Grimes School, IL Weather Forecast
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Grimes School Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Mostly Clear | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy | Chance of Showers | Showers | Showers Likely | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C |
| POP: 50% | POP: 60% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1005 PM CDT Fri Sep 25 2026 

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Issued: 612 PM CDT Fri Sep 25 2026
Key Messages
- Near to slightly below normal temperatures are forecasted over the next several days.
- The next chance for a widespread soaking rainfall won`t come until at least the middle of next week.
Discussion
... Issued at 1244 PM CDT Fri Sep 25 2026
Over the next few days, a deepening coastal low along the northeastern seaboard on the eastern flank of an upper-level ridge over Upper Midwest will reinforce a Rex-like blocking pattern across the Great Lakes. As a result, relatively quiescent condit...
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