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Lost Lake, SD Weather Forecast
Lost Lake, SD Weather Forecast Date: 1237 AM CDT Mon Aug 03 2026
The area/counties/county of: Marshall, including the city of Britton.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the lower 70s. South winds 15 to 20 mph with gusts up to 35 mph.
Monday... Partly sunny. A slight chance of thunderstorms in the morning. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20%.
Monday Night... Mostly cloudy with a chance of thunderstorms in the evening, then partly cloudy after midnight. Patchy smoke. Breezy, cooler with lows in the mid 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 50%.
Tuesday... Patchy smoke in the morning. Mostly sunny. Not as warm. Less humid with highs in the mid 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Mostly clear. Lows in the lower 50s. Southwest winds 5 to 10 mph.
Wednesday... Mostly sunny. Highs in the upper 70s.
Wednesday Night... Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
Thursday... Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
Thursday Night... Mostly clear. Lows in the lower 60s. Highs in the mid 80s.
Friday... Mostly clear. Lows in the lower 60s. Highs in the mid 80s.
Saturday... Mostly clear. Lows in the lower 60s. Highs in the mid 80s.
Saturday Night... Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.
POP = Probability of Precipitation
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