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Fourmile Lake, SD 7-Day Night Weather Forecast
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Fourmile Lake, SD Weather Forecast
Fourmile Lake, SD Weather Forecast Date: 737 AM CDT Sat Aug 15 2026
The area/counties/county of: Marshall, including the city of Britton.or toggle through each period.
Today... Mostly cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs around 80. Southwest winds 10 to 15 mph, becoming west this afternoon.
Tonight... Partly cloudy. Lows in the upper 50s. Northwest winds 10 to 15 mph.
Sunday... Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. North winds 5 to 10 mph, becoming south after midnight.
Monday... Partly sunny. A slight chance of showers in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30%.
Monday Night... Partly cloudy with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. Chance of rain 30%.
Tuesday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 70%.
Tuesday Night... Mostly cloudy. A chance of thunderstorms in the evening. Lows in the lower 50s. Chance of rain 40%.
Wednesday... Partly sunny. Highs in the lower 70s.
Wednesday Night... Partly cloudy. Lows in the mid 50s.
Thursday... Partly cloudy. A 20% chance of thunderstorms. Highs in the mid 70s. Lows in the upper 50s.
Thursday Night... Partly cloudy. A 20% chance of thunderstorms. Highs in the mid 70s. Lows in the upper 50s.
POP = Probability of Precipitation
Fourmile Lake Radar Loop
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