West Michigan/ Weather & Environment

Fog, Then a 70-Degree Tease: Grand Rapids Snags One Last Shot of Fall Warmth

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Published on October 25, 2026
Fog, Then a 70-Degree Tease: Grand Rapids Snags One Last Shot of Fall WarmthSource: Google Street View

Grand Rapids is starting Sunday in the mid-40s with fog in parts of the area, but the gray opening should give way to a mild, partly sunny afternoon. Temperatures are expected to reach near 70 degrees, with only a 5% chance of rain and light south-southwest winds.

Fog First, Then A Mild Afternoon

Fog is expected to be most noticeable east of U.S. 127, while patchy or shallow fog may develop farther west. A Dense Fog Advisory remains in effect through 9 a.m. for parts of the region, according to the National Weather Service Grand Rapids. Drivers should allow extra time, use headlights and leave additional space where visibility is reduced.

Once the fog lifts, temperatures should climb from the upper 40s through the 50s and 60s, peaking near 70 degrees during the afternoon. Winds will stay light at roughly 2 to 6 mph. Sunday night will be partly cloudy, with a low around 48 and temperatures edging back toward 50 overnight.

Cooler Monday And Tuesday, Warmth Returns

Monday brings a noticeable cooldown, with partly sunny skies and a high near 64 degrees as a front moves through. Tuesday will be mostly cloudy and slightly cooler, topping out near 63. The shift follows Hoodline's Saturday fog update, with the latest forecast extending the warm spell into Sunday before the cooler air arrives.

Late-Week Showers Stay Possible

Wednesday looks like the warmest day of the extended forecast, with mostly sunny skies and a high near 72 degrees. Shower chances return late Wednesday night and continue into Thursday, when the high should reach about 68, while slight rain chances linger Friday and Saturday. Wednesday offers the clearest window for outdoor plans before the forecast turns more changeable.