Metro Detroit weather forecast: Spotty rain chances

We need a good soaker – none in the forecast

I keep saying it, and you keep telling me: we really need some rain. 

Yes, we’ve had spotty thunderstorms here and there, but understand that a brief thunderstorm just doesn’t cut it:  when you get a heavy downpour on dry, hard ground, there’s a bunch of initial runoff toward low spots, so the higher spots don’t get nearly as much rain. 

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What we need is what many of you would call a really crummy summer day.  We need an all-day soaker that gives us an inch or more of rain over a good twelve hour period.  That allows the ground to soften up and take in most of that rain, and allows that moisture to penetrate deeper into the soil.  Since May 1, we’ve only received around half of our average rainfall, which isn’t good when you consider the evaporation that takes place in our typical hot summer temperatures.  So we really need that all-day soaker.  Take a look at the rain deficit stats…these are eye-openers. 

Unfortunately, not only do we not have any of those soakers in the forecast, but our overall rain chances are pretty spotty the next couple of days – and then we have another warm, dry spell on the way.

The best chance for any thunderstorms this evening is near and north of the I-69 corridor.  South of there, chances are much more slim (but not zero).  It’s going to be a warmer night, with lows in the upper 60s to near 70° (that’s 20-21° Celsius for our ultra-cool Canadian friends using the metric system).  Wind will be very light.

We should start our Thursday with partly cloudy skies.  Scattered thunderstorms are possible during the afternoon and evening, but not everybody will get one.  Highs in the mid 80s (29° Celsius), although a developing light northeast wind will keep you folks closer to Lake Huron cooler.  Thursday’s sunrise is at 6:23 AM, and Thursday’s sunset is at 8:56 PM.

We still have the chance for scattered showers and thunderstorms Thursday night but, again, not everybody gets one.  Lows in the mid 60s (19° Celsius).

Friday is a close call as to if we’ll have any rain chances.  IF there are any scattered showers or thunderstorms around, the best chance is well south of 8 Mile.  North of there, we’ll probably remain dry.  Highs in the mid 80s (29° Celsius).

Partly cloudy Friday night, with a shower possible near the state line.  Lows in the mid 60s (18° Celsius).

Most of us should have a dry Saturday.  IF we start the day with any lingering rain chances from Friday night, it will still be well south of 8 Mile.  Highs in the low 80s (28° Celsius).

Partly cloudy Saturday night, with lows in the mid 60s (18° Celsius).

Partly cloudy on Sunday, with highs in the mid 80s (29° Celsius).

Mostly clear Sunday night, with lows in the mid 60s (19° Celsius).

Then the next warming trend really kicks in, with mostly sunny skies Monday, Tuesday and Wednesday, and highs in the mid to upper 80s (30-32° Celsius) Monday and Tuesday, and back into the low 90s (33° Celsius) on Wednesday.  Overnight lows will rise, too, and be at or above 70° (21° Celsius) by Wednesday and Thursday mornings.

Our next chance of thunderstorms is on Thursday.  Let’s hope we get them.
 


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