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Timing Weekend Rain Chances

Posted By · May 15, 2015 at 11:41 pm

There were a couple of lines of showers and storms that moved across central Indiana on Friday night.  There were also lots of dry hours on Friday afternoon.  The weekend will be very similar.  The SkyTrak13 Weather Team is tracking a warm and unsettled weather pattern through Monday.  Lows will be in the 60s and highs in the 80s through the weekend.  Timing the storms will be a bit tricky, but we think the best chance for rain and storms will come with afternoon and heating.  Here is a look at the latest timing with FutureTrak13 for Saturday.

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There will be some adjustments to timing, as we watch the complexes of rain and storms develop, so check back for updates.  Remember you can take us along with you too, by downloading the SkyTrak13 Weather App.


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Cooler Air Arriving Now

Posted By · May 11, 2015 at 7:10 pm
The lines of rain and storms from earlier today are moving east and out of central Indiana.  Cooler air will arrive later tonight.
Skies will clear and temperatures will fall into the 50s.  Tuesday will be a cooler day, with highs in the 60s.  It will be breezy too, with winds W 10-20mph.  Expect a mix of clouds and sun on Tuesday.
Mostly sunny skies are in the forecast for Wednesday, with highs near 70 degrees.
We are forecasting a dry weather pattern through Thursday.
Warmer air and scattered storm chances arrive on Friday and will last through the weekend.  We are not forecasting a wash-out and we will fine tune timing for rain chances, as we get closer to the weekend.
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A Stretch of 80s

Posted By · May 5, 2015 at 4:17 pm
The warm air is here.  High temperatures today reached the 80s.  There is a string of 80 degree days in the forecast.  In fact, we have 80s in the forecast through the weekend.  Most of central Indiana will be dry Tuesday evening and Tuesday night.  There is a thin line of showers and storms across far northern Indiana, but we are forecasting that line to stay north.  It will be a great night for baseball at Victory Field.  First pitch Tuesday evening is 7:05.  There is an afternoon game on Wednesday too, with a first pitch at 1:35.
 The Wednesday forecast includes morning sunshine and a few afternoon clouds.  There is a very slight chance for a pop-up shower or storm.  This would only amount to 1 or 2 on the radar.  Thursday and Friday will be dry, with highs near 85 degrees.
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 There is still a chance for rain on Saturday and Sunday.  We have scattered chances now and this means we are not forecasting a weekend wash-out.  We will keep you updated on the timing, as we get closer to the weekend.  Monday and Tuesday look stormy, with a better chance for widespread rain.
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Rain and a Few Storms Overnight

Posted By · May 4, 2015 at 10:23 pm
Scattered showers and storms will stay in the forecast Monday night.  The storms are developing along a boundary that will start to lift north on Tuesday.  The boundary will still be the focus for some showers and storms on Tuesday, but that will be across the northern part of the state.
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South of the boundary, heat will build.  High temperatures will be in the lower and middle 80s Tuesday through Friday.  Here is the planner for Tuesday and forecast high temperatures.

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We have the forecast dry until the weekend too.

Right now there is a chance for rain and storms on Saturday and Sunday.  We are not forecasting all day rains this weekend.  We will keep you updated on the weekend outlook and timing those rain chances.  There are a couple of big events on Saturday.  The 500 Festival Kids Day and Rookie Run are in downtown Indianapolis on the circle.  The Angie’s List Grand Prix of Indianapolis is at the Indianapolis Motor Speedway.

There is a better chance for heavier rain and storms on Monday.


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We’ve had this is in our forecast since Monday, and now have had reports of small hail with lightning in stronger cells that have developed within the past hour.  The much colder air aloft combined with spin around an upper level low overhead may produce some cold-air funnels too.  This rarely ever reach the ground but can be a bit alarming to the untrained eye.  The best chance of seeing one will likely be on the eastern and southeastern half of the state today.


Showers and storms diminish quickly toward sunset as the upper low pivots south of the Ohio River.  This paves the way for a pleasant weekend warm up that will see temperatures rise into the 70s for highs.  We’ll post an updated long range forecast shortly as it appears the first week of May will be in the 80s!


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Rain Out and Sunshine In

Posted By · April 25, 2015 at 4:21 pm
The heavy rain and lightning will end Saturday evening and we can focus on a sunny Sunday.
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A drier weather pattern will arrive overnight, with low temperatures falling into the upper 30s and lower 40s.  After that cool start to Sunday, it will be sunny and 60 degrees on Sunday afternoon.


The SkyTrak 13 Weather Team is tracking a dry and warmer weather pattern next week.  Monday will be sunny and near 60, but high temperatures warm a few more degrees into the lower and middle 60s for Tuesday and Wednesday.

Even warmer air arrives for the end of the week.  Highs will be in the upper 60s and lower 70s on Thursday and Friday.

Right now we have the weekend warm and dry too.  Forecast highs are in the middle and upper 70s.  We will monitor the Saturday forecast closely.  It is the first big weekend of the month of May and there are 2 big events on Saturday.  The 500 Festival Mini Marathon is on Saturday morning and you can watch it on WTHR Channel 13 this year.  Rev Indy is a big event at the Indianapolis Motor Speedway on Saturday night.


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Monday Marks Prolonged Spell Of Below Normal Temperatures

Posted By · April 20, 2015 at 1:18 pm

In the wake of a cold front that passed through the Indy metro area around 9am this morning… gusty wind and below normal temperatures are the big story this afternoon.  Temperatures range from 45 to 55 degrees for late day highs.


The aforementioned front is now pushing across Ohio and attached to an area of low pressure over the Great Lakes.  This low will be the driver of our weather for several days and becomes cut-off from the main jet stream.  This allows it to spin around the Great Lakes day after day and reinforce already cooler than normal conditions.


This is the first day of an unseasonably cool stretch of days with temperature anomalies 10-15 degrees below normal.

Spotty showers pop up during peak heating this afternoon as the atmosphere destabilizes.  Clouds and showers diminish after sunset, but the brisk wind remains a constant heading into Tuesday morning.


Despite clearing and lows dropping into the upper 30s and lower 40s… the steady breeze keeps frost from morning tonight.  Expect brisk conditions to linger into Wednesday morning as the pressure gradient around the Great Lakes Low keeps the wind in the 10mph+ range for the next 48 hours.


Morning sunshine tomorrow gives way to a building cloud deck and more showers in the afternoon.  Highs near 60 degrees Tuesday but a strong wind of 25-35mph makes it feel cooler.


Steady wind saves the region from frost Tuesday and Wednesday mornings.  But we’ll need to monitor Thursday and Friday mornings for frost potential and the wind eases and we’ll see greater raditional cooling.  Either way lows will chill into the low to mid 30s.  A bright finish to the week gives way to clouds and showers heading into Saturday.


All signs point to a much colder than normal finish to the month of April and perhaps beginning of May.  Stay tuned for updates – Sean Ash

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Northern Lights Possible This Evening?

Posted By · March 17, 2015 at 4:54 pm

It is a possibility here in Central Indiana as the Space Weather Prediction Center alerted of a severe geomagnetic storm in progress.  According to the SWPC this is due to the interaction of a pair of coronal mass ejections (CMEs) spewing from the sun earlier today and now interacting with the Earth’s atmosphere.

They note that similar events have produced aurora borealis as far south as Alabama, North Carolina and northern California.  It’s not a given, but we do expect clear conditions this evening.  They’re predicting the storm to diminish as the day ends… so it may be a race against time with our sunset time at 7:54pm.  Keep an eye to the north and please let us know if you’re fortunate enough to see this atmospheric treat.

Below is an aurora forecast map produced by the University of Alaska at Fairbanks:



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