with gusts to around 15 mph. Gusty and erratic winds expected near thunderstorms early in the afternoon. Mixing height.......2100 ft AGL at ignition...otherwise 5000 ft AGL. Transport winds.....Southwest 24 to 28 mph. Smoke dispersal.....Fair /44700 knot-ft/ at ignition. Max...excellent /105000 knot-ft/. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........46 50 47 55 32 38 41 30 Weather cov..... CHC SCH Weather type.... RW RW Tstm cov........ SCH Temp............72 74 76 78 79 81 82 82 RH..............73 71 69 64 62 58 56 56 20 FT wind dir..SW SW SW SW SW SW SW SW 20 FT wind spd..8 8 7 7 7 8 7 8 20 FT wind gust.15 15 15 15 15 15 15 15 Mix hgt (kft)...2.1 3.0 3.7 4.2 4.6 5.0 5.0 4.6 Transp wind dir.SW SW SW SW SW SW SW SW Transp wind spd.24 28 28 26 24 24 24 24 SDspl kt-ft/100045 71 88 97 97 104 105 97 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Temperature.........Min 66. RH..................Max 78 percent. Wind (20 ft)........Southwest winds 6 to 7 mph. Gusts up to 20 mph early in the evening. Mixing height.......400 ft AGL. Transport winds.....Southwest 16 to 22 mph. Smoke dispersal.....Good (64600 knot-ft) early in the evening decreasing to poor (5700 knot-ft) late in the night. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........33 23 42 30 39 34 24 27 29 38 34 38 Weather cov..... Weather type.... Tstm cov........ Temp............82 81 80 76 75 74 73 72 71 70 70 68 RH..............55 54 56 66 66 69 68 71 73 73 71 76 20 FT wind dir..SW SW SW S SW SW SW SW SW SW SW SW 20 FT wind spd..6 6 5 5 5 5 5 5 5 5 5 5 20 FT wind gust.14 12 11 11 11 11 12 11 12 12 11 11 Mix hgt (kft)...3.4 1.9 0.7 0.4 0.4 0.6 0.6 0.6 0.6 0.7 0.7 0.8 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW Transp wind spd.22 21 18 18 18 18 18 18 18 17 17 16 SDspl kt-ft/100065 35 11 6 7 9 9 9 10 10 11 11 .WEDNESDAY... Sky/weather.........Mostly sunny (40-50 percent). Slight chance of showers in the morning and early afternoon. Chance of showers and slight chance of thunderstorms late in the afternoon. Temperature.........Max 83. RH..................Min 49 percent. Wind (20 ft)........Southwest winds 6 to 8 mph. Gusts up to 20 mph late in the morning. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......5400 ft AGL. Transport winds.....Southwest 15 to 23 mph increasing to 26 to 28 mph late in the morning. Smoke dispersal.....Poor (7200 knot-ft) early in the morning increasing to excellent (106300 knot-ft) in the afternoon increasing to excellent (121600 knot-ft) late in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........39 57 28 33 43 53 54 55 56 57 59 60 Weather cov..... SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC Weather type.... RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH Temp............68 68 67 69 72 75 78 80 81 82 83 83 RH..............76 76 78 76 71 66 62 58 56 55 51 49 20 FT wind dir..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT wind spd..5 5 5 6 6 6 6 7 7 7 7 6 20 FT wind gust.11 11 11 12 13 14 14 14 14 14 14 13 Mix hgt (kft)...0.6 0.6 0.7 1.1 1.8 2.5 3.3 4.0 4.6 5.2 5.4 5.1 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW Transp wind spd.15 15 16 20 23 26 28 26 26 28 28 28 SDspl kt-ft/10008 7 9 19 35 57 79 93 106 124 129 122 $$ Forecaster...CJP Requested by...Casey Mefford Type of request...PRESCRIBED .TAG 2610289.0/LMK .DELDT 04/14/26 .FormatterVersion 2.0.0 .EMAIL casey_mefford@fws.gov