837 FXUS63 KGRR 010747 AFDGRR Area Forecast Discussion National Weather Service Grand Rapids MI 247 AM EST Thu Jan 1 2026 .KEY MESSAGES... - Couple chances for Light Snow into Early Next Week && .DISCUSSION... Issued at 247 AM EST Thu Jan 1 2026 - Couple chances for Light Snow into Early Next Week We will see flurries near Lake Michigan this morning and then some light snow this afternoon and evening as a weak shortwave trough moves through, but accumulations should be less than an inch as subsidence and drying quickly follows overnight. Another shortwave trough and clipper low moves through Sunday night into Monday morning and could bring an inch or two of snow with the higher amounts across the northern zones as the low center tracks north of the forecast area. Although amounts should be light, some untreated roads could be slippery for the Monday morning commute. && .AVIATION /06Z TAFS THROUGH 06Z FRIDAY/... Issued at 1145 PM EST Wed Dec 31 2025 Key changes: - None before 12Z - Added PROB30 for MVFR restrictions in snow Thursday afternoon VFR conditions should prevail at all terminals overnight with the possible exception of MKG, which could see intermittent MVFR ceiling restrictions with lake effect snow (LES). Visibility restrictions with LES should be limited given its weakening and disorganized nature. Only other change was to mention PROB30 at all terminals due to an expected uptick in lake enhanced snow Thursday afternoon. GRR Airport DSS Update No changes to the airport briefing information provided from the day shift. && .GRR WATCHES/WARNINGS/ADVISORIES... MI...None. MARINE...Small Craft Advisory until 7 PM EST this evening for LMZ844>849. && $$ DISCUSSION...Ostuno AVIATION...TJT

NWS GRR Office Area Forecast Discussion