Spot Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
902 FNUS72 KJAX 180450 FWSJAX Spot Forecast for Hickory Sink 08.18.26...University of Florida National Weather Service Jacksonville FL 1250 AM EDT Tue Aug 18 2026 Forecast is based on ignition time of 0600 EDT on August 18. 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. ...EXTREME HEAT WARNING IN EFFECT TODAY... .DISCUSSION... The region will be between high pressure to the south, and a frontal zone to the north this week. Thunderstorm chances are forecast this afternoon and evening, and again Wednesday afternoon and evening. A few strong storms will be possible. Gusty and erratic winds can be expected in and near storms. It will be abnormally hot this week. .TODAY... TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........21 21 12 15 9 18 35 51 64 64 66 70 Weather cov..... SCH CHC CHC Weather type.... RW RW RW Tstm cov........ SCH CHC CHC Chc of pcpn (%).10 10 10 10 10 10 10 10 10 20 40 50 Chc of thdr (%).0 0 10 10 10 10 20 30 50 50 50 60 Temp............80 79 81 86 88 91 93 94 95 95 95 95 RH..............91 94 91 77 72 66 60 58 54 54 54 54 Heat index (F)..87 79 89 100 103 109 110 110 110 110 112 112 Wind chill (F)..87 79 89 100 103 109 110 110 110 110 112 112 20 FT wind dir..W W W W W W W W W W W W 20 FT wind spd..2 2 2 5 7 9 9 9 9 10 12 12 20 FT wind gust.3 3 3 7 10 14 14 14 14 16 17 17 Mix hgt (kft)...0.5 0.5 0.5 1.3 2.1 2.9 3.4 3.8 4.3 3.7 3.1 2.5 Transp wind dir.W W W W W W W W W W W W Transp wind spd.9 9 10 10 12 13 12 12 12 13 14 15 Dispersion idx..4 4 10 19 31 45 48 52 56 55 48 42 LVORI...........6 6 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 (%).........69 71 72 72 75 67 64 48 42 33 27 26 Weather cov.....CHC CHC CHC CHC CHC SCH SCH Weather type....RW RW RW RW RW RW RW Tstm cov........CHC CHC CHC CHC CHC SCH SCH Chc of pcpn (%).50 50 40 30 30 20 20 10 10 10 10 10 Chc of thdr (%).40 30 10 10 10 10 10 10 0 10 10 0 Temp............92 88 85 82 81 79 80 79 79 78 77 77 RH..............62 70 80 88 91 97 94 97 97 97 97 94 Heat index (F)..107 102 97 91 89 79 87 79 79 78 77 77 Wind chill (F)..107 102 97 91 89 79 87 79 79 78 77 77 20 FT wind dir..W W W W W W W W W W W W 20 FT wind spd..12 10 9 8 7 6 6 5 5 3 3 3 20 FT wind gust.17 16 14 13 10 9 9 7 7 6 6 6 Mix hgt (kft)...1.9 1.3 0.8 0.7 0.6 0.5 0.5 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.14 13 10 10 9 8 8 8 8 8 8 8 Dispersion idx..33 22 10 9 6 6 5 5 5 3 3 3 LVORI...........1 3 4 4 6 6 6 7 7 8 8 7 .WEDNESDAY... TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........24 22 22 34 16 31 36 32 48 65 71 75 Weather cov..... SCH CHC LKY CHC Weather type.... RW RW RW RW Tstm cov........ SCH CHC LKY CHC Chc of pcpn (%).10 10 10 10 10 10 10 10 20 50 60 50 Chc of thdr (%).10 10 10 10 10 10 10 10 20 50 60 50 Temp............77 77 79 81 86 88 91 93 94 94 95 93 RH..............97 97 94 94 82 77 70 66 62 62 58 62 Heat index (F)..77 77 79 90 101 105 109 112 112 112 112 109 Wind chill (F)..77 77 79 90 101 105 109 112 112 112 112 109 20 FT wind dir..W W W NW W W W W W W W W 20 FT wind spd..3 3 3 5 5 6 7 7 7 7 7 7 20 FT wind gust.6 6 10 10 10 10 12 12 13 13 13 13 Mix hgt (kft)...0.5 0.6 0.7 1.3 1.9 2.6 3.3 4.1 4.9 3.8 2.7 1.5 Transp wind dir.W W W W W W W W W W W W Transp wind spd.8 8 8 8 8 8 8 8 8 9 9 10 Dispersion idx..3 4 8 14 21 27 34 40 46 36 30 20 LVORI...........7 8 6 5 3 3 3 1 1 1 2 2 $$ Forecaster...Struble Requested by...Cully Lord Type of request...PRESCRIBED .TAG 2619890.0/JAX .DELDT 08/18/26 .FormatterVersion 2.0.0 .EMAIL cully@ufl.edu