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Eureka, SD 7-Day Night Weather Forecast
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Eureka, SD Weather Forecast
Eureka, SD Weather Forecast Date: 947 AM CDT Fri Oct 23 2026
The area/counties/county of: Mcpherson, including the city of Eureka.or toggle through each period.
Rest of Today... Partly sunny. A chance of sprinkles late this morning. Breezy with highs in the upper 70s. Southeast winds 15 to 25 mph with gusts up to 35 mph.
Tonight... Partly cloudy and windy, cooler with lows in the mid 40s. South winds 15 to 20 mph, becoming southwest 20 to 30 mph after midnight.
Saturday... Partly sunny and windy. Much cooler with highs in the lower 50s. Northwest winds 25 to 30 mph with gusts up to 45 mph, diminishing to 15 to 25 mph with gusts up to 35 mph in the afternoon.
Saturday Night... Partly cloudy. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph, diminishing to around 5 mph after midnight.
Sunday... Partly sunny in the morning, then mostly cloudy with a slight chance of rain in the afternoon. Highs in the upper 40s. North winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 20%.
Sunday Night... Rain likely. Lows in the lower 30s. Chance of rain 70%.
Monday... A slight chance of snow in the morning. Rain likely. Little or no snow accumulation. Highs in the lower 40s. Chance of precipitation 70%.
Monday Night... Rain likely, mainly in the evening. Lows in the lower 30s. Chance of rain 70%.
Tuesday... Mostly cloudy with a chance of rain in the morning, then partly sunny with a slight chance of rain in the afternoon. Highs in the upper 40s. Chance of rain 50%.
Tuesday Night... Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the mid 30s. Chance of rain 40%.
Wednesday... Partly sunny. A slight chance of rain in the morning. Highs in the lower 50s. Chance of rain 20%.
Wednesday Night... Partly cloudy. Lows in the lower 30s. Highs in the upper 40s.
POP = Probability of Precipitation
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