Weather World
Harrell Lake South, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Harrell Lake South Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | | |  |  | | |
| Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Thunderstorms | Thunderstorms | Chance of T-Storm | Chance of T-Storm |
| Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 79°FLo: 26°C | Hi: 91°FHi: 33°C | Hi: 89°FHi: 32°C Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C Lo: 75°FLo: 24°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 60% | POP: 70% | POP: 70% | POP: 50% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 803 AM CDT Sun Aug 09 2026 
Harrell Lake South Radar Loop
Use the map search tool if you want to place a location marker on the radar map...