Tennessee Weather Alert: Memphis Faces Thunderstorm Risk on I-40 Through Monday Night, Sunny Break by Tuesday September 16

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Memphis, TN – Storms linger in West Tennessee tonight, but clear skies and hot September sun will return by Tuesday afternoon. Drivers on I-40 and I-240 should prepare for slick roads through the overnight hours, with scattered showers and thunder possible before dawn.

According to the National Weather Service in Memphis, a 40% chance of showers remains until early Tuesday, dropping off completely by sunrise. High pressure builds behind the system, pushing temperatures to 94°F by Tuesday with mostly clear skies. Humidity stays high, keeping heat index values near 100°F.

Travelers should use caution if heading out late Monday night or early Tuesday morning, especially near low-lying roads where brief ponding is possible. After the wet start, Tennessee residents can expect several dry, sunny days, but highs will hover near the mid-90s, raising concerns for outdoor workers and afternoon heat stress.

Wednesday brings another mostly sunny day, with highs again in the mid-90s and calm winds. By Thursday, conditions stay dry with a slight breeze, though the chance for isolated storms returns Thursday night. Friday could bring scattered showers across Shelby County, but rainfall totals are expected to stay light.

The bigger story for the week will be the persistent heat, with multiple days pushing into the mid-90s. Residents are advised to stay hydrated, limit strenuous activity during peak afternoon hours, and check on vulnerable neighbors.

Warnings for overnight storms remain in place until early Tuesday morning, but no widespread flooding or severe threats are expected after sunrise.

Five-Day Forecast for Memphis, TN:

  • Tuesday: Sunny, high near 94°F, low around 70°F.
  • Wednesday: Mostly sunny, high near 94°F, low around 69°F.
  • Thursday: Mostly sunny, high near 95°F, low around 70°F.
  • Friday: Partly sunny, chance of showers 40%, high near 91°F.
  • Saturday: Partly sunny, chance of storms 20%, high near 89°F.