Marion, SD Weather Forecast
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Marion Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Showers | Showers | Showers | Showers | Mostly Cloudy | Chance of Showers | Mostly Sunny | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C |
| POP: 40% | POP: 70% | POP: 70% | POP: 80% | POP: 100% | POP: 100% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1214 PM CDT Fri Oct 23 2026 

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Issued: 1229 PM CDT Fri Oct 23 2026
Key Messages
- HIGH FIRE DANGER TODAY: Strong wind gusts of 30 to 45 mph combined with warm temperatures will create high fire danger. Agricultural harvest activities will have the greatest risks into the evening.
- COOLER WITH SCATTERED WEEKEND RAIN: A slow-moving front will bring increased clouds and occasional rain this weekend. Temperatures will be notably cooler (40s/50s) by Sunday.
- SIGNIFICANT RAINFALL LIKELY MONDAY-TUESDAY: A large multi-day system will bring widespread rain to start the new w...
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