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Cass County, IL Weather Forecast
Cass County, IL Weather Forecast Date: 838 PM CST Mon Mar 02 2026
The area/counties/county of: Cass, including the city of Beardstown.or toggle through each period.
Rest of Tonight... Cloudy. Rain showers likely. Near steady temperature in the upper 30s. East winds around 5 mph. Chance of rain 70%.
Tuesday... Showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 40s. East winds around 5 mph. Chance of rain 90%.
Tuesday Night... Showers with a chance of thunderstorms. Patchy fog. Lows in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain 90%.
Wednesday... Patchy fog in the morning. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph, becoming southeast in the afternoon. Chance of rain 80%.
Wednesday Night... Showers likely with a chance of thunderstorms in the evening, then showers after midnight. Lows around 50. South winds 5 to 10 mph. Chance of rain 80%.
Thursday... Cloudy in the morning, then becoming partly sunny. Showers likely, mainly in the morning. Highs in the mid 60s. Chance of rain 70%.
Thursday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 40%.
Friday... Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Not as cool with highs in the mid 70s. Chance of rain 70%.
Friday Night... A chance of thunderstorms. Showers. Lows in the mid 50s. Chance of rain 90%.
Saturday... Cloudy. A chance of showers in the morning. Cooler with highs in the mid 60s. Chance of rain 50%.
Saturday Night... Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.
Sunday... Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the mid 40s.
POP = Probability of Precipitation
Cass County Radar Loop
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