Old Camp, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Old Camp Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C |
| POP: 40% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 757 AM CDT Sun Sep 20 2026 

Old Camp Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Old Camp Weather Map
Old Camp Quick Facts
Old Camp Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 632 AM CDT Sun Sep 20 2026
Key Messages
- The Heat Advisory remains in effect until early this evening, with high temperatures again reaching the middle to upper 90s this afternoon.
- A cold front will move through our region late today and tonight, allowing much cooler air to gradually filter into our region for the beginning of the work week.
- Temperatures by Tuesday into Tuesday night will be near to a little below seasonal normals, with these conditions persisting the rest of the week and into next weekend.
- 30-60% chances o...
Weather World