I-40 weather conditions near Lamar, Arkansas
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Current Weather Conditions
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7 day weather forecast
Current condition: Fair 90°F 2025-08-12T11:53:00-05:00 
Today 2025-08-12, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 103. West southwest wind around 5 mph.
Tonight 2025-08-12, Chance T-storms. A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.- Wednesday 2025-08-13, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night 2025-08-13, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Thursday 2025-08-14, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night 2025-08-14, Mostly Clear. Mostly clear, with a low around 73. Calm wind.Friday 2025-08-15, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.
Friday Night 2025-08-15, Partly Cloudy. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Saturday 2025-08-16, Hot. Sunny and hot, with a high near 99. Calm wind becoming south southwest around 5 mph in the afternoon.- Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 74.
- Sunday 2025-08-17, Hot. Sunny and hot, with a high near 100.
- Sunday Night 2025-08-17, Partly Cloudy. Partly cloudy, with a low around 74.
- Monday 2025-08-18, Hot. Sunny and hot, with a high near 99.