Weather World
Dewey, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Dewey Weather Forecast
Dewey, IL Weather Forecast Date: 112 AM CDT Mon Sep 21 2026
Weather forecast for Dewey, IL
Tonight Lo: 60°F Lo: 16°C |
Tonight... Cloudy with a chance of showers with a slight chance of thunderstorms. Near steady temperature in the lower 60s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50%. |
Mon Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Monday... Mostly cloudy. A slight chance of showers in the morning. Cooler with highs in the upper 60s. Northeast winds 10 to 15 mph. Chance of rain 20%. |
Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Partly sunny. Highs in the upper 60s. Northeast winds 10 to 15 mph. |
Wed Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Wednesday... Partly cloudy. Highs in the upper 60s. Lows in the lower 50s. |
| Thu Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Thursday... Mostly cloudy. Highs in the lower 70s. Lows in the lower 50s. |
| Fri Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Friday... Partly cloudy. Highs in the lower 70s. Lows around 50. |
| Sat Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Saturday... Partly sunny. Highs in the mid 70s. |
Dewey Radar Loop
Use the map search tool if you want to place a location marker on the radar map...