386
FNUS73 KGRR 040944
FWSGRR
SPOT FORECAST FOR WOLF/RYBICKI...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
544 AM EDT MON MAY 4 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MAY 04.
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 WIND PICK UP THIS MORNING WITH GUSTS TO 25 MPH
INCREASING TO AROUND 35 MPH THIS AFTERNOON. RELATIVE HUMIDITY
VALUES WILL BE DROPPING INTO THE AFTERNOON INTO THE LOW 30S.
THERE IS A 20 PERCENT CHANCE THAT VALUES COULD DROP BELOW 30 THIS
AFTERNOON. RAIN AND THUNDERSTORMS ARE EXPECTED TO HOLD OFF UNTIL 5
TO 7PM. THUNDERSTORMS MAY CONTAIN STRONGER WINDS GUSTS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON.
TEMPERATURE.........59 AT IGNITION...MAX 73.
RH..................51 PERCENT AT IGNITION...MIN 33 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 12 MPH AT IGNITION...OTHERWISE
SOUTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 32
MPH INCREASING TO 35 MPH IN THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL AT IGNITION...OTHERWISE 3400 FT
AGL.
MIXING WINDS........SOUTHWEST 20 TO 29 MPH INCREASING TO 28 TO 33
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....200 /FAIR/ AT IGNITION. MAX...1130 /EXCELLENT/.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........13 18 19 16 31 47 61 76 81 90 82 72
WEATHER COV..... CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH
TEMP............59 65 67 69 69 69 70 70 68 65 62 58
RH..............51 41 37 33 33 35 36 39 44 52 58 64
20 FT WIND DIR..S SW SW SW SW SW SW SW SW SW SW W
20 FT WIND SPD..12 14 16 17 17 17 17 16 14 12 9 7
20 FT WIND GUST.24 30 32 35 35 35 35 33 30 28 22 17
MIX HGT (KFT)...1.0 1.6 1.9 2.2 2.8 3.4 2.5 2.0 1.5 0.8 0.6 0.5
MIXING WIND DIR.SW SW SW SW SW SW SW SW SW SW SW W
MIXING WIND SPD.20 23 28 29 32 33 32 28 24 21 16 14
SMOKE DISPRSL...200 360 540 630 910 1130790 550 360 160 100 60
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE EVENING.
TEMPERATURE.........MIN 41.
RH..................MAX 79 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 9 TO 14 MPH WITH GUSTS TO
AROUND 30 MPH SHIFTING TO THE NORTHWEST 5 TO 6
MPH OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHWEST 16 TO 24 MPH SHIFTING TO THE WEST 10
TO 14 MPH LATE IN THE EVENING, THEN SHIFTING TO
THE NORTHWEST 13 TO 14 MPH LATE IN THE EVENING
SHIFTING TO THE NORTH 6 TO 14 MPH OVERNIGHT.
SMOKE DISPERSAL.....360 (GOOD) EARLY IN THE EVENING DECREASING TO
30 (POOR) LATE IN THE NIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
TEMPERATURE.........MAX 54.
RH..................MIN 39 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......5400 FT AGL.
MIXING WINDS........NORTHWEST 6 TO 15 MPH SHIFTING TO THE WEST 16
TO 20 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....30 (POOR) EARLY IN THE MORNING INCREASING TO
1070 (EXCELLENT) IN THE AFTERNOON.
FORECASTER...HANSEN
REQUESTED BY...BRANDON KELLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2612570.0/GRR
.DELDT 05/04/26
.FORMATTERVERSION 2.0.0
.EMAIL BRANDON.KELLEY@USDA.GOV
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