Shumway Grade School, IL Weather Forecast
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Shumway Grade School Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Patchy Fog | Patchy Fog | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Sunny | Clear | Clear | Mostly Clear | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 128 AM CDT Mon Aug 24 2026 

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Shumway Grade School Forecast Discussion
Issued: 243 AM CDT Mon Aug 24 2026
Key Messages
- Seasonal and mostly dry weather is expected through Tuesday.
- The next chance for showers and storms arrives Wednesday. Some of these storms could be strong to marginally severe.
Discussion
... Issued at 243 AM CDT Mon Aug 24 2026
Upper analysis has the middle Mississippi Valley positioned under northwest flow with strong upper ridging over the southwest US and a closed low impacting the northeast US. Surface high pressure over central IL early this morning has kept skies mostly clear an...
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