textproduct: Grand Rapids
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Below Normal Temperatures with Occasional Chances for Rain
DISCUSSION
Issued at 208 AM EDT Tue May 5 2026
- Below Normal Temperatures with Occasional Chances for Rain
Showers will be possible along the 850mb front into tonight for southeast portions of the forecast area. Behind the front dry conditions are expected with northwest winds gusting toward 20 mph. Highs today will be about 20 degrees cooler than yesterday with lows Wednesday morning in the 30s to around 40. A Frost Advisory will likely be needed for areas along and north of M-20, but could extend as far south as I-96. It will depend on cloud cover and if we can clear out fast enough.
We'll remain in southwest flow aloft until Thursday, however the better moisture and lift will be east of the area with dry conditions persisting. Highs continue to be in the 50s with lows in the 30s to low 40s. The best chance for widespread frost will be Wednesday night as skies are expected to clear with most of the area seeing lows in the low to mid 30s.
As the trough axis moves through Thursday, mid to upper level flow becomes northwesterly. A few shortwave troughs move through Friday into the next week. Each shortwave trough will bring a chance for rain. Currently the best chances (30 to 50 percent) are Friday afternoon into Friday night and Sunday.
AVIATION /12Z TAFS THROUGH 12Z WEDNESDAY/
Issued at 631 AM EDT Tue May 5 2026
VFR conditions are expected with showers possible along and south of a AZO to LAN line. Ceilings with rainfall are expected to be around 6000 feet with little to no visibility restrictions. Northwest winds with gusts to 20 knots are possible this morning and afternoon before becoming light and variable this evening.
MARINE
Issued at 208 AM EDT Tue May 5 2026
Northwest winds of 10 to 15 knots are expected today with waves of 1 to 3 feet this morning dropping below 2 feet this afternoon. Northerly winds continue through Wednesday and then shift to the west for Thursday. Winds will then shift to the southwest for Friday into the weekend. Winds and waves are expected to remain below Small Craft Advisory conditions.
GRR WATCHES/WARNINGS/ADVISORIES
MI...None. MARINE...None.
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