FNUS73 KGRB 070846 FWSGRB Spot Forecast for Marsh Center RXB...DNR National Weather Service Green Bay WI 346 AM CDT Tue Apr 7 2026 Forecast is based on ignition time of 0700 CDT on April 07. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... Have updated the previous spot forecast as relative humidities have been lowered a bit for today. Light transport winds will limit smoke dispersion this morning, but smoke dispersion improves to the good category by mid- afternoon. Still expecting light mixed precipitation changing to rain overnight into early Wednesday, then another round of moderate rain in the late afternoon and early evening. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....Around 41. Min humidity........25 percent. Wind (20 ft)........Light winds becoming south 5 to 7 mph in the afternoon. Mixing height.......4300 ft AGL. Transport winds.....Northeast to east 3 to 5 mph, shifting to the south 5 to 10 mph in the late morning and afternoon, then increasing to 10 to 15 mph late in the afternoon. Smoke dispersal.....Poor (4900 knot-ft) early in the morning increasing to good (45300 knot-ft) in the afternoon. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........1 0 0 0 1 1 1 3 4 7 12 Weather cov..... Weather type.... Tstm cov........ Temp............20 21 22 27 30 34 36 38 39 40 41 RH..............54 52 49 38 35 30 28 26 26 25 25 20 FT wind dir..NE NE SE S S S S S S S S 20 FT wind spd..2 2 2 2 3 4 5 5 6 7 7 20 FT wind gust.5 5 5 5 5 6 8 9 11 12 12 Mix hgt (kft)...1.2 2.1 3.3 3.4 3.6 3.8 4.1 4.3 4.2 4.2 4.1 Transp wind dir.N NE E S S S S S S S S Transp wind spd.5 3 3 3 5 6 7 7 9 10 13 SDspl kt-ft/10005 6 10 10 15 19 25 26 33 38 45 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent) then becoming mostly cloudy (70-80 percent). Light freezing rain, light sleet and chance of snow overnight. Min temperature.....Around 29. Max humidity........82 percent. Wind (20 ft)........South winds 7 to 12 mph. Gusts to 20 to 25 mph overnight. Mixing height.......600 ft AGL. Transport winds.....South 10 to 17 mph increasing to 20 to 23 mph overnight. Smoke dispersal.....Good (44800 knot-ft) early in the evening decreasing to poor (6000 knot-ft) late in the night. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........18 31 35 36 36 49 49 60 71 80 85 90 Weather cov..... SCH CHC CHC DEF DEF Weather type.... SN SN SN SLT FZR Tstm cov........ Temp............39 38 35 32 31 31 31 30 30 31 31 31 RH..............27 31 38 49 58 61 63 66 69 72 75 81 20 FT wind dir..S S SE SE SE S S S S S S S 20 FT wind spd..7 6 6 7 8 9 9 9 10 11 12 12 20 FT wind gust.12 12 12 14 15 18 18 19 20 21 23 23 Mix hgt (kft)...3.7 0.7 0.6 0.6 0.6 0.7 0.8 1.1 1.3 1.4 1.4 1.2 Transp wind dir.S S S S S S S S S S S S Transp wind spd.14 10 12 13 15 16 17 20 22 23 23 22 SDspl kt-ft/100045 7 6 6 8 10 12 19 25 28 28 22 .WEDNESDAY... Sky/weather.........Mostly cloudy (75-85 percent). Light rain or freezing rain likely early. Moderate rain arriving later in the afternoon. Max temperature.....Around 60. Min humidity........57 percent. Wind (20 ft)........South winds 15 to 20 mph with gusts to around 32 mph. Mixing height.......3800 ft AGL. Transport winds.....South 23 to 29 mph increasing to 33 to 38 mph in the late morning and afternoon. Smoke dispersal.....Fair (26300 knot-ft) early in the morning increasing to excellent (115500 knot-ft) in the afternoon increasing to excellent (99100 knot-ft) late in the afternoon. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........90 91 89 85 81 74 69 68 70 74 79 83 Weather cov.....LKY CHC CHC CHC CHC CHC CHC LKY LKY Weather type....RN RN RN RN RN RN RN RN RN Tstm cov........ Temp............32 33 35 38 42 46 50 54 57 59 60 59 RH..............82 82 82 79 70 65 63 59 57 57 58 62 20 FT wind dir..S S S S S S S S S S S S 20 FT wind spd..13 13 16 17 17 18 18 18 18 18 18 17 20 FT wind gust.25 25 26 27 28 29 29 30 32 32 30 28 Mix hgt (kft)...1.3 1.4 1.6 1.8 2.1 2.3 2.6 3.0 3.5 3.8 3.8 3.2 Transp wind dir.S S S S S S S S S SW SW SW Transp wind spd.23 25 29 33 37 36 36 37 38 38 38 36 SDspl kt-ft/100026 30 39 53 67 70 81 97 116 127 127 99 $$ Forecaster...Kieckbusch Requested by...Timothy Holme Type of request...PRESCRIBED .TAG 2609122.0/GRB .DELDT 04/06/26 .FormatterVersion 2.0.0 .EMAIL Timothy.Holme@wisconsin.gov