FNUS72 KJAX 190440 FWSJAX Spot Forecast for Units 24 25 and 34...FWC National Weather Service Jacksonville FL 1240 AM EDT Thu Mar 19 2026 Forecast is based on ignition time of 0800 EDT on March 19. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (904) 741-4370 if you have questions or concerns with this forecast. .DISCUSSION... Breezy flow out of the north to northeast as well as good daytime dispersions are expected today, along with cool conditions and RH values dropping to around 35 to 40% at peak mixing. Flow will subside slightly on Friday with similar RH expected, though higher mixing heights will result in similar or slightly higher dispersions in the 65 to 70 range. Otherwise, no significant weather impacts expected aside from the ongoing severe to extreme drought conditions. .REST OF TODAY... TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........14 7 6 9 11 14 22 30 37 37 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 Temp............43 48 54 61 65 68 69 70 69 68 RH..............96 80 71 60 50 43 39 38 37 39 Heat index (F)..39 44 54 61 65 68 69 70 69 68 20 FT wind dir..N N N N N N NE NE NE NE 20 FT wind spd..7 9 12 13 13 13 14 13 13 13 20 FT wind gust.10 14 17 20 20 20 21 20 20 20 Mix hgt (kft)...0.7 1.3 2.0 2.7 3.2 3.6 4.1 3.9 3.7 3.5 Transp wind dir.N N N N N N N N N N Transp wind spd.14 15 17 18 17 17 16 16 16 16 Dispersion idx..15 26 42 54 58 61 62 60 58 55 LVORI...........5 3 3 1 1 1 1 1 1 1 .TONIGHT... TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........43 50 47 54 65 61 50 35 20 15 14 11 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 10 10 10 10 10 0 0 0 0 Temp............65 61 56 53 52 50 49 48 47 46 44 44 RH..............43 49 62 71 74 80 83 89 93 96 100 100 Heat index (F)..65 61 56 53 52 49 48 47 46 45 42 42 20 FT wind dir..NE NE NE NE N N N N N N N N 20 FT wind spd..12 10 7 6 3 3 3 3 3 3 3 3 20 FT wind gust.17 16 10 9 6 6 6 6 6 6 6 6 Mix hgt (kft)...2.6 1.8 0.9 0.8 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.4 Transp wind dir.N N N N N N N N N N N N Transp wind spd.15 14 13 12 12 10 10 10 9 10 10 10 Dispersion idx..44 31 10 8 8 5 5 4 4 4 5 5 LVORI...........1 1 3 3 3 4 4 5 6 7 9 9 .FRIDAY... TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........8 8 5 6 4 1 3 4 6 5 4 3 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............44 44 45 50 58 64 69 72 73 75 75 73 RH..............100 100 100 89 69 60 51 46 43 38 37 40 Heat index (F)..42 41 43 48 58 64 69 72 73 75 75 73 20 FT wind dir..N N N N N NE NE NE NE NE NE NE 20 FT wind spd..3 5 5 6 6 7 7 8 8 8 8 8 20 FT wind gust.6 7 7 12 14 15 16 16 16 16 15 15 Mix hgt (kft)...0.4 0.4 0.4 1.4 2.4 3.5 4.0 4.5 5.0 5.0 4.9 4.8 Transp wind dir.N NN N NE NE NE NE NE NE NE NE Transp wind spd.10 10 12 13 14 14 14 13 12 12 10 10 Dispersion idx..5 5 11 23 43 60 66 67 68 64 61 58 LVORI...........9 9 7 4 1 1 1 1 1 1 1 1 $$ Forecaster...Dubois Requested by...Storm Wittenberg Type of request...PRESCRIBED .TAG 2606355.0/JAX .DELDT 03/19/26 .FormatterVersion 2.0.0 .EMAIL storm.wittenberg@myfwc.com