Weather WorldSt. Ignatius College Prep School, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
St. Ignatius College Prep School Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  | | |  |  | | |
| Mostly Clear | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 916 PM CDT Mon Aug 17 2026 
St. Ignatius College Prep School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
St. Ignatius College Prep School Weather Map
St. Ignatius College Prep School Quick Facts
St. Ignatius College Prep School Forecast Discussion
Issued: 625 PM CDT Mon Aug 17 2026
Key Messages
- Threat for severe thunderstorms and flash flooding Tuesday afternoon/night.
Discussion
... Issued at 252 PM CDT Mon Aug 17 2026
While the weather is pleasant and quiet for a change today, attention quickly shifts to Tuesday afternoon and evening as a mid/upper trough digs into the Great Lakes. As this occurs, a belt of enhanced mid and upper level flow will sag southward into the Midwest and steer a series of mid-level impulses right across our area as a su...