CLARKSVILLE, TN (CLARKSVILLE NOW) – There’s a chance that storms could disrupt outdoor plans this weekend.

We have a 40% chance of storms on Friday, a 30% chance Saturday and 40% chance Sunday, according to the National Weather Service.

Highs all weekend will hover around 90, with lows around 70.

Clarksville forecast

Here’s the day-by-day outlook.

Friday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, with a high near 88. Heat index values as high as 100. Northwest wind around 5 mph becoming north northeast in the afternoon.

Friday night: Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.

Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 91. East southeast wind around 5 mph. Chance of precipitation is 30%.

Saturday night: A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 30%.

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Sunday night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 10 mph.