Alabama Will See Relief From Heat Wave Next Week

Temperatures will drop across Alabama as a high-pressure ridge moves out of the region starting Wednesday.

Updated on Sept. 19, 2026 in Forecasts

Wide view of rolling Alabama hills under a late afternoon sun, showing a transition from a hazy horizon to a clear sky.
Temperatures are expected to drop across Alabama starting next week as a high-pressure ridge exits, ending the current heat wave. AI Illustration. Upload story photo >

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Alabama residents can expect a decline in high temperatures starting September 23, 2026, as a ridge of high pressure moves away. This shift will allow cooler, drier air from the north to enter the state.

Why it matters

The movement of this high-pressure system is expected to break the current heat wave, providing relief to the state after a week of intense warmth. This transition will lower temperatures by 5 to 10 degrees from those recorded during the week of September 19, 2026.

Most of Alabama will see highs reach the 80s by Thursday, with Fort Payne projected to hit 79 degrees. Current models indicate a 33 to 50 percent chance of above-average temperatures lingering through October 2.

The players

National Weather Service

This federal agency is responsible for providing weather forecasts and hazardous weather warnings for the United States.

Climate Prediction Center

This entity provides climate outlooks and monitors seasonal weather trends and temperature probability anomalies.

The details

A ridge of high pressure that caused significant heat across Alabama throughout the week of September 19, 2026, is finally being nudged out of the area. As this system departs, cooler and drier air will move into the state from the north to moderate the weather.

Timeline

  1. September 19, 2026: Heat advisories expanded across Alabama.

  2. September 23, 2026: Temperatures begin to decline in Alabama.

  3. September 24, 2026: High temperatures reach the 80s for most of Alabama.

  4. September 26 - October 2, 2026: Probability of above-average temperatures persists.

Seasonal Patterns

The heat wave in Alabama follows the standard protocol established by the National Weather Service's heat advisory criteria for identifying and alerting residents to extreme temperature risks. The current forecast marks the end of an active advisory period triggered by these criteria.

Residents should remain aware of lingering heat advisories through the weekend before conditions improve. Those in affected areas should continue to follow local cooling guidance until temperatures reach seasonal norms.

The takeaway

While relief is on the way, the Climate Prediction Center notes that the risk of above-average temperatures remains for the state through early October. Residents should plan for a continued, albeit milder, warm spell as the transition to fall progresses.

Further reading

For more information on upcoming weather trends in the region, visit Alabama Forecasts.

Live Poll

Is the intensity of late-summer heat waves in your area increasing year over year?