Weather World
Greys Lake, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Greys Lake, SD Weather Forecast
Greys Lake, SD Weather Forecast Date: 332 AM CDT Tue Aug 11 2026
The area/counties/county of: Marshall, including the city of Britton.or toggle through each period.
Today... Partly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.
Tonight... Mostly cloudy with a 50% chance of thunderstorms. Humid with lows in the lower 60s. East winds around 5 mph.
Wednesday... Partly sunny. A chance of thunderstorms, mainly in the morning. Humid with highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 30%.
Wednesday Night... Mostly cloudy. A chance of thunderstorms, mainly in the evening. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph with gusts up to 25 mph.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.
Friday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40%.
Friday Night... Mostly cloudy. A chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. Chance of rain 50%.
Saturday... A slight chance of thunderstorms in the morning. Mostly cloudy with a chance of showers. Highs in the lower 70s. Chance of rain 50%.
Saturday Night... Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 50s. Chance of rain 20%.
Sunday... Partly cloudy. Highs in the mid 70s. Lows in the upper 50s.
POP = Probability of Precipitation
Greys Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...