724
FNUS73 KGRR 261007
FWSGRR
SPOT FORECAST FOR CHASE 6 RX...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
607 AM EDT TUE MAY 26 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MAY 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
RELATIVE HUMIDITY WILL DROP TO ABOUT 35 PERCENT THIS AFTERNOON. NO
RAIN IS EXPECTED UNTIL WEDNESDAY AFTERNOON WHEN SCATTERED SHOWERS
AND THUNDERSTORMS MOVE THROUGH. SOUTHWEST WINDS COULD GUST OVER 20
MPH THIS AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
TEMPERATURE.........73 AT IGNITION...MAX 85.
RH..................51 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 7 MPH AT
IGNITION...OTHERWISE SOUTHWEST WINDS 7 TO 9
MPH. GUSTS UP TO 20 MPH LATE IN THE MORNING.
MIXING HEIGHT.......1400 FT AGL AT IGNITION...OTHERWISE 4200 FT
AGL.
MIXING WINDS........WEST 16 TO 18 MPH.
SMOKE DISPERSAL.....230 /FAIR/ AT IGNITION. MAX...720 /EXCELLENT/.
TIME (EDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM
SKY (%).........7 0 12 20 31 36
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............73 80 83 85 83 79
RH..............51 42 38 35 37 42
20 FT WIND......SW 7 SW 9 W 9 W 9 W 8 W 5
20 FT WIND GUST.18 20 20 20 17 13
MIX HGT (FT)....1400 3200 4200 4100 3200 700
MIXING WIND.....W 16 W 18 W 17 W 16 W 15 W 9
SMOKE DISPRSL...230 580 720 650 480 60
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT).
TEMPERATURE.........MIN 57.
RH..................MAX 75 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........WEST 8 TO 15 MPH SHIFTING TO THE SOUTH 8 TO 9
MPH OVERNIGHT, THEN SHIFTING TO THE EAST AROUND
9 MPH AFTER 3 AM.
SMOKE DISPERSAL.....480 (GOOD) EARLY IN THE EVENING DECREASING TO
30 (POOR) LATE IN THE NIGHT.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE AFTERNOON.
TEMPERATURE.........MAX 85.
RH..................MIN 32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 8 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......5200 FT AGL.
MIXING WINDS........EAST 7 TO 8 MPH SHIFTING TO THE NORTH 8 TO 13
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....30 (POOR) EARLY IN THE MORNING INCREASING TO
600 (EXCELLENT) IN THE AFTERNOON.
FORECASTER...OSTUNO
REQUESTED BY...JOE RASPOTNIK
TYPE OF REQUEST...PRESCRIBED
.TAG 2614426.0/GRR
.DELDT 05/26/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.RASPOTNIK@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page