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River Swale, IL 7-Day Night Weather Forecast
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River Swale, IL Weather Forecast
River Swale, IL Weather Forecast Date: 157 AM CDT Thu Oct 15 2026
The area/counties/county of: Mason, including the city of Havana.or toggle through each period.
Rest of Tonight... Cloudy with a 20% chance of showers. Near steady temperature in the lower 60s. East winds 5 to 10 mph with gusts up to 20 mph.
Thursday... Showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. East winds around 5 mph, becoming south with gusts up to 20 mph in the afternoon. Chance of rain near 100%.
Thursday Night... Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening. Cooler with lows in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70%.
Friday... Mostly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Much cooler with highs in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 40%.
Friday Night... Partly cloudy in the evening, then clearing. Areas of frost after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Saturday... Clear. Areas of frost in the morning. Areas of frost after midnight. Highs in the upper 50s. Lows in the mid 30s.
Saturday Night... Clear. Areas of frost in the morning. Areas of frost after midnight. Highs in the upper 50s. Lows in the mid 30s.
Sunday... Areas of frost in the morning. Sunny. Not as cool with highs in the upper 60s.
Sunday Night... Mostly clear. Lows in the upper 30s.
Monday... Partly cloudy. Highs in the lower 70s. Lows in the lower 40s.
Monday Night... Partly cloudy. Highs in the lower 70s. Lows in the lower 40s.
Tuesday... Mostly clear. Highs in the mid 70s. Lows in the mid 40s.
POP = Probability of Precipitation
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