783  
FNUS73 KGRR 191309  
FWSGRR  
 
SPOT FORECAST FOR NEWAYGO PRARIE...USFS  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
909 AM EDT MON MAY 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MAY 19.  
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 WEATHER AND COOLER THAN NORMAL TEMPERATURES ARE  
EXPECTED TODAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
TEMPERATURE.........48 AT IGNITION...MAX 64.  
RH..................65 PERCENT AT IGNITION...MIN 39 PERCENT.  
WIND (20 FT)........WINDS EAST AT 6 MPH AT IGNITION...OTHERWISE  
EAST WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......2600 FT AGL AT IGNITION...OTHERWISE 4400 FT  
AGL.  
MIXING WINDS........EAST 12 TO 14 MPH.  
SMOKE DISPERSAL.....300 /GOOD/ AT IGNITION. MAX...570 /GOOD/.  
 
TIME (EDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM  
SKY (%).........70 65 55 53 61 51  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............48 53 59 62 62 60  
RH..............65 54 45 43 41 46  
20 FT WIND......E 6 E 7 E 7 E 8 E 8 E 9  
20 FT WIND GUST.13 14 14 16 16 20  
MIX HGT (FT)....2600 3400 3900 4100 4100 3000  
MIXING WIND.....E 12 E 13 E 12 E 13 E 14 E 15  
SMOKE DISPRSL...300 430 440 520 570 450  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT).  
TEMPERATURE.........MIN 40.  
RH..................MAX 57 PERCENT.  
WIND (20 FT)........EAST WINDS 8 TO 12 MPH WITH GUSTS TO AROUND 26  
MPH.  
MIXING HEIGHT.......700 FT AGL.  
MIXING WINDS........EAST 14 TO 20 MPH.  
SMOKE DISPERSAL.....450 (GOOD) EARLY IN THE EVENING DECREASING TO  
110 (POOR) LATE IN THE NIGHT.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS UNTIL MIDDAY, THEN RAIN SHOWERS  
LIKELY IN THE AFTERNOON.  
TEMPERATURE.........MAX 58.  
RH..................MIN 40 PERCENT.  
WIND (20 FT)........EAST WINDS 13 TO 15 MPH WITH GUSTS TO AROUND 32  
MPH.  
MIXING HEIGHT.......3000 FT AGL.  
MIXING WINDS........EAST 25 TO 33 MPH.  
SMOKE DISPERSAL.....360 (GOOD) EARLY IN THE MORNING INCREASING TO  
990 (EXCELLENT) IN THE AFTERNOON.  
 

 
FORECASTER...FELVER  
REQUESTED BY...KELSEY TUCKER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514254.0/GRR  
.DELDT 05/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KELSEY.TUCKER@USDA.GOV  
 
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