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In honor of first heat wave next week, name what you think highest heat index region of US
Posted on 5/10/25 at 10:15 am
Posted on 5/10/25 at 10:15 am
High in region next week:
Dallas - 103
Houston - 97
Shreveport - 95
Baton Rouge - 91
New Orleans - 91
Jackson - 90
Atlanta - 88
Midland - 100
There is a phenomenon in Southern US where the further West you go, the higher the temps gets. However, the humidity stops around I-35 corridor. This leads into what I think the hottest region of the US is. Draw a parallelogram from Shreveport to Dallas to Houston to Lake Charles. In my experience living across the Deep South area, this is the hottest part of the US. It gets the extreme high temps, and the extreme humidities (Dallas doesn't, but it makes up for it with 108). Once you get East of Louisiana, the temps start to go down (and when I say that, we're talking margins). Having lived in Houston and Atlanta, Houston heat index on average will be 8 degrees higher than Atlanta any given summer day.
Here is a rank of the most humid cities in the US: LINK
1. Port Arthur
2. Lake Charles
9. Baton Rouge
10. Houston
20. New Orleans
22. Shreveport
23. Mobile
So the cities of Mobile, New Orleans, and Baton Rouge are extreme humid as we obviously know, but when Baton Rouge is 98, Houston is 103. That's what makes me think this area in East Texas and Far West Louisiana is the pinnacle of the worst of the worst, talking in margins.
Now, I have not really ever been to Phoenix or the area in the summer. The common saying is it's the humidity, not the temps. Well at some point, the temps do matter. So maybe Phoenix is worst. I just don't know.
Dallas - 103
Houston - 97
Shreveport - 95
Baton Rouge - 91
New Orleans - 91
Jackson - 90
Atlanta - 88
Midland - 100
There is a phenomenon in Southern US where the further West you go, the higher the temps gets. However, the humidity stops around I-35 corridor. This leads into what I think the hottest region of the US is. Draw a parallelogram from Shreveport to Dallas to Houston to Lake Charles. In my experience living across the Deep South area, this is the hottest part of the US. It gets the extreme high temps, and the extreme humidities (Dallas doesn't, but it makes up for it with 108). Once you get East of Louisiana, the temps start to go down (and when I say that, we're talking margins). Having lived in Houston and Atlanta, Houston heat index on average will be 8 degrees higher than Atlanta any given summer day.
Here is a rank of the most humid cities in the US: LINK
1. Port Arthur
2. Lake Charles
9. Baton Rouge
10. Houston
20. New Orleans
22. Shreveport
23. Mobile
So the cities of Mobile, New Orleans, and Baton Rouge are extreme humid as we obviously know, but when Baton Rouge is 98, Houston is 103. That's what makes me think this area in East Texas and Far West Louisiana is the pinnacle of the worst of the worst, talking in margins.
Now, I have not really ever been to Phoenix or the area in the summer. The common saying is it's the humidity, not the temps. Well at some point, the temps do matter. So maybe Phoenix is worst. I just don't know.
This post was edited on 5/10/25 at 10:19 am
16
Posted on 5/10/25 at 10:19 am to Saunson69
Less than 7,000 years ago, a person could walk from (what are now) Denmark through the UK to Ireland.
Over the history of this planet there have been great swings and anomalies in climate.
The onliest thing that won’t change is that there will be climatic changes.
So when there’s more swamp arse in Midland than in Montegut, I don’t much sweat it.
Over the history of this planet there have been great swings and anomalies in climate.
The onliest thing that won’t change is that there will be climatic changes.
So when there’s more swamp arse in Midland than in Montegut, I don’t much sweat it.
Posted on 5/10/25 at 10:24 am to Saunson69
quote:
heat wave
quote:
Atlanta - 88
Posted on 5/10/25 at 10:27 am to Saunson69
quote:
highest heat index region of US
arse-crack of anyone over 350lbs.
Posted on 5/10/25 at 10:27 am to soccerfüt
quote:
onliest
Posted on 5/10/25 at 10:28 am to soccerfüt
quote:
So when there’s more swamp arse in Midland than in Montegut, I don’t much sweat it.
i’m from Montegut and now live in Midland (actually Odessa).
never thought i’d see those 2 mentioned in same sentence by anyone other than me and maybe like 1 other person.
Posted on 5/10/25 at 10:32 am to Saunson69
Amazing for pool time and day drinking but dang it, doing much else outside is not fun
Posted on 5/10/25 at 10:35 am to Saunson69
Around Pearsall is the hottest imo. It's triple digits there pretty much all summer.
Posted on 5/10/25 at 10:37 am to Nutriaitch
quote:
i’m from Montegut and now live in Midland (actually Odessa). never thought i’d see those 2 mentioned in same sentence by anyone other than me and maybe like 1 other person.
It was for alliterative purposes; if the OP would have used Odessa instead, it’d have been Opelousas.
Montegut (like where I’m from) is a good place to be FROM.
Y’all get some hellacious weather mood swings thereabouts.
Stay safe!
Posted on 5/10/25 at 10:39 am to Saunson69
Badwater
Posted on 5/10/25 at 10:49 am to Saunson69
quote:
The common saying is it's the humidity, not the temps. Well at some point, the temps do matter. So maybe Phoenix is worst. I just don't know.
It’s a 20 degree difference between the sun and the shade in Phoenix.
You barely get reprieve anywhere besides a fully air conditioned room in the Deep South.
But those direct sun rays in Arizona will fricking kill you. So it kind of depends on what you’re thinking about when analyzing the differences.
Posted on 5/10/25 at 10:53 am to Saunson69
The highest heat index on Earth is North Fort Polk.
Posted on 5/10/25 at 10:59 am to RougeDawg
quote:
The highest heat index on Earth is North Fort Polk
I feel bad for those dudes in NY or Washington State who's first Army summer is in Leesville.
Posted on 5/10/25 at 11:03 am to Saunson69
Dallas is plenty humid lol. It’s obviously not as bad as the Gulf Coast area, but in terms of practical effect on the heat index, they’re basically the same. As you can see on your list of highs, Dallas is 10 degrees hotter. The moderating effect of the ocean on raw temperature goes away, and while the humidity obviously drops, it’s not drastic enough to make a big difference.
Just in general, the corridor goes up a bit further north than you’re crediting it. Temperatures don’t decline that drastically until you’re deep into Kansas/Missouri.
All that to say I’m wondering if OKC is going to get popped too We tend to go as Dallas goes, unless there’s some unusual weather effect running straight east-west.
To your broader point, I do think the corridor you described has the worst extremes of anywhere in the US (after pulling it up north a bit). I’d say Houston in particular is probably the absolute worst. The humidity is more on par with south Louisiana but the temps are higher.
I’m not sure if the desert cities out west have it worse. The dryness offsets the increased heat to a degree, which I think makes for less terrible extremes (though still pretty bad). The difference is that they never cool off. Lows in Phoenix and Vegas during the summer may never drop below 85 degrees
Just in general, the corridor goes up a bit further north than you’re crediting it. Temperatures don’t decline that drastically until you’re deep into Kansas/Missouri.
All that to say I’m wondering if OKC is going to get popped too
We tend to go as Dallas goes, unless there’s some unusual weather effect running straight east-west. To your broader point, I do think the corridor you described has the worst extremes of anywhere in the US (after pulling it up north a bit). I’d say Houston in particular is probably the absolute worst. The humidity is more on par with south Louisiana but the temps are higher.
I’m not sure if the desert cities out west have it worse. The dryness offsets the increased heat to a degree, which I think makes for less terrible extremes (though still pretty bad). The difference is that they never cool off. Lows in Phoenix and Vegas during the summer may never drop below 85 degrees
Posted on 5/10/25 at 11:08 am to Saunson69
quote:
Now, I have not really ever been to Phoenix or the area in the summer. The common saying is it's the humidity, not the temps. Well at some point, the temps do matter. So maybe Phoenix is worst. I just don't know.
Having lived in the gulf south my whole life, I thought the same regarding humidity etc.
I’ll just say- Phoenix in the summer feels like a fricking oven day and night. Outside of the hottest months the weather is pretty freaking nice though
Posted on 5/10/25 at 11:08 am to OKBoomerSooner
Have they named it yet? They name every single 'weather event' now, ya know
Posted on 5/10/25 at 11:20 am to Saunson69
Hell is upon us.
Posted on 5/10/25 at 11:58 am to Saunson69
quote:Those September and October days after Rita were absolutely miserable.
That's what makes me think this area in East Texas and Far West Louisiana is the pinnacle of the worst of the worst, talking in margins.
Posted on 5/10/25 at 12:02 pm to Saunson69
Damn what the numbers say no place on Earth gets more uncomfortably hot than Monroe and Baton Rouge in the summertime
Posted on 5/10/25 at 12:02 pm to jennyjones
quote:Agreed. I’ve never been hotter in my life than in Phoenix Labor Day weekend. Walked out of the airport at 930pm and it was like walking into a fricking oven (it was like 107 degrees)
Having lived in the gulf south my whole life, I thought the same regarding humidity etc. I’ll just say- Phoenix in the summer feels like a fricking oven day and night. Outside of the hottest months the weather is pretty freaking nice though
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