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Sidney Weather Forecast
Sidney, IL Weather Forecast Date: 337 AM CDT Sun Sep 13 2026
Weather forecast for Sidney, IL
Today Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Today... Partly sunny. A slight chance of showers and thunderstorms this afternoon. Highs around 80. North winds around 5 mph, increasing to 10 to 15 mph this afternoon. Chance of rain 20%. |
Mon Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Monday... Mostly sunny. Highs in the upper 70s. East winds 10 to 15 mph. |
| Tue Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Warmer. More humid with highs in the lower 90s. South winds 10 to 15 mph, becoming southwest in the afternoon. Chance of rain 50%. Heat index values up to 102 in the afternoon. |
| Wed Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Wednesday... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 70%. |
| Thu Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Thursday... Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%. |
Fri Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Friday... Partly cloudy. A 40% chance of showers. Highs in the mid 80s. Lows in the lower 60s. |
Sat Hi: 80°FHi: 27°C |
Saturday... Mostly sunny with a chance of showers. Highs around 80. Chance of rain 40%. |
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