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Timber Lake, SD Weather Forecast
Timber Lake, SD Weather Forecast Date: 322 PM MDT Mon Sep 21 2026
The area/counties/county of: Dewey, including the city of Isabel.or toggle through each period.
Tonight... Mostly cloudy. Lows in the mid 40s. Southeast winds 10 to 15 mph.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 35 mph.
Tuesday Night... Mostly cloudy with a 20% chance of showers. Breezy. Near steady temperature in the mid 50s. Southeast winds 20 to 25 mph with gusts up to 35 mph.
Wednesday... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Breezy with highs around 70. Southeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 70%.
Wednesday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Breezy with lows in the lower 50s. Southeast winds 20 to 25 mph with gusts up to 35 mph, becoming southwest 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 50%.
Thursday... Partly cloudy. Highs in the mid 70s. Lows in the lower 50s.
Thursday Night... Partly cloudy. Highs in the mid 70s. Lows in the lower 50s.
Friday... Mostly cloudy with a 20% chance of thunderstorms. Highs around 70. Lows in the mid 50s.
Friday Night... Mostly cloudy with a 20% chance of thunderstorms. Highs around 70. Lows in the mid 50s.
Saturday... Partly sunny. Highs in the mid 70s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
Sunday... Partly sunny. Highs in the upper 60s.
Sunday Night... Mostly cloudy. A 50% chance of showers. Lows in the lower 50s. Highs in the upper 60s.
POP = Probability of Precipitation
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