Stephan, SD Weather Forecast
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Stephan Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of Showers | Partly Cloudy | Partly Sunny | Chance of T-Storm | Showers | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 20% | POP: 100% | POP: 70% | POP: 20% | POP: 30% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 611 AM CDT Wed Sep 16 2026 

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Issued: 641 AM CDT Wed Sep 16 2026
Key Messages
- Southerly winds this morning and early afternoon will gust up to 40 miles per hour over central and north central South Dakota. These winds will be enough to create some elevated fire weather concerns west of the Missouri River today.
- Near-normal temperatures continue today and tomorrow, as highs will be in the low to mid 70s across much of the forecast area. Friday and through the weekend, expect slightly cooler temperatures, with highs generally in the upper 60s to low 70s.
- Heavy r...
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