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County Forecast for Cumberland , IA |
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Cass-
Including the city of Atlantic
822 AM CDT Fri Sep 4 2026
..heat advisory in effect until 7 pm cdt saturday
Rest of today Sunny. Highs in the mid 90s. Southwest winds around 10 mph. Heat index values up to 104 this afternoon.
Tonight Partly cloudy. Humid with lows in the lower 70s. South winds around 5 mph. Heat index values up to 103 early in the evening.
Saturday Sunny with highs in the mid 90s. South winds around 5 mph. Heat index values up to 102.
Saturday night Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.
Sunday Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Humid with highs in the lower 90s. Southeast winds around 5 mph. Chance of rain 30 percent.
Sunday night Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent.
Labor day Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs around 90. Chance of rain 20 percent.
Monday night Partly cloudy. Lows in the mid 70s.
Tuesday Partly sunny in the morning, then sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon.
Tuesday night Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100 early in the evening.
Wednesday Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent.
Wednesday night Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 30 percent.
Thursday Partly sunny in the morning, then clearing. A 20 percent chance of showers. Highs in the mid 80s. |
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Bryce Anderson – DTN Meteorologist
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| Another Round of Northern Storms Friday |
Strong, widespread showers likely from eastern Midwest to Mid-Atlantic. Showers also for Canadian Prairies. » More DTN Weather Commentary |
| Posted at 5:36AM Fri Sep 4, 2026 CDT |
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