Weather & Environment

Freeze Warning and Flood Alert Impact Different Areas of Michigan

Sub-freezing temperatures threaten vegetation in southeast Michigan while spring flooding affects the Upper Peninsula.

James Whitfield
James WhitfieldStaff Reporter
Published April 20, 2026, 10:24 AM GMT+2
Freeze Warning and Flood Alert Impact Different Areas of Michigan
Freeze Warning and Flood Alert Impact Different Areas of Michigan

DETROIT, MICHIGAN β€” A freeze warning remained in effect for southeastern Michigan until 11 a.m. Sunday as temperatures dropped as low as 19 degrees, while flooding continued along the East Branch Escanaba River in the Upper Peninsula.

The National Weather Service Detroit/Pontiac office issued the freeze warning at 2:29 a.m., cautioning that frost and freeze conditions could harm sensitive outdoor vegetation across the region. Sub-freezing temperatures threatened plants and crops that may have begun emerging with recent warmer weather.

Upper Peninsula Flooding Continues

Minor flooding persisted along the East Branch Escanaba River at Gwinn in Marquette County, where the river reached 8.7 feet at 11 p.m. Saturday night. The flood warning, issued by the National Weather Service Marquette office at 1:25 a.m., extends until 4 p.m. Monday.

Snowmelt combined with recent rainfall pushed the river above its 6.0-foot bankfull stage and past the 7.0-foot flood stage. The river crested at 9.1 feet within the 24-hour period ending Saturday night, affecting Peter Nordeen park on the right bank when water levels reach 9.0 feet.

River Levels Expected to Recede

Forecasters predicted the East Branch Escanaba River would fall below flood stage by late Sunday evening and continue dropping to 4.7 feet by the following Sunday evening. The current flood level compares to a previous crest of 8.5 feet recorded on June 1, 1970.

The contrasting weather conditions across Michigan highlight the state’s diverse climate patterns, with freezing temperatures in the south while spring snowmelt creates flooding concerns in northern counties. Residents in affected areas should monitor local conditions and take appropriate precautions for both the cold snap and flood risks.

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