Altus office  (580) 482-5969  Gin office (580) 738-5274  Tipton office  (580) 667-5251
County Forecast for Altus , OK
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220200-
Jackson-
Including the city of Altus
108 PM CDT Fri Aug 21 2026

..heat advisory in effect until 9 pm cdt this evening   
..heat advisory in effect from 1 pm to 7 pm cdt saturday   
This afternoon   Sunny, hot with highs around 108. South winds 10 to 15 mph with gusts up to 25 mph.
Tonight   Mostly clear. Lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 107 early in the evening.
Saturday   Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs around 109. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 30 percent.
Saturday night   Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 107 early in the evening.
Sunday   Sunny, hot with highs around 110. Southeast winds 5 to 10 mph, becoming south in the afternoon.
Sunday night   Mostly clear. Lows in the lower 80s. Heat index values up to 110 early in the evening.
Monday   Sunny, hot with highs around 110.
Monday night   Mostly clear. Lows around 80. Heat index values up to 110 early in the evening.
Tuesday   Sunny, hot with highs around 110.
Tuesday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Wednesday   Sunny, hot with highs 100 to 105.
Wednesday night   Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
Thursday   Sunny, hot with highs around 100.
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Bryce Anderson – DTN Meteorologist
System Moving Through Midwest This Weekend, Another Next Week
Posted at 12:17PM Fri Aug 21, 2026 CDT
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