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Marvin, SD Weather Forecast
Marvin, SD Weather Forecast Date: 1037 AM CDT Sun Aug 02 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. South winds 15 to 20 mph with gusts up to 30 mph.
Tonight... Partly cloudy. Humid with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 35 mph.
Monday... Partly sunny. Humid with highs in the mid 80s. South winds 15 to 20 mph with gusts up to 35 mph.
Monday Night... Showers with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 50s. West winds 15 to 20 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain 80%.
Tuesday... Partly sunny. Not as warm. Less humid with highs in the lower 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Tuesday Night... Mostly clear. Lows in the mid 50s. Highs in the upper 70s.
Wednesday... Mostly clear. Lows in the mid 50s. Highs in the upper 70s.
Wednesday Night... Mostly clear. Lows around 60. Highs in the lower 80s.
Thursday... Mostly clear. Lows around 60. Highs in the lower 80s.
Friday... Mostly clear. Lows around 60. Highs in the lower 80s.
Friday Night... Mostly clear in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20%.
POP = Probability of Precipitation
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