Janssen, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Janssen Weather Forecast


Janssen, IL Weather Forecast Date: 1046 PM CST Mon Nov 02 2026
Weather forecast for Janssen, IL
| Tonight Lo: 60°F Lo: 16°C |
Tonight... Cloudy with a slight chance of thunderstorms. Showers likely late this evening, then a chance of showers. Near steady temperature in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70%. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Showers with a slight chance of thunderstorms. Highs in the upper 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100%. |
| Wed Hi: 59°FHi: 15°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60%. |
| Thu Hi: 55°FHi: 13°C Lo: 40°F Lo: 4°C |
Thursday... Mostly cloudy with a 40% chance of showers. Highs in the mid 50s. |
| Fri Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Friday... Mostly cloudy. Lows around 40. Highs in the lower 50s. |
| Sat Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Saturday... Mostly sunny. Highs in the lower 50s. |
| Sun Hi: 59°FHi: 15°C Lo: 35°F Lo: 2°C |
Sunday... Partly cloudy. Highs in the upper 50s. Lows in the mid 30s. |
| Mon Hi: 59°FHi: 15°C Lo: 35°F Lo: 2°C |
Monday... Partly cloudy. Highs in the upper 50s. Lows in the mid 30s. |
Janssen Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World