Arthur, IL 7-Day Weather Forecast
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Arthur Weather Forecast


Arthur, IL Weather Forecast Date: 838 PM CST Tue Mar 03 2026
Weather forecast for Arthur, IL
| Tonight Lo: 40°F Lo: 4°C |
Tonight... Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain 90%. |
| Wed Hi: 55°FHi: 13°C Lo: 50°F Lo: 10°C |
Wednesday... Patchy fog in the morning. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 50s. East winds 5 to 10 mph. Chance of rain 90%. |
| Thu Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Thursday... Mostly cloudy. Showers, mainly in the morning. Not as cool with highs in the mid 60s. Southwest winds 10 to 15 mph. Chance of rain 80%. |
| Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy with showers likely with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Breezy and not as cool with highs in the mid 70s. Chance of rain 60%. |
| Sat Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Saturday... Cloudy with showers likely in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 70%. |
| Sun Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Sunday... Mostly clear. Highs in the lower 60s. Lows in the mid 40s. |
| Mon Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Monday... Sunny. Highs in the lower 70s. |
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