Weather World
Optimist Park, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Optimist Park Weather Forecast
Optimist Park, IL Weather Forecast Date: 1136 PM CDT Sat Sep 19 2026
Weather forecast for Optimist Park, IL
Tonight Lo: 70°F Lo: 21°C |
Tonight... A chance of showers and thunderstorms late this evening, then occasional showers and thunderstorms. Patchy fog. Some thunderstorms May produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature around 70. Southeast winds around 5 mph, becoming northeast. Chance of rain near 100%. |
Sun Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Sunday... Patchy fog in the morning. Occasional showers and thunderstorms in the morning, then a chance of showers in the afternoon. Humid. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90%. |
Mon Hi: 61°FHi: 16°C Lo: 55°F Lo: 13°C |
Monday... Showers likely. Highs in the lower 60s. Northeast winds around 15 mph with gusts up to 25 mph. Chance of rain 70%. |
Tue Hi: 61°FHi: 16°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. |
| Wed Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Wednesday... Partly sunny. Highs in the mid 60s. |
| Thu Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy. Highs around 70. Lows in the mid 50s. |
| Fri Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Highs around 70. Lows in the mid 50s. |
| Fri Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Highs around 70. Lows in the mid 50s. |
Optimist Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...