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Blair, IL 7-Day Weather Forecast
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Blair Weather Forecast
Blair, IL Weather Forecast Date: 253 AM CDT Wed Sep 16 2026
Weather forecast for Blair, IL
Today Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Today... Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. South winds around 5 mph. Chance of rain 20%. Heat index values up to 106. |
Thu Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Thursday... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 107. |
| Fri Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Friday... Sunny, hot with highs in the mid 90s. East winds around 5 mph, becoming south in the afternoon. Heat index values up to 105. |
| Sat Hi: 99°FHi: 37°C Lo: 69°F Lo: 21°C |
Saturday... Mostly sunny. Hot with highs in the upper 90s. |
Sun Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
Sunday... Partly cloudy. A 20% chance of showers. Highs in the mid 90s. Lows in the upper 60s. |
| Mon Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Monday... Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. |
Tue Hi: 85°FHi: 29°C |
Tuesday... Mostly sunny with a 30% chance of showers. Highs in the mid 80s. |
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