Eureka Lake, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Eureka Lake, SD Weather Forecast


Eureka Lake, SD Weather Forecast Date: 507 PM CDT Tue Sep 01 2026
The area/counties/county of: Mcpherson, including the city of Eureka.or toggle through each period.
Tonight... Mostly cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 50%.
Wednesday... Partly sunny. Highs in the lower 80s. Northeast winds 10 to 15 mph, becoming southeast in the afternoon.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds 10 to 15 mph.
Thursday... Partly sunny. Hot with highs around 90. Southeast winds 10 to 15 mph, becoming south in the afternoon.
Thursday Night... Mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph, becoming northeast after midnight.
Friday... Mostly sunny. Hot with highs in the lower 90s.
Friday Night... Mostly clear in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20%.
Saturday... Mostly sunny. Hot with highs in the lower 90s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. A 20% chance of thunderstorms. Lows in the lower 60s.
Sunday... Partly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20%.
Sunday Night... Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
Labor Day... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 40%.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. A 40% chance of showers. Breezy with lows in the upper 50s.
Weather World