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Bluff Lake, IL 7-Day Night Weather Forecast
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Bluff Lake, IL Weather Forecast
Bluff Lake, IL Weather Forecast Date: 1218 AM CDT Thu Sep 17 2026
The area/counties/county of: Union, including the city of Jonesboro.or toggle through each period.
Overnight... Clear. Near steady temperature in the mid 70s. Calm winds.
Thursday... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph.
Thursday Night... Mostly clear. Lows in the lower 70s. Calm winds.
Friday... Sunny, hot with highs in the upper 90s. Calm winds, becoming southwest around 5 mph in the afternoon.
Friday Night... Mostly clear. Lows in the lower 70s. Calm winds, becoming south around 5 mph after midnight.
Saturday... Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s.
Saturday Night... Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s.
Sunday... Partly cloudy. Hot. Highs in the upper 90s. Lows in the lower 70s.
Sunday Night... Partly cloudy. Hot. Highs in the upper 90s. Lows in the lower 70s.
Monday... Mostly sunny. Highs in the lower 90s.
Monday Night... Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the upper 60s. Chance of rain 30%.
Tuesday... Mostly sunny. Highs in the mid 80s.
Tuesday Night... Mostly clear. Lows in the mid 60s. Highs in the mid 80s.
POP = Probability of Precipitation
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