Weather World
City of Marseilles, ILMarseilles, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Marseilles, IL Weather Forecast
Marseilles, IL Weather Forecast Date: 121 AM CDT Sun Oct 04 2026
The area/counties/county of: La Salle, including the cities of: Ottawa, Streator, La Salle, Mendota, and Marseilles.or toggle through each period.
Rest of Tonight... Mostly clear. Near steady temperature in the lower 50s. Southwest winds around 5 mph.
Sunday... Sunny. Highs in the lower 70s. West winds 5 to 10 mph, increasing to northwest 10 to 15 mph in the afternoon.
Sunday Night... Clear. Lows in the mid 40s. Northwest winds around 5 mph.
Monday... Sunny. Highs in the upper 60s. Northeast winds around 5 mph in the morning, becoming light and variable.
Monday Night... Clear. Lows in the mid 40s. Southeast winds around 5 mph.
Tuesday... Sunny. Highs in the lower 70s.
Tuesday Night... Mostly clear. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs in the mid 70s.
Wednesday Night... Mostly clear. Lows in the upper 40s.
Thursday... Mostly sunny. Highs in the lower 70s.
Thursday Night... Partly cloudy. Lows in the lower 50s.
Friday... Mostly sunny. Highs in the lower 70s.
Friday Night... Mostly clear. Lows in the lower 50s.
POP = Probability of Precipitation
Marseilles Radar Loop
Use the map search tool if you want to place a location marker on the radar map...