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Sixmile Lake, SD Weather Forecast
Sixmile Lake, SD Weather Forecast Date: 1036 PM CDT Thu Aug 20 2026
The area/counties/county of: Marshall, including the city of Britton.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the upper 50s. North winds around 5 mph.
Friday... Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph.
Friday Night... Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph.
Saturday... Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. East winds 5 to 10 mph, becoming southeast after midnight.
Sunday... Partly sunny. Highs in the upper 70s.
Sunday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 40%.
Monday... Mostly cloudy in the morning, then clearing. Highs in the lower 80s.
Monday Night... Partly cloudy. A slight chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20%.
Tuesday... Partly sunny. Highs in the lower 80s.
Tuesday Night... Mostly clear. Lows in the upper 50s. Highs in the upper 70s.
Wednesday... Mostly clear. Lows in the upper 50s. Highs in the upper 70s.
POP = Probability of Precipitation
Sixmile Lake Radar Loop
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