Round Grove, IL Weather Forecast
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Round Grove Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
| Partly Sunny | Partly Cloudy | Partly Sunny | Clearing | Mostly Sunny | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 41°FHi: 5°C | Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 131 PM CST Wed Nov 11 2026 

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Issued: 108 PM CST Wed Nov 11 2026
Key Messages
- A downward trend with temperatures through the weekend followed by another warm up next week.
Aviation
/18Z TAFS THROUGH 18Z THURSDAY/... Issued at 1107 AM CST Wed Nov 11 2026
Rain and TSRA associated with a quick moving system will exit northern Illinois by 22z/11. After 22z/11 winds will turn around to the north or northwest. Potential for areas of MVFR CIGS moving into northeast Iowa around 12z/12 with sprinkles or isolated SHRA.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... ...
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