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City of Cornell, WICornell, WI Weather Forecast
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Cornell Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | | |  |  | |  | |  |  |
| Patchy Fog | Increasing Clouds | Clearing | Patchy Fog | Patchy Fog | Chance of Showers | Chance of Showers | Showers Likely | Chance of T-Storm | Chance of Showers | Mostly Sunny | Partly Cloudy |
| Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 40% | POP: 40% | POP: 70% | POP: 80% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 718 AM CDT Fri Sep 04 2026 
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Issued: 632 AM CDT Fri Sep 4 2026
Key Messages
- Hot & humid today into saturday with heat index values of 95-100 possible. Heat Advisory in effect for Twin Cities metro during the afternoon.
- Frequent chances for scattered showers & thunderstorms into next week.
Discussion
... Issued at 352 AM CDT Fri Sep 4 2026
Heat and humidity are the main weather concern for today, with widespread heat indices in the 90s expected this afternoon. A pool of dewpoints in the low 70s remain across much of the southern half of MN and western WI, howeve...