879  
FNUS73 KGRB 291025  
FWSGRB  
 
SPOT FORECAST FOR GANCHOW MIDDLE RX...DNR  
NATIONAL WEATHER SERVICE GREEN BAY WI  
525 AM CDT THU MAY 29 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON MAY 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION  
LIGHT SHOWERS WILL BE POSSIBLE AT TIMES TODAY, ESPECIALLY  
THIS MORNING. CLOUDY BUT DRIER CONDITIONS ARE EXPECTED DURING THE MID TO  
LATE AFTERNOON, WITH THE BEST BURNING CONDITIONS EXPECTED LATE IN THE  
DAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........CLOUDY (85-100 PERCENT). CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF  
RAIN SHOWERS EARLY TO MID AFTERNOON.  
MAX TEMPERATURE.....NEAR 70.  
MIN HUMIDITY........45 TO 50 PERCENT.  
WIND (20 FT)........NORTH WINDS 3 TO 7 MPH EARLY IN THE MORNING,  
THEN BECOMING WEST 5 TO 8 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......MAX 4800 FT AGL.  
TRANSPORT WINDS.....NORTH 6 TO 10 MPH SHIFTING TO THE WEST BY MID  
AFTERNOON.  
SMOKE DISPERSAL.....POOR (3600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (33300 KNOT-FT) LATE IN THE  
AFTERNOON.  
 
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........87 88 90 90 89 86 82 79 76 74 71  
WEATHER COV.....CHC CHC CHC CHC CHC SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............54 56 58 60 62 65 66 68 69 70 70  
RH..............86 80 75 69 62 56 54 49 47 45 45  
20 FT WIND DIR..N N N N NW W W W W W SW  
20 FT WIND SPD..6 5 5 3 3 3 5 6 7 7 7  
20 FT WIND GUST.12 10 9 8 7 6 7 7 8 8 9  
MIX HGT (KFT)...0.4 0.8 1.1 1.6 2.0 3.1 4.0 3.9 4.5 4.8 4.8  
TRANSP WIND DIR.N N N N N NE NE W W W W  
TRANSP WIND SPD.9 10 9 7 6 6 7 6 7 7 8  
SDSPL KT-FT/10004 7 9 10 10 16 24 20 27 29 33  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT). PATCHY SMOKE  
OVERNIGHT.  
MIN TEMPERATURE.....AROUND 52.  
MAX HUMIDITY........86 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 13 MPH.  
SMOKE DISPERSAL.....FAIR (29800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3800 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........63 62 61 61 60 57 52 43 40 40 38 37  
WEATHER COV..... PTY PTY PTY PTY PTY  
WEATHER TYPE.... SMK SMK SMK SMK SMK  
TSTM COV........  
TEMP............69 67 64 62 60 58 56 55 54 54 53 53  
RH..............47 52 60 65 72 77 80 83 83 83 86 86  
20 FT WIND DIR..SW SW SW SW W W W W W W W W  
20 FT WIND SPD..6 6 6 5 6 6 6 7 7 7 7 7  
20 FT WIND GUST.9 9 8 8 8 9 10 13 13 13 13 13  
MIX HGT (KFT)...3.7 1.2 0.6 0.6 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.W W W W W W W W W W W NW  
TRANSP WIND SPD.9 10 9 9 9 12 12 12 13 12 12 10  
SDSPL KT-FT/100030 11 5 4 4 5 5 5 5 5 4 4  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). PATCHY SMOKE  
THROUGH THE DAY. CHANCE OF RAIN SHOWERS EARLY  
IN THE AFTERNOON. RAIN SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........40 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS INCREASING TO 10 TO 15 MPH  
WITH GUSTS TO 20 TO 25 MPH IN THE LATE MORNING AND  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......6100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 18 MPH INCREASING TO 23 TO 28  
MPH BY MIDDAY, THEN SHIFTING TO THE NORTH  
17 TO 22 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (147400 KNOT-FT) IN  
THE EARLY TO MID AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........37 40 44 48 55 59 62 65 67 67 64 55  
WEATHER COV.....PTY PTY PTY PTY PTY PTY PTY CHC CHC CHC LKY LKY  
WEATHER TYPE....SMK SMK SMK SMK SMK SMK SMK RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC  
TEMP............53 55 60 65 69 72 75 77 78 78 78 78  
RH..............86 83 72 63 55 49 45 42 40 40 40 40  
20 FT WIND DIR..W W W NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..8 8 9 10 12 12 13 14 14 15 15 13  
20 FT WIND GUST.13 14 15 18 21 22 23 23 24 24 23 22  
MIX HGT (KFT)...0.4 0.5 1.1 1.6 2.5 3.2 4.7 6.1 6.0 5.1 4.0 3.3  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW N N N  
TRANSP WIND SPD.12 12 16 15 18 22 25 28 26 24 21 17  
SDSPL KT-FT/10004 5 16 20 40 60 104 147 139 107 71 49  
 
 
FORECASTER...KIECKBUSCH  
REQUESTED BY...TRAVIS LARSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514885.0/GRB  
.DELDT 05/29/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TRAVIS.LARSON@WISCONSIN.GOV  
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