Weather World
Round Knob, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Round Knob Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  |  | | | | |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Sunny | Chance of Showers | Chance of Showers |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C |
| POP: 70% | POP: 70% | POP: 30% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 AM CDT Thu Sep 10 2026 
Round Knob Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Round Knob Weather Map
Round Knob Quick Facts
Round Knob Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1254 PM CDT Thu Sep 10 2026
Key Messages
- 50-95% chances of showers and thunderstorms can be expected today, with the highest chances gradually shifting from north to south by this evening.
- 20-50% chances of showers and storms will persist late tonight across southern half of our region, then on Friday across the entire PAH forecast area. Chances will linger into Friday night and Saturday, especially across southwest Indiana and west Kentucky.
- Temperatures will briefly trend downward, with seasonable readings for Friday, the...