926
FNUS73 KGRR 261028
FWSGRR
SPOT FORECAST FOR TYNDALL RX...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
628 AM EDT SUN APR 26 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 26.
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
THE DAY WILL START WITH MOSTLY CLOUDY SKIES, BUT THROUGH THE
COURSE OF THE MORNING, WE ARE EXPECTED TO BE PARTLY TO MOSTLY
SUNNY. MAINLY SUNNY SKIES ARE EXPECTED THROUGH THE AFTERNOON
HOURS. A SOUTHEAST WIND IS FORECAST ALL DAY AT 5 TO 15 KNOTS.
RAIN DOES NOT RETURN TO THE FORECAST UNTIL MONDAY AFTERNOON AND
MORE LIKELY MONDAY NIGHT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
TEMPERATURE.........46 AT IGNITION...MAX 69.
RH..................76 PERCENT AT IGNITION...MIN 37 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 6 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 7
MPH.
MIXING HEIGHT.......1500 FT AGL AT IGNITION...OTHERWISE 3800 FT
AGL.
MIXING WINDS........SOUTHEAST 8 TO 12 MPH.
SMOKE DISPERSAL.....140 /FAIR/ AT IGNITION. MAX...440 /GOOD/.
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM
SKY (%).........51 51 45 33 44 33
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............46 55 62 66 68 66
RH..............76 59 44 40 37 42
20 FT WIND......SE 6 SE 6 SE 6 SE 6 SE 7 SE 7
20 FT WIND GUST.10 9 10 10 10 13
MIX HGT (FT)....1500 1900 2800 3600 3800 3000
MIXING WIND.....E 9 SE 9 SE 9 SE 10 SE 10 SE 14
SMOKE DISPRSL...140 180 260 370 400 420
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
TEMPERATURE.........MIN 46.
RH..................MAX 77 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH. GUSTS UP TO 21 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTHEAST 10 TO 17 MPH.
SMOKE DISPERSAL.....460 (GOOD) EARLY IN THE EVENING DECREASING TO
60 (POOR) LATE IN THE NIGHT.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS LATE IN THE AFTERNOON.
TEMPERATURE.........MAX 73.
RH..................MIN 42 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 17 MPH. GUSTS UP TO 31
MPH INCREASING TO 33 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......3400 FT AGL.
MIXING WINDS........SOUTHEAST 16 TO 24 MPH INCREASING TO SOUTH 37
TO 39 MPH.
SMOKE DISPERSAL.....100 (POOR) EARLY IN THE MORNING INCREASING TO
1060 (EXCELLENT) IN THE AFTERNOON INCREASING TO
1260 (EXCELLENT) LATE IN THE AFTERNOON.
FORECASTER...DUKE
REQUESTED BY...RICHAR DAVIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2611730.0/GRR
.DELDT 04/26/26
.FORMATTERVERSION 2.0.0
.EMAIL RICHARD.W.DAVIS@USDA.GOV
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