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School of Sts. Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 81°FHi: 27°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C |
| POP: 80% | POP: 30% | POP: 40% | POP: 20% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 646 AM CDT Sun Aug 30 2026 
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Issued: 630 AM CDT Sun Aug 30 2026
Key Messages
- Periodic shower and storms through the early part of the week, though there will ample dry periods.
- Hotter and more humid conditions build through midweek.
Discussion
... Issued at 222 AM CDT Sun Aug 30 2026
As a low level jet (LLJ) increases this morning, as sampled around 40 knots just 2000 ft AGL on the KLOT VAD, it is no surprise that shower coverage is gradually expanding over northern Illinois. PoPs were increased to around 30 to 40 percent chance to match the coverage being obser...