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Isabel Muni, SD Weather Forecast
Isabel Muni, SD Weather Forecast Date: 836 PM MDT Thu Aug 20 2026
The area/counties/county of: Dewey, including the city of Isabel.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph, becoming northeast around 5 mph after midnight.
Friday... Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph with gusts up to 20 mph.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
Saturday... Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of rain 20%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. A slight chance of thunderstorms. Breezy with highs in the lower 80s. Chance of rain 50%.
Sunday Night... Partly cloudy. A chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 50%.
Monday... Partly sunny. Highs in the upper 80s.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. A 20% chance of thunderstorms. Lows in the lower 60s.
Tuesday... Partly sunny. Highs in the mid 80s.
Tuesday Night... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Wednesday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. A 20% chance of thunderstorms. Lows in the upper 50s.
POP = Probability of Precipitation
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