882 FXUS63 KGRR 090605 AFDGRR Area Forecast Discussion National Weather Service Grand Rapids MI 105 AM EST Mon Nov 9 2026 .KEY MESSAGES... - Progressive Pattern Becomes More Amplified Late Week && .DISCUSSION... Issued at 105 AM EST Mon Nov 9 2026 - Progressive Pattern Becomes More Amplified Late Week No impact weather expected this week as a fast, quasi-zonal flow regime holds sway through mid week. Then a clipper associated with a digging northern stream shortwave trough will bring some rain and snow showers Thursday as it merges with an upper low over eastern Canada. This will lead to a more highly amplified pattern across the CONUS by next weekend, with strong northerly flow bringing lake effect rain and snow showers and cool temperatures for Friday and Saturday. && .AVIATION /06Z TAFS THROUGH 06Z TUESDAY/... Issued at 105 AM EST Mon Nov 9 2026 Stratus deck with bases about 3000 feet AGL will be moving down from the north overnight with areas of MVFR conditions before breaking up this morning. VFR expected most of today into tonight. West winds blo 10 knots today. && .GRR WATCHES/WARNINGS/ADVISORIES... MI...None. MARINE...Small Craft Advisory until 5 AM EST early this morning for LMZ844>849. && $$ DISCUSSION...Ostuno AVIATION...Ostuno

NWS GRR Office Area Forecast Discussion