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Grant, IA Weather Forecast
Grant, IA Weather Forecast Date: 1108 PM CDT Sat Sep 12 2026
The area/counties/county of: Montgomery, including the city of Red Oak.or toggle through each period.
Rest of Tonight... Partly cloudy late this evening, then mostly cloudy with a chance of showers and thunderstorms. Near steady temperature around 60. Northeast winds around 5 mph. Chance of rain 30%.
Sunday... Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain 70%.
Sunday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows around 60. East winds 10 to 15 mph. Chance of rain 50%.
Monday... Mostly cloudy in the morning, then becoming mostly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Breezy and much warmer. Humid with highs in the mid 80s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 60%.
Monday Night... Showers and thunderstorms. Breezy with lows in the upper 60s. South winds 15 to 25 mph with gusts up to 35 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain near 100%.
Tuesday... Showers and thunderstorms. Not as warm with highs in the mid 70s. Temperature falling to around 70 in the afternoon. Chance of rain near 100%.
Tuesday Night... A chance of thunderstorms. Showers likely in the evening, then showers after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. Chance of rain 90%.
Wednesday... A chance of thunderstorms. Showers. Highs around 70. Chance of rain 90%.
Wednesday Night... A chance of thunderstorms. Showers. Lows in the lower 60s. Chance of rain 80%.
Thursday... Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 70%.
Thursday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers. Lows in the upper 50s. Chance of rain 50%.
Friday... Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms in the morning. A chance of showers. Highs in the mid 70s. Chance of rain 50%.
Friday Night... Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 40%.
POP = Probability of Precipitation
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