166 FXUS63 KGRR 030549 AFDGRR Area Forecast Discussion National Weather Service Grand Rapids MI 1249 AM EST Tue Nov 3 2026 .KEY MESSAGES... - Rain chances Wednesday then turning cooler && .DISCUSSION... Issued at 152 PM EST Mon Nov 2 2026 - Rain chances Wednesday then turning cooler Moisture increases in southerly flow through Wednesday with height falls as upper low approaches, but chances for rain remain low through Tuesday. The better chance for measurable rain is not until Wednesday and even then it looks like heavy rain is unlikely with convection remaining south of the forecast area and dry slotting occurring rather quickly. Wraparound, lake-enhanced showers, along with cooler temperatures can be expected through the end of the week as upper troughing remains and is eventually reloaded this weekend by a vigorous northern stream shortwave trough. Current slight chance POPs for the weekend may eventually trend higher given decent ensemble support got the timing and location of this trough. && .AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/... Issued at 1243 AM EST Tue Nov 3 2026 Low stratus continues to impact all local terminals at the start of the 06Z TAF period, ranging from MVFR to IFR. This will persist for several hours, but ceilings should progressively lift from south to north near or just prior to sunrise this morning. While some MVFR cloud cover (and other mid/high level clouds) may persist near the lakeshore for a few more hours, VFR ceilings are expected the remainder of the period. Meanwhile, some low level wind shear is also expected at the start of the period, but should diminish after sunrise as mixing occurs and surface winds increase. Gusty southerly winds will persist through the day, with slightly reduced gust speeds this evening and overnight. && .GRR WATCHES/WARNINGS/ADVISORIES... MI...None. MARINE...Small Craft Advisory until 7 PM EST this evening for LMZ844>849. && $$ DISCUSSION...Ostuno AVIATION...BRC

NWS GRR Office Area Forecast Discussion