Metro Detroit weather: Flood watch Tuesday night to Thursday morning

At least, 2 to 4 inches of rain

The Local 4Casters track the latest weather alerts in Metro Detroit and Southeast Michigan. Get the most updated information here: https://www.clickondetroit.com/weather/
The Local 4Casters track the latest weather alerts in Metro Detroit and Southeast Michigan. Get the most updated information here: https://www.clickondetroit.com/weather/

DETROIT – Welcome to Tuesday night, Motown.

Scattered showers and storms are turning into widespread rain that will be heavy at times Tuesday night. As the cold front, which is the catalyst for this first round of rain, inches along, we go from warm to cool overnight.

More moisture quickly flows in from the south. In no time, we go from scattered showers to widespread rain closer to sunset and afterward. Light to moderate rain will be prevalent with pockets of heavier rain before midnight. After midnight, moderate to heavy rain will be the norm much of the time.

As a cold front moves through the dark, it cools off quickly. Temperatures fall from the 60s to the low and middle 50s by dawn.

By lunchtime Wednesday, many neighborhoods will easily pick up 1 to 2 inches of rain. And this is just the first wave of pounding, wet weather.

Wednesday afternoon will have steady light to moderate rain and it will be cool. Astronomical fall begins with the autumnal equinox at 3:20 p.m. Wednesday, Temperatures will be in the cool 50s to near 60 degrees.

The second wave of torrential downpours arrives Wednesday evening through early Thursday morning. Another 1 to 2 inches are possible.

Grand totals of this two and a half and three-day weather event will be 2 to 4 inches.

Please do what you can now to prepare for any potential flooding.

  • Clean and clear all gutters
  • Point and extend downspouts as far away from your home as possible
  • Move valuables and appliances from the basement to higher floors (or, at least, higher shelves)
  • Clear street drains and gutters
  • Check on neighbors

Thursday afternoon temps will be in the middle and upper 50s.

Friday will be brighter and milder with highs near 70 degrees.

Saturday will have a quick shot of rain from a separate front. Highs in the middle and upper 60s.

Sunday will be sunnier and milder, again, with daytime temps near 70 degrees.

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About the Author:

Andrew Humphrey is an Emmy Award winning meteorologist, and also an AMS Certified Broadcast Meteorologist (CBM). He has a BSE in Meteorology from the University of Michigan and an MS in Meteorology from the Massachusetts Institute of Technology, where he wrote his thesis on "The Behavior of the Total Mass of the Atmosphere."