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Lightcap, SD Weather Forecast
Lightcap, SD Weather Forecast Date: 321 PM MDT Mon Sep 07 2026
The area/counties/county of: Dewey, including the city of Isabel.or toggle through each period.
Tonight... Partly cloudy this evening, then becoming mostly cloudy. Breezy with lows in the lower 60s. Southwest winds 20 to 25 mph with gusts up to 35 mph, becoming northwest 10 to 15 mph with gusts up to 25 mph after midnight.
Tuesday... Mostly sunny. Highs in the lower 80s. West winds 15 to 20 mph with gusts up to 35 mph.
Tuesday Night... Mostly clear. Lows in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 35 mph.
Wednesday... Mostly sunny. Highs in the upper 70s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night... Mostly clear. Lows in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight.
Thursday... Sunny. Highs in the upper 80s.
Thursday Night... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Friday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
Saturday... Partly sunny. Not as warm with highs in the mid 70s.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 40%.
Sunday... Partly sunny with a 20% chance of showers. Highs in the upper 60s.
Sunday Night... Mostly cloudy. A 50% chance of showers. Lows in the upper 40s. Highs in the mid 60s.
POP = Probability of Precipitation
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