Local 4Casters: Scattered showers Tuesday, clearing skies ahead

DETROIT – Scattered showers will end early Tuesday evening, followed by gradually clearing skies overnight. Lows will be in the upper 50s to near 60 degrees (15 degrees Celsius for you Canadians). A refreshing northwest wind at 10 to 15 mph will help usher out the humidity, so open the windows tonight!

It will be mostly sunny and spectacular on Wednesday with highs in the mid 70s (25 degrees Celsius), but perhaps only in the 60s along the immediate Michigan shoreline area of Lake Huron with north to north-northeast winds at 8 to 13 mph.

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Important reminder:  Many people forget about sunscreen on cooler summer days, but you need to remember that the sun's rays are especially intense right now, no matter what the temperature is.

Wednesday's sunrise is at 6:10 a.m. and sunset is at 9:08 p.m.

Skies will be mostly clear Wednesday night with lows in the mid 50s (upper 40s for those of you along and north of I-69).

It'll be mostly sunny on Thursday, another gorgeous day with highs in the upper 70s.

Increasing clouds with a chance of rain later Thursday night (the evening should be dry and comfortable for outdoor activities). Lows will be in the low 60s.

Showers and thunderstorms are likely for a part of the day on Friday, but I don't expect it to rain all day. Highs will be in the low 80s.

Skies will be partly cloudy, warmer and more humid Friday night with lows in the upper 60s. This will be the first of three consecutive muggy, uncomfortable sleeping nights.

Partly cloudy, hot and humid forecast on Saturday with highs in the mid 80s. There's a slight thunderstorm chance, but I think most of us will remain dry.

It will be partly cloudy, warm and muggy Saturday night with lows in the low 70s.

Once again, partly cloudy, hot and humid on Sunday, with highs in the upper 80s. There's a slight thunderstorm chance, but I think most of us will remain dry.

Partly cloudy, warm and muggy on Sunday night with some showers or thunderstorms possible, particularly later at night. Lows will be in the low 70s.

Showers and thunderstorms are more likely on Monday, with highs in the low 80s. Showers and storms end Monday night, with lows in the mid 60s.

Partly cloudy, cooler and less humid on Tuesday, with highs in the mid to upper 70s.

A special note for those of you who live close to western Lake Erie:

NOAA has released its forecast for this summer's western Lake Erie algae bloom, and the news isn't good:  they predict that this summer's algal bloom season will be among the most severe in recent years and could become the second most severe behind the record-setting 2011 bloom.

The effects of the cyanobacterial blooms include a higher cost for cities and local governments to treat their drinking water, as well as risk to swimmers in high concentration areas, and a nuisance to boaters when blooms form. These effects will vary in locations and severity based upon wind speed and direction, and will peak in September.

Why is the bloom expected to be so severe?

After a relatively dry April, May's and June's heavy rains produced record discharge from the Maumee River, which flows from northeastern Indiana through Toledo into Lake Erie.  Nutrients from fertilizers ran off into the river, and those nutrients, which are so good for your lawn, are also food for algae.


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