National Weather Service Forecast for: Clarksville AR
Issued by: National Weather Service Little Rock, AR
Updated: 6:35 am CDT Jun 30, 2026
 
Today

Today: Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming south around 5 mph in the morning.
Hot
 Tonight

Tonight: Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming south southwest around 5 mph in the afternoon.
Hot
 Wednesday
Night
Wednesday Night: Clear, with a low around 77. South southeast wind around 5 mph becoming calm.
Clear
 Thursday

Thursday: Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Mostly Clear
 Friday

Friday: Mostly sunny, with a high near 96. Calm wind becoming south around 5 mph.
Mostly Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 77. Calm wind.
Partly Cloudy
 Independence
Day
Independence Day: Mostly sunny and hot, with a high near 97. Calm wind.
Hot
Hi 98 °F Lo 75 °F Hi 97 °F Lo 77 °F Hi 96 °F Lo 77 °F Hi 96 °F Lo 77 °F Hi 97 °F

Heat Advisory
 

Today
 
 Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming south around 5 mph in the morning.
Tonight
 
 Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
 
 Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 77. South southeast wind around 5 mph becoming calm.
Thursday
 
 Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Friday
 
 Mostly sunny, with a high near 96. Calm wind becoming south around 5 mph.
Friday Night
 
 Partly cloudy, with a low around 77. Calm wind.
Independence Day
 
 Mostly sunny and hot, with a high near 97. Calm wind.
Saturday Night
 
 Partly cloudy, with a low around 77.
Sunday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Clarksville AR.