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 75°F 2025-07-04T00:53:00-05:00 
Overnight 2025-07-04, Clear. Clear, with a low around 71. Calm wind.Independence Day 2025-07-04, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. Heat index values as high as 99. East northeast wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Friday Night 2025-07-04, Mostly Clear. Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm in the evening.
Saturday 2025-07-05, Mostly Sunny. Mostly sunny, with a high near 95. Heat index values as high as 102. East northeast wind around 5 mph becoming south in the afternoon.- Saturday Night 2025-07-05, Partly Cloudy. Partly cloudy, with a low around 73. Calm wind.
Sunday 2025-07-06, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night 2025-07-06, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind.
Monday 2025-07-07, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.- Monday Night 2025-07-07, Partly Cloudy. Partly cloudy, with a low around 71. Calm wind.
- Tuesday 2025-07-08, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.
- Tuesday Night 2025-07-08, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday 2025-07-09, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Wednesday Night 2025-07-09, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.- Thursday 2025-07-10, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.