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Grass Rope, SD Weather Forecast
Grass Rope, SD Weather Forecast Date: 821 PM CDT Mon Sep 14 2026
The area/counties/county of: Lyman, including the city of Kennebec.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Tuesday... Mostly sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Wednesday... Partly sunny. A slight chance of showers in the morning. Highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20%.
Wednesday Night... Mostly cloudy. Lows in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming east 5 to 10 mph after midnight.
Thursday... Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40%.
Thursday Night... A chance of thunderstorms. Showers. Lows around 60. Chance of rain 80%.
Friday... A chance of showers in the morning. Mostly cloudy with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 50%.
Friday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 30%.
Saturday... Mostly cloudy in the morning, then becoming partly sunny. A 20% chance of showers. Highs in the lower 70s.
Saturday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 50s.
Sunday... Partly sunny with a 20% chance of showers. Highs in the lower 70s.
Sunday Night... Partly cloudy with a 20% chance of showers. Lows in the lower 50s.
POP = Probability of Precipitation
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