Weather WorldT Lake, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
T Lake, IL Weather Forecast
T Lake, IL Weather Forecast Date: 1227 PM CDT Sun Sep 13 2026
The area/counties/county of: Knox, including the city of Galesburg.or toggle through each period.
This Afternoon... Partly sunny with scattered showers. Cooler with highs in the mid 70s. North winds 5 to 10 mph. Chance of rain 50%.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.
Monday... Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Monday Night... Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Not as cool with lows around 70. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50%.
Tuesday... Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph, becoming northwest 5 to 10 mph in the afternoon. Chance of rain 80%.
Tuesday Night... Showers with a chance of thunderstorms. Lows in the lower 60s. Highs in the mid 70s. Chance of rain 90%.
Wednesday... Showers with a chance of thunderstorms. Lows in the lower 60s. Highs in the mid 70s. Chance of rain 90%.
Wednesday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70%.
Thursday... Mostly cloudy with a chance of showers. Highs around 80. Lows in the mid 60s. Chance of rain 50%.
Friday... Mostly cloudy with a chance of showers. Highs around 80. Lows in the mid 60s. Chance of rain 50%.
Friday Night... Mostly cloudy. A 50% chance of showers. Lows around 60. Highs in the mid 70s.
POP = Probability of Precipitation
T Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...