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City of Springfield, IllinoisSpringfield, IL 7-Day Night Weather Forecast
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Springfield, IL Weather Forecast
Springfield, IL Weather Forecast Date: 437 PM CDT Sun Aug 30 2026
The area/counties/county of: Sangamon, including the city of Springfield.or toggle through each period.
Tonight... Partly cloudy. Lows in the lower 70s. South winds 5 to 10 mph.
Monday... Mostly sunny. Hot with highs in the mid 90s. South winds around 10 mph. Heat index values up to 101 in the afternoon.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.
Tuesday... Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 105.
Tuesday Night... Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Wednesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s.
Thursday... Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s.
Thursday Night... Partly cloudy. A chance of showers after midnight. Lows in the mid 70s. Chance of rain 30%.
Friday... Mostly clear. Highs in the lower 90s. Lows in the upper 60s.
Saturday... Mostly clear. Highs in the lower 90s. Lows in the upper 60s.
POP = Probability of Precipitation
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