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Fish Lake, SD Weather Forecast
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Fish Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | |  | | | |  |  |  |  |
| Windy | Chance of Showers | Mostly Cloudy | Chance of Rain | Chance of Rain | Rain | Rain | Chance of Rain | Chance of Rain | Partly Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C |
| POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 70% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 621 PM CDT Fri Oct 23 2026 
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Issued: 645 PM CDT Fri Oct 23 2026
Key Messages
- Southerly winds gusting between 30-40 mph are in place today, with the strongest winds located over northeastern South Dakota. Strong winds will continue over that area through this evening and into tonight.
- A cold front will move through the region tonight through early Saturday morning. Winds behind will turn northwesterly and increase, with gusts up to 50 miles per hour possible over parts of central and north central South Dakota. A Wind Advisory is in effect for that area from l...