FNUS74 KBMX 122300 FWSBMX Spot Forecast for Loop Road A & B...USFS National Weather Service Birmingham AL 500 PM CST Fri Dec 12 2025 Forecast is based on ignition time of 1700 CST on December 12. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Relative humidity values are currently right around 40% at the site. RH values will increase through the night, reaching 100% by midnight. Winds will remain light and variable overnight and through the morning hours. Transport winds will generally be out of the west, from 5-10 MPH. Moisture will increase across the region tomorrow with min RHs only dropping down to 60-65% Saturday afternoon. Rain chances increase (30-60%) during the evening and overnight hours Saturday ahead of a cold front early Sunday morning. .REST OF TODAY... Sky/weather.........Sunny (10-20 percent). CWR.................0 percent. Max temperature.....Around 61. Min humidity........42 percent. Wind (20 ft)........Light winds. Mixing height.......300 ft AGL. Transport winds.....West around 9 mph. Dispersion index....3. LVORI...............2. TIME (CST) 5PM Sky (%).........17 Weather cov..... Weather type.... Tstm cov........ CWR.............0 Temp............50 RH..............71 20 FT wind dir..SW 20 FT wind dir..240 20 FT wind spd..2 20 FT wind gust.7 Mix hgt (kft)...0.3 Transp wind dir.W Transp wind spd.9 Dispersion idx..3 LVORI...........2 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). CWR.................0 percent. Min temperature.....Around 38. Max humidity........100 percent. Wind (20 ft)........Light winds. Mixing height.......200 ft AGL. Transport winds.....West 6 to 9 mph. Dispersion index....3. LVORI...............7. TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........19 8 8 8 9 9 5 10 14 15 28 40 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............47 46 44 43 42 41 41 41 40 40 39 40 RH..............79 79 86 93 93 96 100 96 100 96 100 96 20 FT wind dir..SW SW W W W W W W W W NW NW 20 FT wind dir..240 240 250 260 250 250 270 280 280 280 300 310 20 FT wind spd..2 2 2 2 2 2 2 2 2 2 2 2 20 FT wind gust.6 6 6 6 6 6 6 6 6 5 5 5 Mix hgt (kft)...0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Transp wind dir.W W W W W W W W W W W W Transp wind spd.9 9 9 9 8 8 8 7 7 6 6 6 Dispersion idx..3 3 3 3 2 3 4 3 3 3 3 3 LVORI...........5 5 5 6 6 6 9 9 9 9 9 9 .SATURDAY... Sky/weather.........Mostly sunny (35-45 percent). CWR.................10 percent. Max temperature.....Around 63. Min humidity........60 percent. Wind (20 ft)........Light winds. Mixing height.......2100 ft AGL. Transport winds.....West 5 to 10 mph. Dispersion index....6 increasing to 21 early in the afternoon, then increasing to 28 early in the afternoon decreasing to 6 late in the afternoon. LVORI...............6. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........51 62 53 26 18 36 39 46 48 50 56 64 Weather cov..... Weather type.... Tstm cov........ CWR.............10 10 10 10 10 10 0 0 0 10 10 10 Temp............38 40 43 49 53 56 60 61 61 62 60 57 RH..............100 100 100 83 74 69 60 60 62 60 67 80 20 FT wind dir..NW NW NW NW W W SW SW SW SW SW SW 20 FT wind dir..310 300 320 300 250 250 240 230 230 240 240 240 20 FT wind spd..2 2 2 2 2 2 2 2 2 2 2 2 20 FT wind gust.5 4 5 5 6 6 7 7 8 10 8 7 Mix hgt (kft)...0.2 0.3 0.2 0.6 1.0 1.3 1.8 2.0 2.1 2.0 0.7 0.4 Transp wind dir.W W W W W W W SW W W W W Transp wind spd.7 6 6 6 6 5 8 9 10 10 8 8 Dispersion idx..3 3 3 3 3 8 18 23 28 27 7 5 LVORI...........9 9 9 4 4 4 2 2 2 3 3 3 $$ Forecaster...Castillo Requested by...Troy McFarland Type of request...PRESCRIBED .TAG 2527582.0/BMX .DELDT 12/12/25 .FormatterVersion 2.0.0