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Flagg Weather Forecast
Flagg, IL Weather Forecast Date: 120 AM CDT Sun Sep 06 2026
Weather forecast for Flagg, IL
Tonight Lo: 61°F Lo: 16°C |
Tonight... Mostly cloudy. Lows in the lower 60s. Northeast winds around 5 mph. |
Sun Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Sunday... Partly cloudy. Highs in the lower 80s. East winds 5 to 10 mph. |
Labor Day Hi: 80°FHi: 27°C Lo: 60°F Lo: 16°C |
Labor Day... Mostly sunny. Highs around 80. Southeast winds 5 to 10 mph. |
| Tue Hi: 85°FHi: 29°C Lo: 71°F Lo: 22°C |
Tuesday... Partly cloudy. Highs in the mid 80s. |
Wed Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Wednesday... Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the mid 80s. Chance of precipitation 20%. |
| Thu Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Partly cloudy in the morning, then clearing. Highs around 80. |
| Fri Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. Highs in the lower 80s. |
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