Weather World
Union Church, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Union Church Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | | |  | | |  | |  |  |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Clearing | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Cloudy |
| Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C |
| POP: 50% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 339 PM CDT Mon Aug 17 2026 
Union Church Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Union Church Weather Map
Union Church Quick Facts
Union Church Forecast Discussion
Issued: 137 PM CDT Mon Aug 17 2026
Key Messages
- Isolated to scattered storms remain possible late afternoon and evening, through development remains very uncertain. Risks of 1-2" hail and 60-70 mph will be possible.
- Greater storm potential arrives very late this evening and more likely overnight, with potential for a few bowing clusters of storms with gusty winds and marginal hail.
- Lingering rain early Tuesday will push the greatest risk of severe storms Tuesday further south. However cooler temperatu...