Update, 10 p.m.: The Heat Advisory has been extended until 7 p.m. Sunday.

Update, 4:15 p.m.: At 3 p.m., the high again reached 99 degrees, with a heat index of 103.

Previously:

CLARKSVILLE, TN (CLARKSVILLE NOW) – With highs lingering near the triple digits, a Heat Advisory from the National Weather Service remains in effect through the weekend. Overnight temperatures will remain warm, with lows in the mid-70s.

The high on Tuesday reached 99 at 3 p.m., with a 105 heat index. On Wednesday, it reached 98 degrees at 4 p.m., again with a 105 heat index.

During the Heat Advisory, people are advised to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors

Temperatures should finally begin cooling down Monday night, with a low of 69, then a Tuesday high down to 91.

Clarksville forecast

Here’s the day-by-day outlook.

  • Thursday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph.
  • Thursday night: Mostly clear, with a low around 74. Calm wind.
  • Friday: Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming northwest around 5 mph in the afternoon.
  • Friday night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.
  • Saturday: Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
  • Saturday night: Mostly clear, with a low around 73. Calm wind becoming south around 5 mph.
  • Sunday: Sunny and hot, with a high near 98. West wind around 5 mph.
  • Sunday night: Mostly clear, with a low around 72. Northwest wind around 5 mph becoming southeast in the evening.

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