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Isabel, SD Weather Forecast
Isabel, SD Weather Forecast Date: 1121 PM MDT Thu Oct 29 2026
The area/counties/county of: Dewey, including the city of Isabel.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the mid 30s. East winds 5 to 10 mph with gusts up to 20 mph.
Friday... Mostly cloudy in the morning, then becoming partly sunny. Areas of fog in the morning. Highs in the mid 50s. East winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.
Friday Night... Mostly cloudy. A chance of sprinkles in the evening, then a chance of rain after midnight. Not as cool with lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50%.
Saturday... Cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night... Mostly cloudy. Lows in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s.
Sunday Night... Cloudy. Rain likely after midnight. Lows in the upper 40s. Chance of rain 70%.
Monday... Rain, windy. Near steady temperature in the lower 50s. Chance of rain 90%.
Monday Night... Rain likely. Windy with lows in the lower 40s. Chance of rain 70%.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. A 50% chance of rain. Breezy with highs in the lower 50s.
Tuesday Night... Mostly cloudy. A chance of rain, mainly in the evening. Breezy with lows in the mid 30s. Chance of rain 40%.
Wednesday... Partly sunny. Highs in the upper 40s.
Wednesday Night... Partly cloudy. Lows in the lower 30s. Highs in the mid 40s.
POP = Probability of Precipitation
Isabel Radar Loop
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