Techny, IL 7-Day Weather Forecast
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Techny Weather Forecast


Techny, IL Weather Forecast Date: 1025 AM CDT Fri Sep 04 2026
Weather forecast for Techny, IL
| Today Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Rest of Today... Mostly cloudy late in the morning then clearing. A slight chance of thunderstorms with isolated showers late in the morning. Hot. Highs in the lower 90s. Northeast winds 10 to 15 mph, becoming southwest in the afternoon. Chance of precipitation 20%. Heat index values up to 102 in the afternoon. |
| Sat Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Saturday... Partly cloudy in the morning, then becoming mostly cloudy. Humid with highs in the mid 80s inland, but only in the upper 70s near the lake. North winds 5 to 10 mph. |
| Sun Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy. Highs in the lower 80s inland, but only in the upper 70s near the lake. East winds 5 to 10 mph. |
| Labor Day Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Labor Day... Partly cloudy. Highs in the lower 80s inland, but only in the upper 70s near the lake. |
| Tue Hi: 85°FHi: 29°C Lo: 71°F Lo: 22°C |
Tuesday... Mostly cloudy. Highs in the mid 80s. |
| Wed Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly cloudy. Highs in the upper 80s. |
| Thu Hi: 81°FHi: 27°C |
Thursday... Mostly cloudy. Highs in the lower 80s. |
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