337
FNUS73 KGRR 080951
FWSGRR
SPOT FORECAST FOR GOURDNECK SNAKE ISLAND...MI DNR
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
551 AM EDT WED APR 8 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 08.
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
A WEAK BAND OF SPRINKLES OR LIGHT SHOWERS WILL MOVE THROUGH THIS
MORNING. THIS COULD BRING A COUPLE HUNDREDTHS OF AN INCH OR RAIN
THROUGH THE PLANNED IGNITION TIME. CONDITIONS WILL DRY OUT THIS
AFTERNOON WITH MORE SUNSHINE BREAKING OUT. WINDS WILL BECOME GUSTY
FROM THE SOUTH AROUND THE IGNITION TIME, AND INCREASE A BIT THROUGH
THE AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
RAIN LATE IN THE MORNING.
TEMPERATURE.........41 AT IGNITION...MAX 60.
RH..................48 PERCENT AT IGNITION...MIN 34 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 12 MPH AT IGNITION...OTHERWISE
SOUTH WINDS 13 TO 18 MPH WITH GUSTS 25 TO 30 MPH.
MIXING HEIGHT.......2500 FT AGL AT IGNITION...OTHERWISE 3500 FT
AGL.
MIXING WINDS........SOUTH 25 TO 30 MPH.
SMOKE DISPERSAL.....500 /GOOD/ AT IGNITION. MAX...650 /EXCELLENT/.
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
SKY (%).........80 67 63 45 44 35 29 29 32 24 21 37
WEATHER COV.....SCH
WEATHER TYPE....RN
TSTM COV........
TEMP............41 44 48 51 54 58 58 60 58 57 54 53
RH..............48 46 44 44 41 34 34 34 45 49 52 57
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..12 13 14 14 15 15 15 15 14 14 14 14
20 FT WIND GUST.25 25 26 26 28 29 29 29 29 28 29 30
MIX HGT (KFT)...2.5 2.5 2.5 2.5 2.7 3.0 3.5 3.5 0.9 0.9 0.8 0.8
MIXING WIND DIR.S S S S S S S S S S S S
MIXING WIND SPD.21 21 21 23 24 24 26 25 21 22 21 23
SMOKE DISPRSL...500 500 550 575 600 610 650 650 190 200 170 170
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS AFTER 3 AM. CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING.
TEMPERATURE.........MIN 51.
RH..................MAX 77 PERCENT.
WIND (20 FT)........SOUTH WINDS 14 TO 15 MPH WITH GUSTS TO AROUND
31 MPH.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTH 21 TO 25 MPH.
SMOKE DISPERSAL.....420 (GOOD) EARLY IN THE EVENING DECREASING TO
150 (FAIR) LATE IN THE NIGHT.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (35-45 PERCENT). CHANCE OF RAIN
SHOWERS IN THE MORNING AND EARLY AFTERNOON.
TEMPERATURE.........MAX 64.
RH..................MIN 46 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 14 MPH SHIFTING TO THE
WEST 10 TO 12 MPH LATE IN THE AFTERNOON. GUSTS
UP TO 28 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........WEST 25 TO 30 MPH.
SMOKE DISPERSAL.....230 (FAIR) EARLY IN THE MORNING INCREASING TO
950 (EXCELLENT) IN THE AFTERNOON.
FORECASTER...JERUZAL
REQUESTED BY...650
TYPE OF REQUEST...PRESCRIBED
.TAG 2609403.0/GRR
.DELDT 04/08/26
.FORMATTERVERSION 2.0.0
.EMAIL STEARNSN@MICHIGAN.GOV
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