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Marvin, SD 7-Day Night Weather Forecast
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Marvin, SD Weather Forecast
Marvin, SD Weather Forecast Date: 1037 AM CDT Mon Aug 10 2026
The area/counties/county of: Grant, including the city of Milbank.or toggle through each period.
Rest of Today... Partly sunny. Highs in the lower 80s. East winds 5 to 10 mph with gusts up to 20 mph.
Tonight... Mostly cloudy. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Humid with lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 50%.
Tuesday... Partly sunny. Humid with highs in the lower 80s. East winds around 5 mph.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers after midnight. Humid with lows in the lower 60s. Southeast winds around 5 mph, becoming northeast after midnight. Chance of rain 40%.
Wednesday... Partly sunny. Humid with highs in the upper 70s. Northeast winds 5 to 10 mph.
Wednesday Night... Mostly cloudy with a 20% chance of thunderstorms. Lows in the upper 50s.
Thursday... Mostly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Thursday Night... Mostly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Friday... Mostly cloudy. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40%.
Friday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
Saturday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s.
Saturday Night... Mostly cloudy. A 20% chance of showers. Lows in the mid 50s. Highs in the lower 70s.
POP = Probability of Precipitation
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