Cool air sticks around a little longer as rain chances return

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Central Indiana has been experiencing the perfect fall-like day to start the weekend.  Temperatures slowly climbed up toward the 70 degree mark this afternoon with beautiful sunshine and low humidity levels.  Talk about a stark contrast to the hot and humid stretch earlier this week.


Lows for Sunday Morning

We are in for another cool night across the state as most of us see clear skies and light winds turning to the south.  We should see a mix of lows ranging from 44-48° outside of the city.  But due to urban heating, Indianapolis will stay warmer overnight, bottoming out closer to 50°.

Sunday will start sunny and chilly.  But as the day progresses, clouds will start to increase.  This will happen mainly starting at noon in our northwestern counties and increasing to the southeast throughout the afternoon.  We’ll turn mostly cloudy by the early evening hours across much of the state as a weak cold front approaches.

Meteogram tomorrow

Sunday temperature track

Temperatures will be a little bit warmer on Sunday afternoon topping out in the mid 70s.  But it’s still going to be comfortable and pleasant.

There’s even going to be a small chance for rain Sunday evening from Lafayette and to the northwest.  This initial rain will not be severe and rainfall amounts will not be impressive.  The atmosphere just doesn’t have a ton of moisture to work with so this will limit how much of an impact this cold front will make in Central Indiana.   The small chance for rain is mainly in our northern counties Sunday night but then that starts to shift closer to the I-70 axis by the morning drive Monday.  This could lead to wet pavement and the need for umbrellas as we start the day.  But again, we aren’t expecting this to be a large rain producer or strong storm system.  This will mainly be a light, spotty rain that ends well before the noon hour.


Shower chances arrive Sunday evening

Because of the weak cold front passing through Central Indiana, Monday should see a small set back in afternoon temperatures, but only by a degree or two.  It will still be a pleasant afternoon with partly cloudy skies.  A ridge of high pressure slides in on Tuesday to bring back plenty of sunshine and this will also help keep temperatures cool on Tuesday with a high in the mid to upper 70s.

The pattern starts to change mid week as heat starts to build back in with rainfall chances.  Wednesday should be warmer as a warm front arrives, getting us back into the low to mid 80s.  It’s late Wednesday night that rainfall chances arrive.  But this isn’t going to be a one day chance.  We’ll see the chance for showers and thunderstorms for both Thursday and Friday with slightly better chances on Friday.  Now, it isn’t going to rain all day both days, but the chance for rain is definitely there.  As we get closer to this event, we’ll have more defined windows for rainfall and dry times.

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