July 24, 5 PM Weather Forecast Update

Oppressive heat moves in this weekend, then showers/storms followed by cool-down.

Posted: Jul 24, 2020 3:41 PM
Updated: Jul 24, 2020 9:34 PM

Thank you to everyone for some of the pictures of Comet Neowise.  It was as close to the Earth last night as it will be for the next 6,800 years.

It is not easy to see.  It is not like Comet Hale-Bopp or Comet Hyakutake back in the 1990s.  Hyakutake was the most spectacular of all.  It was easily seen with the naked eye & was pretty conspicuous & large in the sky.  However, Neowise looks like a star with a faint tail & it has a bluish cooler.

It really takes a telescope & binoculars for the best look.

I got a look at it by not staring directly at the Big Dipper bowl, but just left of it, leaving Neowise in my peripheral vision.  That is how I spotted its tail lastnight.

Check it out again tonight after dusk near the Big Dipper bowl well away from any city light pollution.

It will be fading away pretty soon as it goes farther & farther away from Earth.

This pic was taken by Mary Rose Rice of West Lafayette.  The circle indicates where the comet is located in the image.

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Highs today reached 82-88 with the humidity held in check.  This morning was the coolest in 9 days at 59-65.

This NWS alert map tells our weather story.

A big dome of heat with very oppressive dew points is promoting expanding heat alerts in the Midwest & Plains, while tropical, sultry air courtesy of the Pacific Monsoon & flow from the Gulf of Mexico bring flooding rainfall to parts of the Southwest & Plains.

Also, "Hanna" will bring flooding rainfall to Texas. 

The hot upper ridge expanding over our area will push the system into south Texas, then northern Mexico.

First, the heat.....

Highs should reach 88-92 Saturday with heat indices 92-99 with lots of sunshine & a light southeast to south wind (after 60s to 70 in the morning with some patchy fog).

Late afternoon Saturday actual air temperatures:

Sunday looks to turn partly cloudy with highs 91-95, but oppressive dew points to 78 will begin to pool, especially in our northwestern counties.  So, heat indices of 100-111 are possible with a light southwest wind.

Sunday night looks sultry with lows 74-78 with dew points 73-77 all night with a south-southwest wind.

Sunday, around 1:30 p.m. actual air temperatures.

Now to the rainfall....

An isolated shower/storm is possible Sunday afternoon.

By Sunday evening, a line of storms should be northwest of our area with some severe weather risk Iowa to southern Wisconsin, northern Illinois to Michigan.

Line of storms should collapse with east & southeastward progression Sunday evening-night.  We will pick up increasing clouds from it.

Things should fire back up Monday in the hot, oppressive air along & ahead of the cold front.  Numerous showers & storms will develop ahead of & along the cold front, with additional showers & storms still possible even behind the front.

Given the tropical airmass, locally-heavy rainfall is possible.

An isolated severe storm is possible, but at this point it looks more like your typical summer downpours of storms rather than substantial severe weather risk (given anafrontal-type set up & lack of good bulk shear).

We will still monitor for changes, however.

The remnant circulation of "Hanna" & deep tropical moisture may be absorbed into surface low in the Plains late next week.  This will bring showers & storms at the end of next week.

There continues to be a pretty substantial corridor of severe weather risk that shows up from Iowa to Missouri, Illinois & Indiana.

Guidance continues to show SLIGHT to ENHANCED parameters in our region.

We will still monitor for changes, however.

Rest of July is warmer than normal.

Early August is trending warmer than normal overall, as well.

Bit cooler than normal trend still looks likely around mid-August.

Late August to start of September looks warmer than normal.

Rainfall is currently trending around normal in our area.  It could go above if we see more tropical influence.

Lafayette
Cloudy
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Hi: 47° Lo: 24°
Feels Like: 40°
Kokomo
Cloudy
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Hi: 40° Lo: 20°
Feels Like: 29°
Rensselaer
Cloudy
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Hi: 39° Lo: 21°
Feels Like: 34°
Lafayette
Cloudy
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Hi: 42° Lo: 25°
Feels Like: 40°
Danville
Cloudy
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Hi: 46° Lo: 25°
Feels Like: 34°
Frankfort
Cloudy
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Hi: 46° Lo: 26°
Feels Like: 33°
Frankfort
Cloudy
39° wxIcon
Hi: 43° Lo: 23°
Feels Like: 33°
Monticello
Cloudy
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Hi: 44° Lo: 22°
Feels Like: 36°
Monticello
Cloudy
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Hi: 44° Lo: 21°
Feels Like: 36°
Logansport
Cloudy
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Hi: 41° Lo: 20°
Feels Like: 34°
Warmest weather since December is ahead with good timing with the weekend rainfall...
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