North Texas is finally getting a break in the relentless hot and dry pattern that pushed Dallas-Fort Worth to one of its longest rainless stretches on record and produced more triple-digit September days than ever before.
Showers and thunderstorms moved into portions of the region Sunday as a weak front approached North Texas, with additional rain chances continuing Monday.
The shift comes after DFW International Airport reached 66 consecutive days without measurable precipitation through Saturday, according to National Weather Service records. That made the streak the third-longest on record and one day short of the 67-day stretch in 2022. The all-time record remains 84 days, from July 1 through September 22, 2000.
Whether Sunday’s storms officially ended the dry streak at DFW depends on whether the airport itself recorded at least 0.01 inches of rain. The National Weather Service defines measurable precipitation as 0.01 inches or more.
Even if this system ends the streak, the 66-day run already stands among the most significant dry periods in DFW weather history.
And the lack of rain is only part of the story.
North Texas has simultaneously endured an extraordinary run of late-season heat, including a new record for the number of September days reaching at least 100 degrees.
Rain Chances Continue Monday
Scattered showers and thunderstorms remain possible Monday as the weak frontal boundary works through North Texas.
The system is expected to provide at least some temperature relief after weeks of unusually hot weather, although this will not amount to a major early-fall cold front.
High temperatures around Dallas are expected to remain in the lower to mid-90s Monday, substantially below the triple-digit temperatures recorded repeatedly earlier this month.
That is still considerably warmer than typical late-September conditions. Normal DFW high temperatures fall into the upper 80s by this point in the month, according to the National Weather Service’s DFW climate normals.
The cooler readings could nevertheless feel significant after one of the hottest late summer stretches North Texas has experienced.
September Heat Shatters Record
September 2026 has already rewritten the DFW weather record book.
Through September 17, DFW Airport had recorded 15 days with temperatures of at least 100 degrees during September, according to the National Weather Service.
That is the most September 100-degree days ever recorded at DFW.
Before this year, the record was just eight days, set in September 2023.
DFW therefore nearly doubled its previous September record before the month was even over.
The heat has also pushed 2026 unusually high among the hottest years measured by the number of triple-digit days.
Through September 18, DFW had recorded 52 days at or above 100 degrees in 2026, tying 1954 for the fifth-highest annual total on record, according to NWS historical data.
Only four years recorded more:
2011 recorded 71 days.
1980 recorded 69.
1998 recorded 56.
And 2023 recorded 55.
The numbers are especially striking because the average last 100-degree day at DFW is August 27, according to the National Weather Service.
This year, triple-digit heat extended weeks beyond that average date.
Two Major Triple-Digit Streaks
The season also produced two notable consecutive stretches of 100-degree weather.
DFW recorded 12 consecutive 100-degree days from August 22 through September 2, which ranks 19th among the area’s longest such streaks.
Then, after only a brief interruption, another run began.
DFW recorded 13 consecutive 100-degree days from September 4 through September 16, ranking 15th on the all-time list, according to National Weather Service statistics.
That second stretch is particularly unusual because most of it occurred in September, long after North Texas would normally be moving away from peak summer temperatures.
August itself was also exceptional.
DFW recorded 27 days of at least 100 degrees during August 2026, tying August 2000 and August 1952 for the second-most ever recorded during that month.
Only August 2011, with 28 triple-digit days, recorded more.
Drought Conditions Deteriorate Rapidly
The prolonged heat has intensified the effect of the lack of rainfall.
Drought conditions have deteriorated rapidly across North and Central Texas since early summer, according to the National Weather Service’s September drought update.
The agency said prolonged hot and dry conditions erased much of the improvement produced by an exceptionally wet late spring and early summer.
Moderate drought had become widespread across much of the agency’s 46-county forecast area by early September, while pockets of severe drought had redeveloped in portions of North Texas.
The combination of persistent heat, limited rainfall and increasing evaporation has reduced soil moisture and stressed vegetation.
The transformation happened quickly.
Conditions improved substantially during late spring and early summer, but weeks of heat and almost no measurable rainfall reversed much of that progress.
The National Weather Service called the recent rain-free stretch “particularly noteworthy” in its September drought assessment.
Forecasters also said the broader outlook continued to favor drought persistence across North and Central Texas through the remainder of the warm season.
DFW Dry Streak Grew From 53 Days To 66
The severity of the dry period has been apparent for weeks.
As previously reported by The Dallas Express, DFW’s stretch without measurable rainfall reached 53 days in early September as North Texas remained locked in an intense heat pattern.
At that point, Dallas was forecast to reach approximately 101 degrees, with heat index readings potentially climbing even higher.
The dry streak then continued for nearly another two weeks.
By September 18, DFW Airport had recorded 65 consecutive days without measurable precipitation, according to the National Weather Service. By Saturday, the streak had reached 66 days.
That pushed the ongoing streak past the 58-day dry periods recorded in 1950 and 1934 and into third place historically.
Only the 67-day dry stretch in 2022 and the 84-day record from 2000 lasted longer.
The approaching weather system may prevent 2026 from climbing higher on that list, but scattered rainfall alone would not necessarily eliminate the underlying drought.
Why The Heat Has Been So Persistent
The unusual September pattern is not simply a matter of a few isolated hot afternoons.
In an extended-range weather discussion issued September 15, the National Weather Service said the remainder of September was likely to remain warmer and drier than normal across North and Central Texas.
Forecasters pointed to several large-scale atmospheric patterns that have helped keep cooler fall air north of the region.
The agency said a positive North Atlantic Oscillation, negative Pacific-North American pattern and positive Arctic Oscillation had all contributed to a pattern favoring warmth and limited storm activity across North Texas.
The National Weather Service also noted that although El Niño is strengthening, its wetter influence on Texas is generally more pronounced later in the fall and during winter.
A more substantial pattern change could become increasingly possible around the beginning of October.
Relief Comes With Limits
The return of rain chances does not mean North Texas is suddenly transitioning into sustained cool weather.
Temperatures are still expected to remain above normal, with highs generally in the lower to mid-90s through much of the coming week.
Rain chances are also expected to become more limited after the front moves through.
That means drought conditions could persist even if some parts of North Texas receive beneficial rainfall Monday.
Still, after DFW reached 66 consecutive days without measurable precipitation and shattered its previous September record for triple-digit heat, even a modest break is significant.
For North Texans who have spent most of September watching temperatures climb toward or above 100 degrees under nearly uninterrupted sunshine, the combination of clouds, scattered rain chances and temperatures several degrees lower may finally make Monday feel a little different.
