Spot Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
598 FNUS72 KJAX 170725 FWSJAX Spot Forecast for Hickory Sink Forest 08.17.26...University of Florida National Weather Service Jacksonville FL 325 AM EDT Mon Aug 17 2026 Forecast is based on ignition time of 0600 EDT on August 17. 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. ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... .DISCUSSION... Scattered showers and thunderstorms will be possible near or over the burn site today, mainly during the mid to late afternoon hours. Otherwise, westerly surface and transport winds will prevail through mid-afternoon, with surface winds shifting to southwesterly and becoming breezy late this afternoon as the Gulf sea breeze boundary pushes eastward across the burn site. Showers and thunderstorms should push east of the area before sunset this evening, with westerly transport winds remaining sustained around 10 mph overnight. Scattered to numerous mainly afternoon and evening showers and thunderstorms are then forecast on Tuesday, with breezy westerly transport winds prevailing. Fair to good daytime dispersion values are forecast today and Tuesday. .TODAY... TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........22 15 19 17 12 19 25 40 63 64 59 55 Weather cov..... SCH SCH CHC CHC CHC CHC Weather type.... RW RW RW RW RW RW Tstm cov........ SCH SCH CHC CHC CHC CHC Chc of pcpn (%).0 0 0 10 10 10 20 20 40 50 40 30 Chc of thdr (%).0 0 0 10 10 10 20 20 40 50 40 30 Temp............77 76 78 82 88 91 93 94 95 94 94 91 RH..............97 100 97 88 75 65 60 60 55 55 55 60 Heat index (F)..77 76 78 91 103 108 109 110 110 109 109 105 20 FT wind dir..W W W W W W W W W W W SW 20 FT wind spd..3 2 3 5 7 8 8 8 9 9 12 12 20 FT wind gust.9 9 10 12 14 15 15 15 15 17 18 20 Mix hgt (kft)...0.5 0.5 0.5 1.4 2.4 3.3 3.8 4.2 4.7 3.9 3.2 2.4 Transp wind dir.W W W W W W W W W W W W Transp wind spd.7 8 8 9 10 10 10 9 9 10 12 13 Dispersion idx..3 4 10 20 30 45 45 45 50 45 40 35 LVORI...........8 9 7 4 3 1 1 1 1 1 1 1 .TONIGHT... TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........60 66 62 60 58 68 53 47 50 35 18 19 Weather cov.....CHC CHC Weather type....RW RW Tstm cov........CHC CHC Chc of pcpn (%).40 30 10 10 10 10 0 0 0 0 0 0 Chc of thdr (%).40 30 10 10 10 10 0 0 0 0 0 0 Temp............91 88 85 83 82 81 81 80 79 79 79 79 RH..............60 65 75 82 85 88 88 91 94 91 91 91 Heat index (F)..105 99 96 92 90 88 88 87 79 79 79 79 20 FT wind dir..W SW SW SW W W SW W SW W W W 20 FT wind spd..12 10 9 8 6 5 5 5 5 3 3 5 20 FT wind gust.20 20 18 16 15 14 13 13 13 13 13 13 Mix hgt (kft)...1.8 1.2 0.6 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.W W W W W W W W W W W W Transp wind spd.13 12 10 10 10 10 9 9 9 9 9 9 Dispersion idx..30 30 15 10 7 7 6 6 5 4 4 4 LVORI...........2 3 4 4 4 5 5 6 6 6 6 6 .TUESDAY... TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........20 17 30 48 20 35 39 38 82 82 82 82 Weather cov..... SCH SCH SCH CHC CHC CHC LKY Weather type.... RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH CHC CHC CHC LKY Chc of pcpn (%).0 0 20 20 10 10 0 20 50 50 50 60 Chc of thdr (%).0 0 20 20 10 10 0 20 70 70 70 70 Temp............78 77 79 83 87 89 90 92 92 92 93 91 RH..............94 97 94 88 80 75 70 65 65 65 60 65 Heat index (F)..78 77 79 94 103 108 108 111 111 111 110 108 20 FT wind dir..W W W W W W W W W W SW SW 20 FT wind spd..3 3 5 7 9 10 10 9 8 9 10 12 20 FT wind gust.12 12 7 10 14 16 16 14 13 14 16 17 Mix hgt (kft)...0.6 0.7 0.9 1.5 2.1 2.7 3.0 3.4 3.7 2.9 2.0 1.2 Transp wind dir.W W W W W W W W W W W W Transp wind spd.9 10 10 12 12 12 12 12 12 12 13 13 Dispersion idx..4 5 15 25 30 40 45 50 40 40 30 25 LVORI...........6 8 5 4 3 3 3 1 3 3 2 3 $$ Forecaster...Nelson Requested by...Cully Lord Type of request...PRESCRIBED .TAG 2619798.0/JAX .DELDT 08/17/26 .FormatterVersion 2.0.0 .EMAIL cully@ufl.edu