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City of Plano, IllinoisPlano, IL 7-Day Weather Forecast
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Plano Weather Forecast
Plano, IL Weather Forecast Date: 156 PM CDT Thu Sep 03 2026
Weather forecast for Plano, IL
Today Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
This Afternoon... Partly cloudy. A slight chance of showers and thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Hot. Highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of precipitation 30%. Heat index values up to 102. |
Fri Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Friday... Partly cloudy in the morning, then becoming mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 102. |
| Sat Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Saturday... Partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. Northeast winds 5 to 10 mph. Chance of precipitation 20%. |
| Sun Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 80s. |
| Labor Day Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Labor Day... Partly cloudy. Highs in the lower 80s. |
| Tue Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Tuesday... Partly cloudy. Highs in the upper 80s. |
| Wed Hi: 90°FHi: 32°C |
Wednesday... Partly cloudy. Highs around 90. |
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