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City of Atlantic, IAAtlantic, IA 7-Day Night Weather Forecast
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Atlantic, IA Weather Forecast
Atlantic, IA Weather Forecast Date: 523 AM CDT Fri Sep 18 2026
The area/counties/county of: Cass, including the city of Atlantic.or toggle through each period.
Today... Cloudy this morning, then becoming mostly sunny. Patchy fog this morning. Highs in the mid 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. South winds 10 to 15 mph. Chance of rain 60%.
Saturday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs around 80. West winds 5 to 10 mph, becoming northwest in the afternoon. Chance of rain 50%.
Saturday Night... A chance of thunderstorms. Showers with lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 80%.
Sunday... Cloudy with a 50% chance of showers. Humid. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph.
Sunday Night... Cloudy with a 50% chance of showers. Lows in the mid 50s.
Monday... Cloudy with a 50% chance of showers. Near steady temperature in the upper 50s.
Monday Night... Mostly cloudy. A slight chance of showers in the evening. Lows in the lower 50s. Chance of rain 20%.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.
Wednesday... Partly sunny. Highs in the lower 60s.
Wednesday Night... Mostly cloudy with a 20% chance of showers. Lows in the lower 50s.
POP = Probability of Precipitation
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