827
FNUS73 KGRR 271008
FWSGRR
SPOT FORECAST FOR STEPHENS...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
608 AM EDT MON APR 27 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 27.
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
CONDITIONS ARE EXPECTED TO BE MOSTLY CLOUDY TODAY AS HIGH CLOUDS
STREAM IN FROM THE WEST AND SOUTHWEST FROM UPSTREAM SHOWERS AND
THUNDERSTORMS. A FAIRLY STRONG LOW PRESSURE SYSTEM WILL MOVE
THROUGH THE GREAT LAKES REGION TONIGHT MAKING SHOWERS AND STORMS
LIKELY. THIS AFTERNOON WE HAVE SMALL CHANCES FOR SHOWERS, BUT THE
HEAVIER ACTIVITY SHOULD HOLD OFF UNTIL TONIGHT OR AFTER 700PM.
WINDS TODAY WILL STEADILY INCREASE STARTING THE DAY AT 10 TO 15
MPH INCREASING BY NOON TO 15 TO 25 MPH WITH A FEW HIGHER GUSTS. BY
THIS EVENING WINDS WILL BE 15 TO 30 MPH WITH GUSTS TO POSSIBLY IN
EXCESS OF 40 MPH.
REST OF TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
TEMPERATURE.........53 AT IGNITION...MAX 72.
RH..................67 PERCENT AT IGNITION...MIN 45 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 13 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 13 TO 17
MPH WITH GUSTS TO AROUND 31 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE AFTERNOON.
MIXING HEIGHT.......600 FT AGL AT IGNITION...OTHERWISE 3100 FT AGL.
MIXING WINDS........SOUTHEAST 21 TO 30 MPH.
SMOKE DISPERSAL.....130 /FAIR/ AT IGNITION. MAX...930 /EXCELLENT/.
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM
SKY (%).........82 90 83 91 89 94
WEATHER COV..... CHANCE CHANCE LIKELY
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC
TEMP............53 61 67 70 70 68
RH..............67 54 46 43 49 56
20 FT WIND......SE 13 SE 13 SE 15 SE 16 SE 17 SE 17
20 FT WIND GUST.23 24 25 28 31 31
MIX HGT (FT)....600 1900 2800 3100 2000 1400
MIXING WIND.....SE 21 SE 25 SE 28 SE 30 SE 29 S 23
SMOKE DISPRSL...130 480 760 930 570 330
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS AND CHANCE
OF THUNDERSTORMS.
TEMPERATURE.........MIN 50.
RH..................MAX 100 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 17 MPH SHIFTING TO THE
SOUTHWEST AFTER 3 AM. GUSTS UP TO 31 MPH. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTH 23 TO 29 MPH SHIFTING TO THE SOUTHWEST 20
TO 21 MPH AFTER 3 AM.
SMOKE DISPERSAL.....570 (GOOD) EARLY IN THE EVENING DECREASING TO
100 (POOR) LATE IN THE NIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING, THEN CHANCE
OF RAIN SHOWERS EARLY IN THE MORNING.
TEMPERATURE.........MAX 58.
RH..................MIN 61 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 12 MPH WITH GUSTS TO
AROUND 26 MPH SHIFTING TO THE WEST 8 TO 10 MPH
WITH GUSTS TO AROUND 24 MPH LATE IN THE
MORNING.
MIXING HEIGHT.......3100 FT AGL.
MIXING WINDS........WEST 18 TO 24 MPH INCREASING TO 20 TO 28 MPH
LATE IN THE MORNING.
SMOKE DISPERSAL.....120 (POOR) EARLY IN THE MORNING INCREASING TO
640 (EXCELLENT) IN THE AFTERNOON.
FORECASTER...DUKE
REQUESTED BY...JOE RASPOTNIK
TYPE OF REQUEST...PRESCRIBED
.TAG 2611784.0/GRR
.DELDT 04/27/26
.FORMATTERVERSION 2.0.0
.EMAIL BRANDON.KELLEY@USDA.GOV,DEAN.CHAMBERS@USDA.GOV,JOSEPH.RASPOTNIK@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page