087
FNUS73 KGRR 070941
FWSGRR
SPOT FORECAST FOR NEWAYGO PRAIRIE...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
541 AM EDT WED OCT 7 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON OCTOBER 07.
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
SOUTHWEST WINDS TURN TO THE NORTHWEST THIS MORNING WITH GUSTS THIS
AFTERNOON AROUND 20 TO 25 MPH. RELATIVE HUMIDITY VALUES WILL DROP
INTO THE 40S THIS AFTERNOON. THERE IS A 20 PERCENT CHANCE VALUES
DROP INTO THE UPPER 30S AFTER 2PM. MIXING HEIGHTS PEAK THIS
AFTERNOON AROUND 4500 FEET.
AROUND SUNSET WINDS TURN BACK TO THE SOUTHWEST BRIEFLY AHEAD OF
ANOTHER FRONT THAT WILL MOVE THROUGH TONIGHT. NORTHWEST WINDS
RETURN BEHIND THE FRONT.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
TEMPERATURE.........60 AT IGNITION...MAX 70.
RH..................84 PERCENT AT IGNITION...MIN 44 PERCENT.
WIND (20 FT)........WINDS WEST AT 6 MPH AT IGNITION...OTHERWISE
WEST WINDS 6 TO 12 MPH. GUSTS UP TO 24 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......1100 FT AGL AT IGNITION...OTHERWISE 4600 FT
AGL.
MIXING WINDS........NORTHWEST 8 TO 17 MPH SHIFTING TO THE WEST
AROUND 20 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....90 /POOR/ AT IGNITION. MAX...900 /EXCELLENT/.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........21 19 17 15 13 10 7 5 4 4 6 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............60 64 67 69 69 69 69 68 67 64 59 58
RH..............84 75 65 57 51 47 44 44 45 54 67 72
20 FT WIND DIR..W NW W W W W W W W W W W
20 FT WIND SPD..6 6 7 9 10 12 12 10 9 7 6 6
20 FT WIND GUST.13 13 15 18 21 23 24 24 22 18 16 17
MIX HGT (KFT)...1.1 1.5 2.4 3.4 4.3 4.6 4.4 3.9 2.6 0.8 0.6 0.4
MIXING WIND DIR.NW NW W W W W W W W W W W
MIXING WIND SPD.8 9 10 14 17 20 20 20 16 12 12 13
SMOKE DISPRSL...90 140 240 460 740 900 850 770 410 90 60 50
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
TEMPERATURE.........MIN 48.
RH..................MAX 89 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND 22
MPH IN THE EVENING AND OVERNIGHT BECOMING
LIGHT, THEN BECOMING NORTHWEST AROUND 5 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........WEST 9 TO 16 MPH.
SMOKE DISPERSAL.....410 (GOOD) EARLY IN THE EVENING DECREASING TO
40 (POOR) LATE IN THE NIGHT.
THURSDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
TEMPERATURE.........MAX 63.
RH..................MIN 54 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 12 MPH. GUSTS UP TO 25 MPH
LATE IN THE MORNING.
MIXING HEIGHT.......5600 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 18 MPH.
SMOKE DISPERSAL.....40 (POOR) EARLY IN THE MORNING INCREASING TO
1040 (EXCELLENT) IN THE AFTERNOON.
FORECASTER...HANSEN
REQUESTED BY...BRANDON KELLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2623248.0/GRR
.DELDT 10/07/26
.FORMATTERVERSION 2.0.0
.EMAIL KORY.BORGMAN@USDA.GOV,BRIAN.STEARNS@USDA.GOV,BRANDON.KELLEY@USDA.GOV
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