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Blackhawk, IL 7-Day Night Weather Forecast
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Blackhawk, IL Weather Forecast
Blackhawk, IL Weather Forecast Date: 221 AM CDT Mon Sep 14 2026
The area/counties/county of: Carroll, including the city of Mount Carroll.or toggle through each period.
Today... Mostly sunny, then becoming mostly sunny this morning, then becoming mostly cloudy. Patchy fog after midnight. A chance of showers this afternoon. Highs in the lower 70s. East winds 5 to 10 mph with gusts up to 20 mph, becoming southeast 10 to 15 mph with gusts up to 25 mph this afternoon. Chance of rain 30%.
Tonight... Mostly cloudy. Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Much warmer with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90%.
Tuesday... Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. More humid with highs in the upper 70s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. Chance of rain 90%.
Tuesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. North winds around 5 mph. Chance of rain 50%.
Wednesday... Showers. Highs in the lower 70s. East winds 5 to 10 mph. Chance of rain 90%.
Wednesday Night... A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the lower 60s. Chance of rain 80%.
Thursday... Showers likely in the morning. Highs in the upper 70s. Chance of rain 60%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 40%.
Friday... Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. Highs in the upper 70s. Chance of rain 50%.
Friday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 70%.
Saturday... Showers likely. Highs in the upper 70s. Chance of rain 70%.
Saturday Night... Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
POP = Probability of Precipitation
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