5-day weather forecast for Alsey, Illinois
Today
65°
86°
Chance Thunderstorms
Thursday
69°
87°
Partly Cloudy
Friday
73°
92°
Chance Thunderstorms
Saturday
69°
93°
Chance Thunderstorms
Sunday
65°
87°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Grafton, Illinois
| National Weather Service | 72.87% |
| MyForecast | 69.76% |
| The Weather Channel | 68.42% |
| NWS Digital Forecast | 68.01% |
| Accuweather | 66.08% |
| Intellicast | 48.66% |
| Intellicast | 74.43% |
| The Weather Channel | 74.43% |
| National Weather Service | 73.36% |
| NWS Digital Forecast | 71.72% |
| Accuweather | 71.37% |
| MyForecast | 70.45% |
ForecastAdvisor Fact
63.7% of National Weather Service's low temperature forecasts for Grafton were within 3 degrees of actual temperatures last month.