County Forecast for Aspinwall , IA
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120600-
Crawford-
Including the city of Denison
518 PM CDT Tue Aug 11 2026

Tonight   Partly cloudy this evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 102 early this evening.
Wednesday   Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 40 percent.
Wednesday night   Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 80 percent.
Thursday   Showers with a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 80 percent.
Thursday night   Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the mid 60s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.
Friday   Cloudy. A chance of showers and thunderstorms, mainly in the morning. Highs around 80. Chance of rain 50 percent.
Friday night   Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.
Saturday   Cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
Saturday night   Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the mid 60s. Chance of rain 60 percent.
Sunday   Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
Sunday night   Partly cloudy. Lows around 60.
Monday   Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
Monday night   Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.
Tuesday   Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs around 80. Chance of rain 20 percent.
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Bryce Anderson – DTN Meteorologist
More Rounds of Severe Weather Possible Wednesday

Severe storms, including a destructive bow echo, are targeting the Midwest Tuesday with more threats ahead. » More DTN Weather Commentary

Posted at 12:09PM Tue Aug 11, 2026 CDT
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