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Lowell, IL 7-Day Night Weather Forecast
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Lowell, IL Weather Forecast
Lowell, IL Weather Forecast Date: 231 PM CDT Thu Sep 10 2026
The area/counties/county of: La Salle, including the cities of: Ottawa, Streator, La Salle, Mendota, and Marseilles.or toggle through each period.
Late This Afternoon... Partly cloudy. Temperatures in the upper 70s. North winds around 5 mph.
Tonight... Mostly clear. Lows in the mid 50s. East winds around 5 mph.
Friday... Mostly sunny. Highs around 80. Southeast winds around 5 mph.
Friday Night... Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 60s. South winds around 5 mph.
Saturday... Mostly cloudy in the morning, then becoming partly cloudy. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows in the lower 60s. Northwest winds around 5 mph.
Sunday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s.
Sunday Night... Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 20%.
Monday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.
Monday Night... Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40%.
Tuesday... Partly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of precipitation 60%.
Tuesday Night... Showers likely. Lows in the lower 60s. Chance of precipitation 60%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the mid 70s.
Wednesday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 60s.
POP = Probability of Precipitation
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