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Altamont, SD Weather Forecast
Altamont, SD Weather Forecast Date: 1212 PM CDT Sun Sep 13 2026
The area/counties/county of: Deuel, including the city of Clear Lake.or toggle through each period.
This Afternoon... Partly sunny. Highs in the upper 60s. East winds around 5 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Southeast winds 10 to 15 mph. Gusts up to 30 mph after midnight.
Monday... Showers with a chance of thunderstorms in the morning, then showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100%.
Monday Night... Partly cloudy. Lows around 50. West winds 10 to 15 mph with gusts up to 30 mph.
Tuesday... Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
Wednesday... Partly sunny in the morning, then becoming mostly cloudy. A 30% chance of showers. Highs in the mid 60s.
Wednesday Night... Mostly cloudy. Lows in the lower 50s. Highs in the lower 70s.
Thursday... Mostly cloudy. Lows in the lower 50s. Highs in the lower 70s.
Thursday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s. Highs in the lower 70s.
Friday... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s. Highs in the lower 70s.
POP = Probability of Precipitation
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