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McPherson County, SD Weather Forecast
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McPherson County Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | |  |  | | | | | |
| Mostly Cloudy | Partly Sunny | Chance of Showers | Windy | Windy | Mostly Sunny | Clear | Clear | Mostly Clear | Partly Sunny | Mostly Clear | Mostly Clear |
| Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Hi: 69°FHi: 21°C Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C Lo: 35°FLo: 2°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1107 PM CDT Tue Oct 13 2026 
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Issued: 630 PM CDT Tue Oct 13 2026
Key Messages
- Overnight lows could drop below the freezing mark through this week, mainly early Wednesday morning and early Friday morning. Areas that don`t get to freezing may still see frost development. Frost/Freeze headlines have been posted for late tonight into Wednesday morning mainly for central and north central South Dakota.
- Rain will be possible Wednesday night into Thursday, mainly over central and east central South Dakota. Along and south of U.S. Highway 14, there is a 50-70% chance ...