250900- Jackson- Including the city of Altus 843 PM CDT Mon Aug 24 2026
..heat advisory in effect from 1 pm to 7 pm cdt tuesday Tonight Mostly clear. Lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 109 early this evening. Tuesday Sunny, hot with highs around 107. West winds around 10 mph, becoming northeast in the afternoon. Tuesday night Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 105 early in the evening. Wednesday Partly sunny. Hot with highs around 100. North winds 5 to 10 mph with gusts up to 20 mph. Wednesday night Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. Thursday Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Thursday night Partly cloudy. Lows around 70. Friday Sunny, hot with highs around 100. Friday night Clear. Lows in the lower 70s. Saturday Sunny, hot with highs 100 to 105. Saturday night Clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. Sunday Sunny, hot with highs around 105. Sunday night Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. Monday Sunny, hot with highs around 105.