Wednesday, April 18, 2012

Sunny Skies, Wet Weekend Shaping Up...

Good Morning!

It's a clear start to a gorgeous day here in Jackson and South Central Michigan.  Enjoy it, because this will likely be the last really nice day for the rest of the week, as a system approaches us from out west, bringing with it rain showers and somewhat cooler temperatures.  There's not really a whole lot going on around the US today.  Let's take a deeper dive:

TEMPERATURES:  We'll make it well into the 60's today under mostly clear skies, though some clouds should start rolling in as the evening commute gets under way.  Some places do have a crack at 70, especially in the south zone.  An upper level wave moves through, bringing along with it some showers and perhaps an embedded thundershower or storm.  Temperatures will roll back to around 50, then rebound nicely.  Most spots in the area should see a 70 for tomorrow.  The weekend is looking a little warmer than in past forecasts - the models are printing lows in the mid to upper 40's, and the lowest daytime high is around 61.

RAIN:  Each day tomorrow afternoon through Sunday, we'll have a shot at some scattered showers with perhaps a roaming thunderstorm.  This forecast is a little wetter than prior runs, owing to a couple of upper-level disturbances moving through, and then an actual upper trough that comes through on Friday evening into Saturday pre-dawn.  Here's the National Weather Service rain forecast for the next 5 days.


Most of south central Michigan looks to be about an inch of rain, but just off to the northwest of us, those areas will see upwards of two inches between now and early next week.  The 2-inch rainfall areas are where that trough is expected to travel through.  The upper disturbances are just that - they'll bother the atmosphere enough to make it rain some, but that's about all.  Here's a look at the visible satellite image, take a good look over Wisconsin, that's where that upper disturbance is right now that will cloud up things and get us wet as early as tonight...


SEVERE WEATHER:  Nothing.  Most of the Upper Peninsula and the western half of the L.P. are under the low 5% risk for garden-variety thunderstorms today.  Tomorrow, it's just the counties in the South zone, and it looks like Washtenaw and maybe even Jackson County will miss even the low end threat.  Not even a "slight" risk category on the map anywhere - rare for this time of year.  Here's a look at the Storm Prediction Center's forecast for today and tomorrow.  The maps are, as always, valid at 8AM.



Now that the groundwork is laid, time for the forecast for Jackson and surrounding communities including Napoleon and Concord.

For today, mostly sunny skies, with a few passing clouds, high temperature near 64, winds SSW increasing to 10-20 MPH by nightfall.

Tonight, mostly starry skies with some clouds, nighttime lows near 50, winds SW 7-15 MPH.

Thursday, sunny skies to start, then clouds slowly increase ahead of that upper disturbance arriving, chance of showers after lunch, high of 69, SW winds 7-15 MPH.

Tomorrow night, showers likely, perhaps a roaming thunderstorm, lows near 48, winds SW 10-15 MPH.

Friday, cloudy skies, showers likely and perhaps a lonely thunderstorm embedded in the showers, high of 60, winds southerly 5-10 MPH.

Saturday, cloudy skies, showers and a couple of thunderstorms likely, high near 58.

Sunday, a lingering shower possible early, then clearing, seasonable, high near 61.

Monday, periods of clouds and sunshine, a outside chance of a shower, hear near 57.

Tuesday, partly sunny, warming slightly, high of 61.

There's your forecast for this hump day Wednesday, I do hope you have a wonderful day!  Blessings.



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