I-40 weather conditions near Knoxville, Arkansas
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7 day weather forecast
Current condition: Fair 71°F 2025-07-09T00:53:00-05:00 
Overnight 2025-07-09, Mostly Cloudy. Mostly cloudy, with a low around 71. Calm wind.Wednesday 2025-07-09, Mostly Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.
Wednesday Night 2025-07-09, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.
Thursday 2025-07-10, Mostly Sunny then Slight Chance T-storms. A 10 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night 2025-07-10, Mostly Clear. Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm.
Friday 2025-07-11, Sunny. Sunny, with a high near 95. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.Friday Night 2025-07-11, Mostly Clear then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Saturday 2025-07-12, Chance Showers then Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night 2025-07-12, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening.Sunday 2025-07-13, Chance Showers then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night 2025-07-13, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Monday 2025-07-14, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night 2025-07-14, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.- Tuesday 2025-07-15, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.