FNUS73 KMKX 271243 FWSMKX Spot Forecast for Dorn Prairie RX burn...WI DNR National Weather Service Milwaukee/Sullivan WI 743 AM CDT Mon Oct 27 2025 Forecast is based on ignition time of 0800 CDT on October 27. Please contact the National Weather Service if conditions become unrepresentative or if you have questions/concerns about this forecast. .DISCUSSION... For the burn site, expect temperatures around 40 at the ignition time with temperatures rising to around 60 this afternoon. Morning RH values will be around 90% and dip into the mid 40s this afternoon. Sunny conditions will promote mixing heights around 3500ft this afternoon, while moderate east-southeast transport winds between 15 to 20 mph will support good smoke dispersal. With the burn site relatively exposed to the east-southeast winds, expect smoke to be advected to the west and northwest. .REST OF TODAY... Sky/weather.........Sunny (15-25 percent). Temperature.........39 at ignition...Max 59. RH..................92 percent at ignition...Min 44 percent. Wind (20 ft)........Winds east at 6 mph at ignition...otherwise East winds 6 to 12 mph. Mixing height.......400 ft AGL at ignition...otherwise 3500 ft AGL. Transport winds.....East 12 to 18 mph. Smoke dispersal.....Poor /4100 knot-ft/ at ignition. Max...good /56400 knot-ft/. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........33 31 29 22 16 9 11 12 14 14 Weather cov..... Weather type.... Tstm cov........ Temp............39 44 49 52 54 56 58 59 57 54 RH..............92 86 77 69 61 53 47 45 47 52 20 FT wind dir..E E E E E E E E E E 20 FT wind spd..6 7 8 9 10 11 12 11 11 10 20 FT wind gust.10 12 14 16 17 17 17 17 16 16 Mix hgt (kft)...0.4 0.6 1.3 2.0 2.7 3.1 3.5 3.5 3.3 2.0 Transp wind dir.E E E E E E E E E E Transp wind spd.12 13 16 16 17 18 18 17 17 16 SDspl kt-ft/10004 7 18 28 41 50 56 53 49 29 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (55-65 percent). Temperature.........Min 40. RH..................Max 99 percent. Wind (20 ft)........East winds 6 to 9 mph. Gusts up to 20 mph early in the evening. Mixing height.......400 ft AGL. Transport winds.....East 13 to 16 mph. Smoke dispersal.....Poor (4600 knot-ft). TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........15 15 14 14 13 21 29 37 43 50 56 60 Weather cov..... Weather type.... Tstm cov........ Temp............51 48 46 44 42 42 41 41 41 42 42 42 RH..............59 65 73 79 89 89 92 92 92 93 93 93 20 FT wind dir..E E E E E E E E E E E E 20 FT wind spd..9 8 7 7 6 6 6 6 6 6 6 6 20 FT wind gust.16 14 14 13 12 12 12 12 12 12 12 12 Mix hgt (kft)...0.6 0.4 0.4 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.E E E E E E E E E E E E Transp wind spd.14 16 15 14 15 13 13 13 14 14 13 13 SDspl kt-ft/10007 6 6 5 6 5 5 5 5 5 5 5 $$ Forecaster...Miller Requested by...Julie Widholm Type of request...PRESCRIBED .TAG 2524524.0/MKX .DELDT 10/27/25 .FormatterVersion 2.0.0 .EMAIL julie.widholm@wisconsin.gov