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Longlake, SD 7-Day Night Weather Forecast
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Longlake, SD Weather Forecast
Longlake, SD Weather Forecast Date: 1221 PM CDT Thu Oct 15 2026
The area/counties/county of: Mcpherson, including the city of Eureka.or toggle through each period.
This Afternoon... Cloudy and very windy. Near steady temperature in the mid 40s. Northwest winds 25 to 35 mph with gusts up to 50 mph.
Tonight... Cloudy. A chance of rain showers in the evening. Very windy with lows in the mid 30s. Northwest winds 25 to 35 mph with gusts up to 45 mph. Chance of rain 40%.
Friday... Partly sunny in the morning, then clearing. Breezy with highs in the upper 40s. North winds 20 to 25 mph with gusts up to 35 mph, becoming northwest around 10 mph in the afternoon.
Friday Night... Clear. Lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph.
Saturday... Sunny. Not as cool with highs in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night... Mostly clear. Lows around 40. Highs in the lower 60s.
Sunday... Mostly clear. Lows around 40. Highs in the lower 60s.
Monday... Mostly clear. Lows around 40. Highs in the lower 60s.
Tuesday... Mostly clear. Lows around 40. Highs in the lower 60s.
Tuesday Night... Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.
POP = Probability of Precipitation
Longlake Radar Loop
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