Lucas, SD 7-Day Weather Forecast
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Lucas Weather Forecast


Lucas, SD Weather Forecast Date: 449 PM CDT Sat Sep 12 2026
Weather forecast for Lucas, SD
| Tonight Lo: 55°F Lo: 13°C |
Tonight... Partly cloudy this evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 50s. East winds around 5 mph. Chance of rain 50%. |
| Sun Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Sunday... Mostly cloudy with a 40% chance of showers. Highs in the upper 60s. East winds 15 to 20 mph with gusts up to 30 mph. |
| Mon Hi: 81°FHi: 27°C Lo: 51°F Lo: 11°C |
Monday... Showers with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Breezy, warmer with highs in the lower 80s. Southeast winds 20 to 25 mph, becoming southwest 15 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of rain near 100%. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly sunny. Not as warm with highs in the upper 60s. |
| Wed Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 30%. |
| Thu Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs around 70. |
| Fri Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... A chance of showers in the morning. Partly sunny. Highs around 70. Chance of rain 40%. |
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