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Buffalo, IL 7-Day Night Weather Forecast
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Buffalo, IL Weather Forecast
Buffalo, IL Weather Forecast Date: 1237 PM CDT Sat Sep 05 2026
The area/counties/county of: Sangamon, including the city of Springfield.or toggle through each period.
This Afternoon... Sunny, hot. Near steady temperature in the mid 90s. North winds 5 to 10 mph. Heat index values up to 106.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph.
Sunday... Mostly sunny. Not as warm with highs in the upper 80s. East winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows in the lower 60s. East winds 5 to 10 mph.
Labor Day... Sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Monday Night... Mostly clear. Hot. Lows in the lower 60s. Highs in the mid 90s.
Tuesday... Mostly clear. Hot. Lows in the lower 60s. Highs in the mid 90s.
Tuesday Night... Mostly clear. Not as cool with lows in the mid 70s.
Wednesday... Mostly sunny. Hot with highs in the upper 90s.
Wednesday Night... Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40%.
Thursday... Mostly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 40%.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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