CLARKSVILLE, TN (CLARKSVILLE NOW) – Summer officially begins this weekend, and it’s coming in hot. Literally heatwave-level hot.

On Friday – the official first day of summer – the high will be 89, and Saturday ticks up to 92, and then 94 on Sunday, according to the National Weather Service. But Saturday’s high comes with intense humidity for a heat index of 105 degrees.

On Saturday and Sunday, you’ll want to stay hydrated and limit your time outdoors from 11 a.m. to 8 p.m. Stay in a cool place during the heat of the day.

| 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:

  • Tuesday: Showers and thunderstorms, mainly before 4pm. High near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
  • Tuesday night: A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph.
  • Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
  • Wednesday night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
  • Juneteenth: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West southwest wind 5 to 10 mph.
  • Thursday night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. West northwest wind around 5 mph becoming calm.
  • Friday: Sunny, with a high near 89. Calm wind becoming south around 5 mph.
  • Friday night: Mostly clear, with a low around 70.
  • Saturday: Sunny, with a high near 92.
  • Saturday night: Mostly clear, with a low around 74.
  • Sunday: Sunny, with a high near 94.

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