Weather WorldLonglake, SD 7-Day Weather Forecast
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Longlake Weather Forecast
Longlake, SD Weather Forecast Date: 322 PM CDT Tue Oct 13 2026
Weather forecast for Longlake, SD
Tonight Lo: 31°F Lo: -1°C |
Tonight... Mostly cloudy. Widespread frost after midnight. Lows in the lower 30s. Northwest winds 5 to 10 mph. |
Wed Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Wednesday... Widespread frost in the morning. Partly sunny. Highs in the upper 50s. Northwest winds around 5 mph, becoming northeast around 5 mph in the afternoon. |
Thu Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Thursday... Mostly cloudy in the morning, then clearing. Windy with highs in the upper 50s. West winds 15 to 20 mph with gusts up to 30 mph, becoming northwest 20 to 30 mph with gusts up to 45 mph in the afternoon. |
Fri Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Friday... Mostly sunny. Highs in the mid 50s. |
| Sat Hi: 69°FHi: 21°C Lo: 41°F Lo: 5°C |
Saturday... Clear. Lows in the mid 30s. Highs in the upper 60s. |
| Sun Hi: 69°FHi: 21°C Lo: 39°F Lo: 4°C |
Sunday... Partly sunny. Highs in the upper 60s. |
| Mon Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Monday... Mostly clear. Lows in the upper 30s. Highs in the mid 60s. |
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