Lake Cortez, AR 7-Day Weather Forecast
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Lake Cortez Weather Forecast


Lake Cortez, AR Weather Forecast Date: 450 PM CDT Mon Aug 17 2026
Weather forecast for Lake Cortez, AR
| Tonight Lo: 75°F Lo: 24°C |
Tonight... Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the mid 70s. North winds around 5 mph, becoming northeast after midnight. Chance of rain 20%. Average rainfall less than 1/10 inch. Heat index values up to 109 early this evening. |
| Tue Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Tuesday... Sunny. Highs in the upper 90s. East winds around 5 mph, becoming south in the afternoon. Heat index values up to 112 in the afternoon. |
| Wed Hi: 101°FHi: 38°C Lo: 75°F Lo: 24°C |
Wednesday... Sunny, hot with highs around 101. Southwest winds 5 to 10 mph. Heat index values up to 112 in the afternoon. |
| Thu Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30%. Heat index values up to 110 in the afternoon. |
| Fri Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Friday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. |
| Sat Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Saturday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. |
| Sun Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Sunday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. |
| Sun Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Sunday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105. |
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