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Daily Storm Reports

Daily Storm Report for September 15, 2026

A dated forecast discussion from the WDS ops desk.

EXTREME WEATHER OUTLOOK

Updated by Henry Margusity

WDSStorm forecast map
FIRST SNOWS OF THE SEASON forecast map
Heat Outlook: Unseasonable Temperatures Continue Across the South

Today's storm map is highlighting a persistent area of dangerous heat extending from the Southern Plains through the Mississippi Valley and into the Tennessee Valley. Temperatures are expected to climb well into the 90s, with some locations reaching the lower 100s. Heat index values will also rise into the triple digits, creating additional concerns for those spending extended periods outdoors.

As we move deeper into September, normal temperatures are declining fairly quickly across the country. This means the departure from average is becoming increasingly significant, with this prolonged heat becoming more unusual for this late in the season.

The combination of high temperatures and elevated heat index values will be especially important for outdoor workers, agricultural workers, and anyone spending extended time outside. Stay hydrated, take regular breaks in shaded or air-conditioned areas, and avoid prolonged exposure during the hottest part of the day.

The heat pattern is expected to gradually ease by next week as cooler air begins to move into the region. Until then, residents across the Southern Plains, Mississippi Valley, and Tennessee Valley should continue to monitor local heat conditions and take precautions during these unusually warm September days.

About Daily Storm Reports

Daily Storm Reports are free public forecast discussions from the WDS ops desk.

For full forecast coverage, visit the 4070 weather platform, the forecasts page, or the storm report archive.