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Olson, IL 7-Day Weather Forecast
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Olson Weather Forecast
Olson, IL Weather Forecast Date: 856 AM CDT Sun Sep 13 2026
Weather forecast for Olson, IL
Today Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Today... Partly cloudy in the morning, then becoming mostly cloudy. Isolated showers late in the morning. Scattered showers early in the afternoon. Highs in the upper 60s. North winds 5 to 10 mph. Chance of precipitation 40%. |
| Mon Hi: 71°FHi: 22°C Lo: 65°F Lo: 18°C |
Monday... Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers in the afternoon. Highs in the lower 70s. East winds 10 to 15 mph, becoming south with gusts up to 25 mph in the afternoon. Chance of precipitation 20%. |
Tue Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly cloudy. Showers in the morning. A slight chance of thunderstorms. A chance of showers in the afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. Chance of precipitation 80%. |
| Wed Hi: 71°FHi: 22°C Lo: 60°F Lo: 16°C |
Wednesday... Showers likely with a slight chance of thunderstorms. Highs in the lower 70s. Chance of precipitation 60%. |
Thu Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Thursday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 70s. Chance of precipitation 70%. |
| Fri Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy with a chance of showers. Highs in the mid 70s. Chance of precipitation 50%. |
| Sat Hi: 71°FHi: 22°C |
Saturday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s. |
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