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Letcher Lake, SD 7-Day Night Weather Forecast
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Letcher Lake, SD Weather Forecast
Letcher Lake, SD Weather Forecast Date: 644 AM CDT Mon Aug 17 2026
The area/counties/county of: Sanborn, including the city of Woonsocket.or toggle through each period.
Today... Mostly sunny. Highs in the mid 80s. South winds 5 to 10 mph, becoming southwest 10 to 15 mph this afternoon.
Tonight... Partly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the lower 60s. West winds 5 to 10 mph, becoming south after midnight. Chance of rain 50%.
Tuesday... Partly sunny. A chance of showers and thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Northeast winds around 5 mph. Chance of rain 40%.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. North winds around 5 mph, becoming east after midnight.
Wednesday... Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of rain 50%.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 50s. Chance of rain 50%.
Thursday... Mostly sunny. Highs in the lower 80s.
Thursday Night... Mostly clear. Lows in the lower 60s.
Friday... Sunny. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the upper 50s.
Saturday... Mostly sunny. Highs around 80.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
POP = Probability of Precipitation
Letcher Lake Radar Loop
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