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Marshy Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Clearing | Mostly Sunny | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 70% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 332 AM CDT Sat Aug 15 2026 
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Marshy Lake Forecast Discussion
Issued: 153 AM CDT Sat Aug 15 2026
Key Messages
- Patchy to areas of fog will continue through the mid/late morning mainly James Valley and eastward.
- Scattered showers and weak thunderstorms will be possible through the afternoon mainly over portions of south central through northeastern SD and west central MN ahead and along a cold front. No severe weather is anticipated, however, heavy rainfall is possible.
- Average to slightly below...