FNUS73 KMKX 241310 FWSMKX Spot Forecast for Empire Ashton Rx...WISCONSIN DNR National Weather Service Milwaukee/Sullivan WI 810 AM CDT Thu Oct 24 2024 Forecast is based on ignition time of 1200 CDT on October 24. Please contact the National Weather Service if conditions become unrepresentative or if you have questions/concerns about this forecast. .DISCUSSION... Light winds early this morning will pick up a bit out of the south later morning into the afternoon. Plenty of sunshine is expected into this afternoon, which will allow min RH values to drop to around 30 percent. Could see RH values even dip into the upper 20s given enough mixing. Clouds and humidity will increase this evening into tonight, with rain showers also expected tonight. .REST OF TODAY... Sky/weather.........Sunny (20-30 percent) then becoming partly sunny (55-65 percent). Temperature.........57 at ignition...Max 63. RH..................43 percent at ignition...Min 30 percent. Wind (20 ft)........Winds south at 8 mph at ignition...otherwise South winds 7 to 8 mph. Mixing height.......2200 ft AGL at ignition...otherwise 2900 ft AGL. Transport winds.....South 12 to 14 mph. Smoke dispersal.....Fair /24400 knot-ft/ at ignition. Max...good /32400 knot-ft/. Haines Index........4 or low potential for large plume dominated fire growth at ignition...max 5. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 7 40 45 51 64 Weather cov..... Weather type.... Tstm cov........ Temp............57 60 61 62 62 61 RH..............43 37 35 32 31 33 20 FT wind dir..S S S S S S 20 FT wind spd..8 8 8 8 8 7 20 FT wind gust.11 12 13 13 13 13 Mix hgt (kft)...2.2 2.6 2.8 2.9 2.7 0.8 Transp wind dir.S S S S S S Transp wind spd.13 13 13 13 14 12 Haines index....4 5 5 5 5 5 SDspl kt-ft/100024 29 31 31 32 8 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers overnight. Temperature.........Min 47. RH..................Max 99 percent. Wind (20 ft)........South winds 5 to 8 mph with gusts to around 16 mph becoming light. Gusty and erratic winds expected near thunderstorms late in the evening. Gusty and erratic winds expected near thunderstorms in the late evening and overnight. Mixing height.......400 ft AGL. Transport winds.....South 12 to 20 mph decreasing to 9 to 12 mph overnight. Smoke dispersal.....Poor (4300 knot-ft). Haines Index........2 to 5 or very low to moderate potential for large plume dominated fire growth. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........74 78 78 83 89 92 95 99 98 97 95 87 Weather cov..... CHC LKY LKY DEF DEF DEF LKY CHC CHC Weather type.... RW RW RW RW RW RW RW RW RW Tstm cov........ SCH CHC CHC CHC CHC CHC CHC Temp............58 55 54 53 54 53 50 49 49 49 49 49 RH..............37 43 46 46 48 57 74 83 86 89 89 93 20 FT wind dir..SE SE S S S S S S S S S SW 20 FT wind spd..6 6 7 7 7 8 6 6 6 5 5 4 20 FT wind gust.13 13 14 14 16 16 13 12 11 10 8 8 Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.5 0.5 0.7 0.5 0.8 0.9 1.0 Transp wind dir.S S S S S S S S S S S SW Transp wind spd.12 12 14 16 17 20 15 16 10 12 10 9 Haines index....5 4 4 4 4 4 4 2 2 2 2 2 SDspl kt-ft/10005 4 5 6 7 8 6 10 5 8 8 8 .FRIDAY... Sky/weather.........Partly sunny (45-55 percent) then becoming sunny (15-25 percent). Slight chance of rain showers early in the morning. Temperature.........Max 59. RH..................Min 52 percent. Wind (20 ft)........Light winds becoming northwest 5 to 12 mph. Mixing height.......3700 ft AGL. Transport winds.....West 7 to 14 mph shifting to the northwest 18 to 21 mph in the late morning and afternoon. Smoke dispersal.....Poor (3800 knot-ft) early in the morning increasing to excellent (67100 knot-ft) in the afternoon. Haines Index........2 to 5 or very low to moderate potential for large plume dominated fire growth. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........75 65 59 50 49 47 41 34 28 22 20 20 Weather cov.....SCH Weather type....RW Tstm cov........ Temp............48 48 49 51 52 53 55 57 57 58 58 55 RH..............93 96 93 86 83 80 72 64 62 57 53 57 20 FT wind dir..W W NW NW NW NW NW NW NW NW NW NW 20 FT wind spd..4 5 6 7 9 9 9 10 10 11 11 9 20 FT wind gust.10 10 11 13 14 14 14 16 16 17 17 14 Mix hgt (kft)...0.7 0.5 0.8 1.5 1.9 2.2 2.6 2.9 3.2 3.5 3.7 2.6 Transp wind dir.W W NW NW NW NW NW NW NW NW NW NW Transp wind spd.7 9 14 18 20 21 21 21 21 21 21 18 Haines index....2 4 4 4 4 4 4 5 5 5 5 5 SDspl kt-ft/10004 4 9 24 32 40 46 53 58 62 67 42 $$ Forecaster...DDV Requested by...Nate Fayram Type of request...PRESCRIBED .TAG 2424792.0/MKX .DELDT 10/24/24 .FormatterVersion 2.0.0 .EMAIL nathan.fayram@wi.gov