010 

FXUS63 KGRR 301142

AFDGRR



Area Forecast Discussion

National Weather Service Grand Rapids MI

642 AM EST Tue Dec 30 2025



.KEY MESSAGES...



- Periods of Light Snow This Week



&&



.DISCUSSION...

Issued at 338 AM EST Tue Dec 30 2025



- Periods of Light Snow This Week



Typical winter weather into the weekend with no big storms but a 

few clippers in fast northwest flow that will bring light snow. 

THe first one comes in this afternoon with some lake enhancement 

to the light synoptic snows and a general 1 to 2 inches by the 

time the snow tapers off after midnight. 



Snow will flare up again as the next shortwave trough follows 

quickly for Wednesday. Expect another 1 to 2 inches by Thursday 

morning before the trough axis moves east and heights rise. Light 

lake effect snow showers are possible on Friday as weak shortwave 

troughing occurs, but additional accumulations are not expected.



&&



.AVIATION /12Z TAFS THROUGH 12Z WEDNESDAY/...

Issued at 641 AM EST Tue Dec 30 2025



MVFR conditions will prevail through 18Z then light snow will

arrive during the afternoon with IFR conditions expected by late

afternoon into tonight. Northwest winds will continue to gust over

20 knots at times this morning then go west this afternoon.



&&



.GRR WATCHES/WARNINGS/ADVISORIES...

MI...None.

MARINE...Small Craft Advisory until 7 PM EST Wednesday for LMZ844>849.



&&



$$



DISCUSSION...Ostuno

AVIATION...Ostuno