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Hayti Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  |  | | |  |  | |  | |
| Patchy Drizzle | Patchy Fog | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers |
| Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 621 PM CDT Fri Sep 18 2026 
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Issued: 647 PM CDT Fri Sep 18 2026
Key Messages
- Low clouds and fog/drizzle will remain over the region into Saturday morning. Visibility may be reduced to below 1 mile at times tonight, especially in the Prairie Coteau/Glacial Lakes region.
- The next chance for rain will move in over central SD Saturday evening and then spread east over central and portions of northeastern SD Sunday into early Monday morning.
- Temperatures will remain below seasonal normals the next several days before returning to near normal readings the latter ha...