Update: Monday’s high at Outlaw Field was just shy of 94 degrees from 2-4 p.m., with the heat index reaching 103.

Previously:

CLARKSVILLE, TN (CLARKSVILLE NOW) – With daily afternoon temperatures expected at 95 or higher all week, and heat indexes of 105 today and Tuesday, the National Weather Service has extended its Heat Advisory for all of Middle Tennessee through Friday at 7 p.m.

“The first major heat wave of the season is upon us, and we will see a prolonged period of hot and humid weather through the week,” the NWS said. “There will be a quick onset of stressful heat levels.” The NWS advises people limit time outdoors between 10 a.m. and 6 p.m. If you must be outdoors, stay hydrated and take frequent breaks.

Sunday’s high was just shy of 92 degrees from 3-6 p.m., with the heat index reaching 100.

| MORE: What’s a heat index? Your guide to summer heat warnings, how to stay safe

Clarksville forecast

Here’s the day-by-day outlook:

  • Today: A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 94. Heat index values as high as 105. Calm wind. Chance of precipitation is 20%.
  • Tonight: Mostly clear, with a low around 74. Calm wind.
  • Tuesday: Sunny, with a high near 95. Heat index values as high as 105. Calm wind.
  • Tuesday night: Mostly clear, with a low around 74. Calm wind.
  • Wednesday: Sunny, with a high near 96. Calm wind.
  • Wednesday night: Mostly clear, with a low around 74. Calm wind.
  • Thursday: Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph.
  • Thursday night: Partly cloudy, with a low around 74. Calm wind.
  • Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
  • Friday night: Partly cloudy, with a low around 74.

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