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Cornwall School Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Cloudy | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Hi: 55°FHi: 13°C Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C Lo: 39°FLo: 4°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C |
| POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 117 AM CDT Mon Oct 12 2026 
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Issued: 218 AM CDT Mon Oct 12 2026
Key Messages
- Areas of fog are in place over northeastern South Dakota and western Minnesota this morning. Some fog may be dense, with visibilities down to a quarter of a mile or lower at times. A Dense Fog Advisory is in effect through 1 PM CDT today.
- Cooler temperatures will persist in the coming days. Expect highs in the mid 50s to upper 60s through at least the middle of the week. Overnight lows may drop below freezing Wednesday and Friday mornings.
- Some light showers move overhead today. Gene...