Heat Index Near 100
Monday, September 7, 2026 · 10:23 PM
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Updated at ten twenty P.M. Central Daylight Time Monday September seventh twenty twenty-six. Above-normal temperatures with highs generally in the nineties expected through the week. Wednesday will be the hottest day of the week with heat indices near one hundred degrees. Mainly dry Tuesday and Wednesday, but rain chances increase starting Thursday. Strong high pressure setting over the Plains Stepping right back over the southeast again Low chance of patchy fog in the midnight glow Lows in the sixties to low seventies down low I got my sunglasses on in the middle of the night West of the Plateau, honey, everything is right Strong subsidence tryin' to shut us down Precipitable water one point three in this town Ten to twenty percent chance of rain in the air Convection-allowing models say I just don't care Yeah we're baking in the nineties, strutting through the street Turn the humidity up, I'm addicted to the heat Wednesday is coming and it's taking control Give me that heat index near 100 National Blend of Models introduced a little spark Maybe an isolated shower before it gets dark Warm atmosphere generating trouble real fast Most of the area staying dry to the last I like it hot, yeah, I like it bone dry Squeezing every degree from a sun-drenched sky Strong subsidence tryin' to shut us down Precipitable water one point three in this town Ten to twenty percent chance of rain in the air Convection-allowing models say I just don't care Yeah we're baking in the nineties, strutting through the street Turn the humidity up, I'm addicted to the heat Wednesday is coming and it's taking control Give me that heat index near 100 Bring on Wednesday Mid-nineties west of the Plateau Give me that heat index near 100 Yeah
The forecast discussion
NEW SHORT TERM, LONG TERM
KEY MESSAGES
Updated at 1020 PM CDT Mon Sep 7 2026
- Above-normal temperatures with highs generally in the 90s expected through the week.
Wednesday will be the hottest day of the week with heat indices near 100 degrees.
- Mainly dry Tuesday and Wednesday, but rain chances increase starting Thursday.
SHORT TERM
(Tonight through Wednesday Night) Issued at 1020 PM CDT Mon Sep 7 2026
Satellite imagery this evening shows strong high pressure centered over the Plains, and this feature will be setting back over the southeastern US through Wednesday.
Quiet night is ahead with only a low chance for patchy fog and lows in the 60s to low-70s.
Temperatures will be on the rise Tuesday and Wednesday, peaking in the mid-90s west of the Plateau.
Some CAMs are picking up on a few isolated showers Tuesday.
Not sure how likely this is with strong subsidence, but PWATs of 1.3 inches are right around average so perhaps this warm atmosphere can help generate a couple showers.
The NBM has picked up on this as well and has introduced low PoPs (10-20%) into the forecast.
At any rate, most of the area will stay dry, and dry conditions expected on Wednesday.
Wednesday will also be the hottest day of the week with heat indices near 100.
LONG TERM
(Thursday through next Tuesday) Issued at 1020 PM CDT Mon Sep 7 2026
Troughing to our north sends a front south on Thursday.
Moisture streaming into the area ahead of the front will cause rain/thunderstorm chances to increase Thursday into Friday.
Forecast soundings still don't show much of a severe threat with poor lapse rates and weak shear at or less than 30 knots.
But with forcing from the front, we may have to watch to see if a low strong to severe threat presents itself.
Low to medium rain chances will linger this weekend with southerly flow and a couple shortwaves tracking through the area.
As far as temperatures go, they'll cool some Thursday into the weekend with the breakdown of the high and periods of rain, but highs still look to range from the upper-80s into the low-90s.