Clear Lake, SD Weather Forecast
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Clear Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Showers | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C |
| POP: 90% | POP: 70% | POP: 70% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 421 AM CDT Sat Sep 26 2026 

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Issued: 112 AM CDT Sat Sep 26 2026
Key Messages
- The next round of rain continues this morning across eastern SD. Totals of a couple tenths of an inch are expected around and east of the Sisseton Hills/Prairie Coteau region. Totals up to a tenth of an inch are expected east of the Missouri River.
- Active pattern continues with additional chances for rain arriving Monday and continuing through Tuesday. There is a 70-90% chance to see a half inch or more of rain between the Missouri and James Rivers and north of Hwy 14, with rainfall ...
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