textproduct: Grand Rapids

KEY MESSAGES

- Rain through Thursday night

- Cooler weekend, frost/freeze potential

KEY MESSAGES

Highs will be in the mid to upper 60s today through Friday.

- Cooler weekend, frost/freeze potential

H8 temperatures fall from 16c to 6c between Thursday afternoon and Friday afternoon. If skies clear Friday, we could see subfreezing temperatures along US-10 Friday night and mid 30s south to M-46.

Another cold front moves through Sunday night and sends sends h8 temperatures down to -2c by Monday morning. Lows Monday morning will be in the lower 30s across the northern cwa, but it's Tuesday morning that will be the coldest of the season...so far...with temperatures in the mid to upper 20s over the northern cwa and lower to mid 30s elsewhere; frost/freeze headlines will most likely be needed Monday night. Highs Tuesday will be around 60...almost 10 degrees below normal.

AVIATION /12Z TAFS THROUGH 12Z THURSDAY/

Issued at 618 AM EDT Wed Sep 30 2026

Radar shows a large area of light rain slowly moving across the region and currently falling at MKG. GRR will see light rain begin within the next hour.

A cold front will slowly move south across the Lower Peninsula and stall over southern Lower later this afternoon before lifting north tonight as low pressure approaches from the southwest. IFR cigs will be noted north of the boundary. Once the front lifts north, the southern terminals will likely lift back up to VFR after midnight.

MARINE

Issued at 238 AM EDT Wed Sep 30 2026

Based on latest wave height guidance, we've extended the headlines south to Holland. No change to the duration. Waves will increase to 3 to 7 feet today north of Holland and then diminish later tonight.

GRR WATCHES/WARNINGS/ADVISORIES

MI...Beach Hazards Statement through Thursday morning for MIZ037-043- 050-056. MARINE...Small Craft Advisory until 8 AM EDT Thursday for LMZ846>849.