5-day weather forecast for Summit Argo, Illinois
Today
58°
73°
Increasing Clouds
Monday
53°
68°
Rain
Tuesday
49°
66°
Partly Cloudy
Wednesday
59°
73°
Chance Thunderstorms
Thursday
61°
79°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Chicago, Illinois
| Accuweather | 78.76% |
| The Weather Channel | 78.44% |
| Intellicast | 78.15% |
| NWS Digital Forecast | 77.38% |
| MyForecast | 76.49% |
| National Weather Service | 75.28% |
| The Weather Channel | 72.07% |
| Intellicast | 71.80% |
| National Weather Service | 70.94% |
| NWS Digital Forecast | 69.99% |
| MyForecast | 69.60% |
| Accuweather | 67.94% |
ForecastAdvisor Fact
It rained 77% of the time in Chicago last month when Accuweather's text forecasts called for precipitation, and 14% of the time when they did not.