Up To 109
Monday, August 31, 2026 · 10:49 PM
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Hot with highs in the mid to upper nineties west of the Plateau this week. Major to extreme heat risk is expected by the middle of the week with heat index values in the triple digits. Wednesday and Thursday should be the most impactful days of the week. Very low rain chances through midweek. Look at the sky west of the Plateau Upper level ridge with nowhere to go Dew points lingering in the seventies I am strutting through town doing what I please Afternoon cumulus floating real high Not a single drop of rain falling from the sky Forty percent chance that we hit one hundred plus Wednesday and Thursday are coming for us Major to extreme heat risk on the line Watch the mercury climb, watch the mercury climb West of the Plateau where the asphalt shines Overnight lows in the sticky seventies line You want some shade but the ridge says mine Yeah the heat index pushes up to 109 Zero percent rain, just pure thick heat Overnight lows staying warm on the street Mid to upper nineties everywhere you turn Sitting on the porch watching summer burn Heat risk rising up to the extreme Living out a sweltering Sunset Strip dream Forty percent chance that we hit one hundred plus Wednesday and Thursday are coming for us Major to extreme heat risk on the line Watch the mercury climb, watch the mercury climb West of the Plateau where the asphalt shines Overnight lows in the sticky seventies line You want some shade but the ridge says mine Yeah the heat index pushes up to 109 Up to 109 Yeah, Wednesday and Thursday, up to 109 Heat index rising, up to 109
The forecast discussion
NEW SHORT TERM, LONG TERM
KEY MESSAGES
Updated at 1049 PM CDT Mon Aug 31 2026
- Hot with highs in the mid to upper 90s west of the Plateau this week.
- Major to extreme heat risk is expected by the middle of the week with heat index values in the triple digits.
Wednesday and Thursday should be the most impactful days of the week.
- Very low rain chances through midweek.
SHORT TERM
(Tonight through Wednesday Night) Issued at 1049 PM CDT Mon Aug 31 2026
The upper level ridge is starting to build over the eastern half of the US and that will bring a prolonged period of hot weather.
Highs are already well into the 90s and we will see that continue this week as the ridge remains overhead.
Wednesday and Thursday look to be the peak of the heat with highs pushing into the mid to upper 90s and up to a 40% chance of 100+ for parts of the area.
Once you add in humidity with dew points in the 70s we will see afternoon heat index values push into the triple digits and will be as hot as 109 Wednesday and Thursday.
This heat will bring major to extreme heat risk by the middle of the week.
Overnight lows are also going to remain mild only falling into the 70s.
With the ridge overhead rain chances will be near zero but afternoon cumulus clouds can be expected.
LONG TERM
(Thursday through next Tuesday) Issued at 1049 PM CDT Mon Aug 31 2026
The upper level ridge will start to break down and build west late week as an upper level trough pushes into the Northeast.
This will start to bring a gradual cooldown Friday into the weekend.
It will still be on the hot side over the holiday weekend but highs should fall back into the low to mid 90s.
Highs will continue to cool into early next week into the upper 80s to lower 90s which is getting a little closer to seasonal norms.
As the ridge breaks down rain chances will increase but overall forcing will be weak keeping the chances low to medium mainly during the afternoons.