720
FNUS73 KGRR 241426
FWSGRR
SPOT FORECAST FOR TA4 BURN...MDMVA
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
ISSUED BY NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1026 AM EDT MON AUG 24 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON AUGUST 24.
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
ONE MORE DAY OF NW BREEZES BEFORE WINDS FINALLY
SUBSIDE TONIGHT. DRY CONDITIONS ARE FORECAST TODAY AS AN AREA
OF HIGH PRESSURE ADVANCES TOWARD OUR REGION BY TONIGHT INTO
TUESDAY. SOME PATCHY FOG MAY DEVELOP EARLY TUESDAY MORNING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
TEMPERATURE.........68 AT IGNITION...MAX 75.
RH..................63 PERCENT AT IGNITION...MIN 51 PERCENT.
WIND (20 FT)........WINDS WEST AT 9 MPH AT IGNITION...OTHERWISE
NORTHWEST WINDS 9 TO 12 MPH.
MIXING HEIGHT.......3500 FT AGL AT IGNITION...OTHERWISE 4800 FT
AGL.
MIXING WINDS........NORTHWEST 14 TO 17 MPH.
SMOKE DISPERSAL.....480 /GOOD/ AT IGNITION. MAX...830 /EXCELLENT/.
TIME (EDT) 11 AM 1 PM 3 PM 5 PM 7 PM 9 PM
SKY (%).........8 16 19 16 20 16
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............68 72 73 74 71 64
RH..............63 57 55 51 55 70
20 FT WIND......W 9 NW 10 NW 12 NW 10 NW 8 W 5
20 FT WIND GUST.20 21 22 21 18 10
MIX HGT (FT)....3500 4500 4600 4100 2800 400
MIXING WIND.....W 14 NW 16 NW 16 NW 16 NW 14 W 9
SMOKE DISPRSL...480 720 740 670 390 40
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). PATCHY FOG
OVERNIGHT. AREAS OF FOG AFTER 3 AM.
TEMPERATURE.........MIN 51.
RH..................MAX 100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND
20 MPH EARLY IN THE EVENING BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 14 MPH.
SMOKE DISPERSAL.....510 (GOOD) EARLY IN THE EVENING DECREASING TO
20 (POOR) LATE IN THE NIGHT.
TUESDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (50-60 PERCENT). AREAS OF FOG EARLY IN
THE MORNING.
TEMPERATURE.........MAX 80.
RH..................MIN 48 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......5800 FT AGL.
MIXING WINDS........NORTHWEST 3 TO 7 MPH SHIFTING TO THE WEST
AROUND 6 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....10 (POOR) EARLY IN THE MORNING INCREASING TO
400 (GOOD) IN THE AFTERNOON.
FORECASTER...MANN
REQUESTED BY...MICHELE RICHARDS
TYPE OF REQUEST...PRESCRIBED
.TAG 2620375.0/GRR
.DELDT 08/24/26
.FORMATTERVERSION 2.0.0
.EMAIL RICHARDSM2@MICHIGAN.GOV
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