093  
FNUS73 KGRR 281152  
FWSGRR  
 
SPOT FORECAST FOR SE PEACOCK 3...USFS  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
752 AM EDT THU MAY 28 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MAY 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (616) 949-5150, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
DRY CONDITIONS AND LIGHT NORTHEAST WINDS  
ARE EXPECTED THROUGH THE PERIOD.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
TEMPERATURE.........64 AT IGNITION...MAX 82.  
RH..................46 PERCENT AT IGNITION...MIN 25 PERCENT.  
WIND (20 FT)........WINDS NORTHEAST AT 5 MPH AT  
IGNITION...OTHERWISE NORTHEAST WINDS AROUND 5  
MPH IN THE LATE MORNING AND EARLY AFTERNOON  
BECOMING LIGHT.  
MIXING HEIGHT.......2300 FT AGL AT IGNITION...OTHERWISE 4400 FT  
AGL.  
MIXING WINDS........NORTHEAST 6 TO 12 MPH.  
SMOKE DISPERSAL.....270 /FAIR/ AT IGNITION. MAX...420 /GOOD/.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM  
SKY (%).........1 1 1 1 4 0 1 2 1 1 4 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............64 68 71 74 77 79 80 81 80 79 76 69  
RH..............46 40 36 33 29 27 26 25 27 28 33 42  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE E N  
20 FT WIND SPD..5 5 5 5 5 3 3 3 3 3 2 2  
20 FT WIND GUST.12 12 12 12 12 10 9 9 9 8 8 8  
MIX HGT (KFT)...2.3 3.0 3.3 3.8 4.0 4.2 4.3 4.4 4.3 3.9 1.6 0.5  
MIXING WIND DIR.NE NE NE NE NE NE NE E NE E E S  
MIXING WIND SPD.12 12 12 10 10 8 8 6 7 6 6 5  
SMOKE DISPRSL...270 340 380 400 420 330 340 250 290 230 90 20  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
TEMPERATURE.........MIN 50.  
RH..................MAX 77 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
MIXING WINDS........EAST 6 TO 7 MPH SHIFTING TO THE SOUTH AROUND 5  
MPH LATE IN THE EVENING, THEN SHIFTING TO THE  
WEST AROUND 6 MPH LATE IN THE EVENING SHIFTING  
TO THE SOUTH 5 TO 8 MPH LATE IN THE EVENING.  
SMOKE DISPERSAL.....290 (FAIR) EARLY IN THE EVENING DECREASING TO  
20 (POOR) LATE IN THE NIGHT.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
TEMPERATURE.........MAX 81.  
RH..................MIN 27 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......3700 FT AGL.  
MIXING WINDS........WEST 8 TO 15 MPH INCREASING TO 14 TO 15 MPH IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....30 (POOR) EARLY IN THE MORNING INCREASING TO  
520 (GOOD) IN THE AFTERNOON.  
 

 
FORECASTER...FELVER  
REQUESTED BY...BRANDON KELLEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614593.0/GRR  
.DELDT 05/28/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRANDON.KELLEY@USDA.GOV  
 
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