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Irving, IL 7-Day Night Weather Forecast
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Irving, IL Weather Forecast
Irving, IL Weather Forecast Date: 927 AM CDT Fri Sep 04 2026
The area/counties/county of: Montgomery County Il, including the cities of: Litchfield and Vandalia.or toggle through each period.
Rest of Today... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 105.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Heat index values up to 101 early in the evening.
Saturday... Mostly sunny. Isolated showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Northwest winds around 5 mph. Chance of rain 20%. Heat index values up to 105.
Saturday Night... Mostly clear. Isolated showers and thunderstorms in the evening. Lows around 70. Northeast winds around 5 mph. Chance of rain 20%. Heat index values up to 101 early in the evening.
Sunday... Sunny. Highs around 90. Northeast winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows in the mid 60s. Highs in the upper 80s.
Monday... Mostly clear. Lows in the mid 60s. Highs in the upper 80s.
Tuesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105.
Wednesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105.
Wednesday Night... Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 70s. Chance of rain 20%.
POP = Probability of Precipitation
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