Weather forecast for: Decatur AR
Last Update: 12:51 pm CDT Sep 14, 2026
This Afternoon: Isolated showers after 4pm. Sunny, with a high near 97. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight: Mostly clear, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday: Sunny, with a high near 98. Heat index values as high as 102. South wind around 10 mph.
Tuesday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.
Wednesday: Sunny, with a high near 97. South wind 5 to 10 mph.
Wednesday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.
Thursday: Sunny, with a high near 95. South wind around 5 mph.
Thursday Night: Mostly clear, with a low around 73. South wind around 5 mph.
Friday: Sunny, with a high near 95. South wind 5 to 10 mph.
Friday Night: Mostly clear, with a low around 70. South wind around 5 mph.
Saturday: Sunny, with a high near 92. Southwest wind 5 to 10 mph.
Saturday Night: Mostly clear, with a low around 69. South wind around 5 mph.
Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 5 to 10 mph becoming southwest in the afternoon.