Flagg, IL Weather Forecast
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Flagg Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Clearing | Patchy Fog | Clearing | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 30°FLo: -1°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 505 AM CST Sat Nov 07 2026 

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Issued: 546 AM CST Sat Nov 7 2026
Key Messages
- Dry conditions and a warming trend will occur this weekend into early next week.
- The next chance for precipitation is forecast mid-late next week and will likely be accompanied by cooler temperatures.
Discussion
... Issued at 213 AM CST Sat Nov 7 2026
An upper low tied to the subtropical jet stream will slowly meander across northern Mexico and Texas over the weekend and into early next week, yielding expansive, persistent ridging across the central CONUS. The polar jet stream will rema...
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