A sweeping cold front is driving down temperatures across parts of the United States on Thursday, May 21, 2026, ahead of an expected rainy pattern for the upcoming Memorial Day weekend.
Weather reports from WHEC, FOX 2 Detroit, and FLX Weather indicate that chilly conditions will persist before a significant rain system moves in by Friday night.
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Temperature Drop in Rochester and Detroit
In the Rochester, New York area, temperatures will start off chilly and gray in the 40s before clearing up late in the afternoon.
Daytime highs are expected to reach only the upper 50s, with evening temperatures dropping into the upper 30s in parts of the Finger Lakes region.
FLX Weather notes that despite steady northerly winds and sunny skies on Thursday, maximum temperatures will remain capped in the mid 50s.
Clear conditions Thursday night will drop temperatures into the low 40s, though frost remains unlikely except in the coldest localized pockets.
A similar cool pattern is affecting Metro Detroit with highs struggling into the 60s. Forecasters anticipate a temporary warm-up and returning sunshine on Friday before wet weather arrives.
Rainy Memorial Weekend Forecast
The holiday weekend weather is projected to deteriorate significantly on Saturday due to a secondary incoming weather system.
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Widespread, heavy soaking rain is expected to cover the northeastern regions all day Saturday, accumulating between 1 and 2 inches of rainfall by Sunday morning.
While the heavy downpours will make for an unpleasant Saturday, the ground is currently dry enough to prevent flooding concerns, maintaining a green status on the Threat Tracker.
Temperatures during the rain are expected to remain cool, staying strictly within the 50s.
Conditions are forecast to improve slightly on Sunday and Memorial Day Monday.
The widespread Saturday washout will transition into scattered, lingering showers with dry breaks in between, allowing temperatures to rise back into the mid 60s and low 70s.
A significant warming trend is projected immediately following the holiday weekend.
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Extended forecasts for early June indicate consecutive days of sunshine with temperatures climbing into the mid 70s in New York and reaching the 80s in Detroit.
