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Eureka, SD 7-Day Night Weather Forecast
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Eureka, SD Weather Forecast
Eureka, SD Weather Forecast Date: 1221 PM CDT Mon Sep 07 2026
The area/counties/county of: Mcpherson, including the city of Eureka.or toggle through each period.
This Afternoon... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Breezy with highs in the mid 80s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%.
Tonight... Mostly cloudy. Humid with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph, becoming west 10 to 15 mph after midnight.
Tuesday... Mostly sunny and breezy and less humid with highs around 80. West winds 15 to 25 mph with gusts up to 35 mph.
Tuesday Night... Mostly clear and breezy. Lows in the mid 50s. West winds 15 to 25 mph.
Wednesday... Mostly sunny. Highs in the mid 70s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night... Mostly clear. Lows in the lower 50s.
Thursday... Sunny. Highs in the mid 80s.
Thursday Night... Mostly clear. Lows in the upper 50s. Highs in the lower 80s.
Friday... Mostly clear. Lows in the upper 50s. Highs in the lower 80s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 50.
Saturday... Partly sunny. Not as warm with highs in the upper 60s.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Chance of rain 40%.
POP = Probability of Precipitation
Eureka Radar Loop
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