321
FNUS73 KGRR 161204
FWSGRR
SPOT FORECAST FOR PEACOCK 545...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
704 AM EST TUE DEC 16 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON DECEMBER 16.
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
SKIES WILL BE CLOUDY THIS MORNING AND LIKELY THIS AFTERNOON AS
WELL. THERE WILL BE A CHANCE FOR A FEW BREAKS AND THEREFORE SOME
SUNSHINE IN THE EARLY AFTERNOON HOURS HOWEVER. TEMPERATURES WILL
RISE FROM AROUND 19F AT IGNITION TO AROUND 34F THIS AFTERNOON FOR
A HIGH. THE MAIN ITEM OF NOTE TODAY WILL BE THE WIND. SOUTH WINDS
AT IGNITION AROUND 10 MPH WILL STEADILY INCREASE THROUGH THE
MORNING. WINDS WILL BE FROM THE SOUTH-SOUTHWEST (190-200 DEGREES)
AT 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS TODAY. THE POTENTIAL
GUSTS, WINDS IN THE MIXED LAYER, REACH TOWARDS 30 KNOTS PEAKING
AROUND NOON OR 1PM.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
TEMPERATURE.........19 AT IGNITION...MAX 34.
RH..................84 PERCENT AT IGNITION...MIN 72 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 7 MPH AT IGNITION...OTHERWISE
SOUTH WINDS 7 TO 13 MPH. GUSTS UP TO 28 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......400 FT AGL AT IGNITION...OTHERWISE 1500 FT AGL.
MIXING WINDS........SOUTH 13 TO 22 MPH.
SMOKE DISPERSAL.....50 /POOR/ AT IGNITION. MAX...330 /GOOD/.
TIME (EST) 8 AM 10 AM NOON 2 PM 4 PM 6 PM
SKY (%).........79 89 93 83 85 81
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............21 25 29 33 34 35
RH..............84 84 81 75 75 75
20 FT WIND......S 7 S 9 S 10 S 12 S 12 S 13
20 FT WIND GUST.18 21 23 26 28 28
MIX HGT (FT)....400 1100 1400 1500 900 500
MIXING WIND.....S 13 S 17 SW 20 SW 22 SW 21 SW 18
SMOKE DISPRSL...50 180 280 330 200 90
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
TEMPERATURE.........MIN 27.
RH..................MAX 92 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 14 MPH SHIFTING TO THE
WEST 10 TO 12 MPH OVERNIGHT. GUSTS UP TO 30
MPH.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 21 MPH SHIFTING TO THE WEST 17
TO 18 MPH AFTER 3 AM.
SMOKE DISPERSAL.....70 (POOR).
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
TEMPERATURE.........MAX 35.
RH..................MIN 69 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 10 MPH WITH GUSTS TO AROUND 23
MPH SHIFTING TO THE SOUTHWEST 5 TO 6 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......2100 FT AGL.
MIXING WINDS........WEST 9 TO 17 MPH SHIFTING TO THE SOUTHWEST 8 TO
9 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....80 (POOR) EARLY IN THE MORNING INCREASING TO
340 (GOOD) IN THE AFTERNOON.
FORECASTER...DUKE
REQUESTED BY...KELSEY TUCKER
TYPE OF REQUEST...PRESCRIBED
.TAG 2527736.0/GRR
.DELDT 12/16/25
.FORMATTERVERSION 2.0.0
.EMAIL KELSEY.TUCKER@USDA.GOV
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