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Jewett, IL 7-Day Night Weather Forecast
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Jewett, IL Weather Forecast
Jewett, IL Weather Forecast Date: 1037 PM CDT Thu Aug 13 2026
The area/counties/county of: Cumberland, including the city of Greenup.or toggle through each period.
Rest of Tonight... Partly cloudy. A slight chance of showers and thunderstorms. Near steady temperature in the mid 70s. Southeast winds around 5 mph. Chance of rain 20%.
Friday... Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of rain 40%. Heat index values up to 108 in the afternoon.
Friday Night... Mostly clear. Humid with lows in the lower 70s. Southeast winds around 5 mph.
Saturday... Sunny with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 108.
Saturday Night... Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph.
Sunday... Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
Sunday Night... Showers likely with a chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows around 70. Chance of rain 60%.
Monday... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.
Monday Night... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.
Tuesday... Mostly clear. Highs in the mid 80s. Lows in the upper 60s.
Tuesday Night... Mostly clear. Highs in the mid 80s. Lows in the upper 60s.
Wednesday... Mostly sunny. Highs in the upper 80s.
Wednesday Night... Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30%.
POP = Probability of Precipitation
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