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August 12, 6 PM Weather Forecast Update

Here is your latest weather outlook for now through the rest of August to early September, based on the latest data available.

Posted: Aug 12, 2020 3:57 PM
Updated: Aug 12, 2020 9:46 PM

Lows this morning ran 53-63.

Highs today reached 82-87 with dew points in the 62-68 range to make for a bit of stickiness, but it wasn't terrible.

A nice night is ahead with mostly clear skies, an east breeze & lows 57-64.  We should begin to turn partly cloudy early tomorrow morning & be partly cloudy during the day (though thicker clouds south). 

Highs should reach 84-90, but the humidity will be held in check with generally easterly winds.

Skies look mostly cloudy Friday morning (lows 60s to 70), followed by a mix of clouds/sun with a few isolated showers/storms & highs 84-90 with heat indices peaking at 89-95.

As for Saturday, it looks like a mix of clouds/sun with very warm to hot, humid conditions with highs 86-91 & heat indices 90-98.

Some scattered storms are possible (35% coverage) with outflow boundary coming in from the northwest & with weak surface convergence boundary over our area.  Any risk of a severe storm would be isolated.

On Sunday, broken line of storms are possible in the afternoon-evening as surface cold front & upper trough swing through.

There is the risk of an isolated severe storm or two.

Certainly, not everyone will get a good rain out of this round, unlike earlier this week.

Next week features 4 days of below normal temperatures with refreshingly cool nights & mostly to partly cloudy days.  I kept 30% coverage of showers/t'showers in the area for Monday afternoon as a secondary surface cold front & shortwave comes in & re-enforces cooler, less humid air.

Temperature anomaly map below (via GFS model) from Pivotal Weather:

Heat & high humidity return & dominate much of late August to early September with a couple of streaks of 90s & heat indices +100 possible:

Rainfall continue to trend below normal overall for late August to early September:

We will watch for the potential of a couple "Ridge Riders" or complexes of storms on the periphery of the upper ridge of intense heat.

We will also will watch the increasingly-active tropics.

Mid-September does show a spurt of below normal temperatures for that time.

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West Lafayette
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Rensselaer
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Fowler
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Williamsport
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Frankfort
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Delphi
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Monticello
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Logansport
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