Weather WorldUnion School, SD 7-Day Weather Forecast
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Union School Weather Forecast
Union School, SD Weather Forecast Date: 837 AM MDT Mon Sep 21 2026
Weather forecast for Union School, SD
Today Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Rest of Today... Cloudy. A slight chance of showers this morning. Patchy fog. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%. |
Tue Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Tuesday... Mostly cloudy and breezy. Highs in the mid 60s. Southeast winds 20 to 30 mph with gusts up to 45 mph. |
Wed Hi: 79°FHi: 26°C Lo: 50°F Lo: 10°C |
Wednesday... Mostly cloudy with a chance of showers in the morning, then partly cloudy with showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 60%. |
Thu Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Thursday... Partly cloudy in the morning, then clearing. Highs in the upper 70s. |
| Fri Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Friday... Becoming partly cloudy. Breezy with highs in the upper 70s. |
| Sat Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Saturday... Partly cloudy in the morning, then clearing. Highs in the mid 70s. |
Sun Hi: 71°FHi: 22°C |
Sunday... Partly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30%. |
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