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County Forecast for Ames , IA
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182300-
Story-
Including the city of Ames
1020 AM CDT Thu Sep 18 2025

Rest of today   Partly sunny late this morning, then becoming mostly cloudy. A slight chance of showers late this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 70s. South winds around 5 mph. Chance of rain 40 percent.
Tonight   Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 60s. South winds around 5 mph. Chance of rain 70 percent.
Friday   Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 40 percent.
Friday night   Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 50s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
Saturday   Partly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds around 5 mph. Chance of rain 30 percent.
Saturday night   Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40 percent.
Sunday   Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Sunday night   Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.
Monday   Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.
Monday night   Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 40 percent.
Tuesday   Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
Tuesday night   Partly cloudy with a 20 percent chance of showers. Lows in the mid 50s.
Wednesday   Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Another Rainy Day for Central US Thursday
Posted at 5:35AM Thu Sep 18, 2025 CDT
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