Mason, SD 7-Day Weather Forecast
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Mason Weather Forecast


Mason, SD Weather Forecast Date: 957 PM MDT Fri Oct 30 2026
Weather forecast for Mason, SD
| Tonight Lo: 45°F Lo: 7°C |
Tonight... Mostly cloudy. Patchy fog this evening, then areas of fog. Near steady temperature in the mid 40s. East winds 10 to 15 mph. Gusts up to 30 mph this evening. |
| Sat Hi: 69°FHi: 21°C Lo: 41°F Lo: 5°C |
Saturday... Widespread fog in the morning. Mostly cloudy. Not as cool with highs in the upper 60s. Southeast winds 10 to 20 mph with gusts up to 30 mph. |
| Sun Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Sunday... Mostly cloudy. Highs in the lower 60s. Northwest winds 5 to 10 mph, becoming southeast 10 to 15 mph with gusts up to 35 mph in the afternoon. |
| Mon Hi: 51°FHi: 11°C Lo: 40°F Lo: 4°C |
Monday... Rain, windy with highs in the lower 50s. Chance of rain 90%. |
| Tue Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Tuesday... Partly cloudy in the morning, then clearing. Breezy with highs in the lower 50s. |
| Wed Hi: 51°FHi: 11°C Lo: 31°F Lo: -1°C |
Wednesday... Mostly sunny. Highs in the lower 50s. |
| Thu Hi: 50°FHi: 10°C Lo: 35°F Lo: 2°C |
Thursday... Partly cloudy. Highs around 50. |
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