Marcus, SD Weather Forecast
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Marcus Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of Showers | Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Chance of Rain | Partly Cloudy | Chance of Rain | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 AM MDT Wed Oct 28 2026 

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Issued: 459 AM MDT Wed Oct 28 2026
Key Messages
- Dry, mild, and occasionally breezy for the rest of the week.
- Next organized chance of precipitation arrives Sunday night and Monday.
Discussion
...(This Afternoon Through Monday) Issued at 1036 AM MDT Tue Oct 27 2026
Mean upper troughing over the PAC NW and western Canada will support general SW flow through the remainder week with weak impulses traversing the flow. Expect mainly dry weather weather as these systems fight very dry low levels, although a few sprinkles may be possible as ...
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