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Olney, IL 7-Day Night Weather Forecast
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Olney, IL Weather Forecast
Olney, IL Weather Forecast Date: 1102 PM CST Tue Mar 03 2026
The area/counties/county of: Richland, including the city of Olney.or toggle through each period.
Rest of Tonight... Cloudy. A slight chance of showers and thunderstorms late this evening, then showers likely with a chance of thunderstorms. Patchy fog. Not as cool. Near steady temperature in the lower 50s. Northeast winds around 5 mph. Chance of rain 70%.
Wednesday... A chance of thunderstorms. Rain. Highs in the mid 60s. Southeast winds 5 to 10 mph, becoming south in the afternoon. Chance of rain near 100%.
Wednesday Night... A chance of thunderstorms. Rain. Lows in the upper 50s. South winds 5 to 10 mph. Chance of rain near 100%.
Thursday... Rain in the morning, then showers likely in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain near 100%.
Thursday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. South winds 5 to 10 mph. Chance of rain 60%.
Friday... Partly sunny. A chance of showers and thunderstorms in the morning. Not as cool with highs in the upper 70s. Chance of rain 40%.
Friday Night... Mostly cloudy. Showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 70%.
Saturday... Mostly cloudy. Showers, mainly in the morning. Highs in the upper 60s. Chance of rain 90%.
Saturday Night... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Sunday... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Monday... Sunny. Highs in the lower 70s.
Monday Night... Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 30%.
POP = Probability of Precipitation
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