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Ina, IL 7-Day Night Weather Forecast
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Ina, IL Weather Forecast
Ina, IL Weather Forecast Date: 147 PM CDT Fri Sep 18 2026
The area/counties/county of: Jefferson, including the city of Mount Vernon.or toggle through each period.
This Afternoon... Sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the upper 90s. Southwest winds around 5 mph. Chance of rain 20%. Highest heat index readings heat index readings up to 105.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20%.
Saturday... Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows in the lower 70s. South winds around 5 mph.
Sunday... Mostly sunny. Hot with highs in the mid 90s. West winds 5 to 10 mph.
Sunday Night... Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 40%.
Monday... Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 50%.
Monday Night... Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 50%.
Tuesday... Partly sunny. Highs in the mid 70s.
Tuesday Night... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Wednesday... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
POP = Probability of Precipitation
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