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KOA Campground, SD Weather Forecast
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KOA Campground Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  | | | |  | | |  |  |
| Chance of T-Storm | Patchy Drizzle | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Showers | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C |
| POP: 100% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 639 PM CDT Fri Sep 25 2026 
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Issued: 835 PM CDT Fri Sep 25 2026
Key Messages
- Rain chances increase through the night tonight, with very isolated thunderstorms and pockets of moderate rainfall expected especially near and east of I-29.
- A few more showers and thunderstorms may redevelop over northwest Iowa Saturday evening and early overnight. Severe weather is not expected, but brief heavy downpours can be expected if a thunderstorm develops.
- Daytime temperatures remain below normal, but should climb closer to normal tomorrow for areas west of the James River,...