Weather World
Bison Park, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Bison Park Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | |  | | |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Showers Likely | Chance of Showers |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C |
| POP: 70% | POP: 90% | POP: 40% | POP: 40% | POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 40% | POP: 60% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 120 AM CDT Tue Sep 15 2026 
Bison Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Bison Park Weather Map
Bison Park Quick Facts
Bison Park Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1253 AM CDT Tue Sep 15 2026
Key Messages
- Waves of showers and storms are expected in the general region tonight through much of the week.
- While some areas may not see much rain at all, others may experience repeated downpours with a threat for localized flooding.
- The next few days will also be marked by high humidity.
- A gradual pattern change toward cooler, less humid, and drier conditions is favored by next week.
Discussion
... Issued at 129 PM CDT Mon Sep 14 2026
A 1024mb surface high pressure system continues to move throug...