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Capital, IL Weather Forecast
Capital, IL Weather Forecast Date: 437 AM CDT Sun Sep 27 2026
The area/counties/county of: Sangamon, including the city of Springfield.or toggle through each period.
Today... Mostly cloudy this morning, then becoming partly sunny. Highs in the mid 70s. East winds around 5 mph, becoming north this afternoon.
Tonight... Partly cloudy in the evening, then clearing. Lows in the lower 50s. Northeast winds around 5 mph.
Monday... Sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Monday Night... Mostly clear. Lows in the lower 50s. East winds around 5 mph.
Tuesday... Mostly sunny. Highs around 80. Southeast winds around 5 mph.
Tuesday Night... Mostly cloudy. Not as cool with lows in the mid 60s.
Wednesday... Mostly cloudy with a chance of showers. Highs around 80. Lows in the mid 60s. Chance of rain 50%.
Wednesday Night... Mostly cloudy with a chance of showers. Highs around 80. Lows in the mid 60s. Chance of rain 50%.
Thursday... Showers likely. Highs in the upper 70s. Chance of rain 70%.
Thursday Night... Showers likely. Lows in the lower 60s. Chance of rain 70%.
Friday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Highs in the lower 70s. Chance of rain 50%.
Friday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
Capital Radar Loop
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