070
FXUS63 KGRR 051735
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
135 PM EDT SAT SEP 5 2026
KEY MESSAGES
- A FEW SHOWERS ARE POSSIBLE TODAY
- HIGH CONFIDENCE IN DRY WEATHER TONIGHT THROUGH TUESDAY
- TEMPERATURES TO BE FAIRLY CLOSE TO NORMALS THROUGH THE PERIOD
DISCUSSION
ISSUED AT 407 AM EDT SAT SEP 5 2026
- A FEW SHOWERS ARE POSSIBLE TODAY
FEEL MOST AREAS WILL REMAIN DRY TODAY, BUT IT IS NOT OUT OF THE
REALM OF POSSIBILITIES TO SEE A FEW LIGHT SHOWERS TODAY. CURRENT
REGIONAL RADAR LOOPS CONFIRM A SHOWERS CONTINUE ACROSS THE AREA
DESPITE THE DEEPER CONVECTION PUSHING SOUTH AN HOUR OR TWO AGO.
THE SHOWERS WILL BE ASSOCIATED WITH WEAK SHORTWAVE DROPPING SOUTH
THROUGH THE NORTHERN FLOW ALOFT. RESIDUAL MOISTURE HANGS ON INTO
AT LEAST THE MIDDAY HOURS BEFORE DRIER AIR SWEEPS IN THIS
AFTERNOON AND EVENING. ONLY HAVE 20-30 PCT CHANCES FOR A SHOWER
MAINLY THIS MORNING.
- HIGH CONFIDENCE IN DRY WEATHER THIS AFTERNOON THROUGH TUESDAY
BUFKIT OVERVIEWS AND ENSEMBLE MEMBERS OF THE GFS AND ECMWF CONFIRM
THAT THERE IS VERY LITTLE CHANCE FOR PRECIPITATION IN OUR AREA
FROM THIS EVENING THROUGH TUESDAY. FOR THOSE THAT HAVE RECEIVED
HEAVY RAIN IN THE LAST 3-5 DAYS IT WILL GIVE THOSE AREAS A CHANCE
TO DRY OUT.
- TEMPERATURES TO BE FAIRLY CLOSE TO NORMALS THROUGH THE PERIOD
TEMPERATURES WILL BE CLOSE TO NORMAL FOR THIS TIME OF YEAR THROUGH
THE 7 DAY FORECAST PERIOD (NORMALS FOR TODAY: HIGHS IN THE UPPER
70S / LOWS IN THE UPPER 50S). WE WILL SEE HIGHS PUSH INTO THE 80S
ONCE AGAIN EARLY NEXT WEEK IN THE SOUTHERLY FLOW AHEAD OF A MID
WEEK COLD FRONT.
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/
ISSUED AT 135 PM EDT SAT SEP 5 2026
RAIN SHOWERS WITH LOCAL/TEMPORARY IFR STRETCH FROM MKG TO SOUTH OF
GRR AND ARE SLOWLY MOVING SOUTH. THESE SHOWERS SHOULD GRADUALLY
DIMINISH WITH TIME. MVFR CEILINGS ALONG AND SOUTHWEST OF MKG-GRR-
LAN SHOULD GRADUALLY IMPROVE TO ABOVE 3,000 FEET AND/OR SCATTER
OUT THIS AFTERNOON, THOUGH THERE MAY BE PATCHY MVFR CEILINGS
HANGING ON THROUGH 00 Z. WILL ALSO HAVE TO EVALUATE PATCHY FOG
POTENTIAL ON SUNDAY 09 TO 13 Z.
MARINE
ISSUED AT 407 AM EDT SAT SEP 5 2026
CONDITIONS ARE EXPECTED TO REMAIN BELOW ADVISORY LEVELS ON LAKE
MICHIGAN AS HIGH PRESSURE WILL DOMINATE GREAT LAKES WEATHER
THROUGH MONDAY. WINDS WILL EITHER BE LIGHT OR OFF SHORE WHICH WILL
KEEP WAVES AT OR BELOW 2 FEET.
GRR WATCHES/WARNINGS/ADVISORIES
MI...NONE.
MARINE...NONE.
DISCUSSION...DUKE
AVIATION...CAS
MARINE...DUKE
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