Weather WorldMerdian Lake, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Merdian Lake Weather Forecast
Merdian Lake, IL Weather Forecast Date: 437 AM CDT Thu Aug 27 2026
Weather forecast for Merdian Lake, IL
Today Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Today... Sunny. Highs in the lower 80s. North winds around 5 mph. |
| Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Sunny. Highs in the lower 80s. Light and variable winds. |
Sat Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Saturday... Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph. |
Sun Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Sunday... Partly cloudy. Highs in the upper 80s. Lows in the lower 70s. |
| Mon Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Monday... Partly cloudy. Highs in the upper 80s. Lows in the lower 70s. |
| Mon Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Monday... Partly cloudy. Highs in the upper 80s. Lows in the lower 70s. |
Tue Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Tuesday... Partly cloudy with a chance of showers. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 30%. |
| Tue Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Tuesday... Partly cloudy with a chance of showers. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 30%. |
Merdian Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...