5-day weather forecast for Olney, Illinois
Today
70°
90°
Slight Chance Thunderstorms
Saturday
68°
94°
Mostly sunny
Sunday
72°
96°
Mostly sunny
Monday
74°
93°
Chance Thunderstorms
Tuesday
72°
86°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for Lawrenceville, Illinois
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 7.0° | 6.2° |
| Average change in low temperature day-to-day | 8.0° | 7.4° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 71% | 50% |
| Chance of precip day after a dry day | 30% | 28% |
Weather forecast accuracy for Lawrenceville, Illinois
| National Weather Service | 73.32% |
| The Weather Channel | 72.11% |
| Intellicast | 72.11% |
| CustomWeather | 67.96% |
| AccuWeather | 67.09% |
| NWS Digital Forecast | 65.97% |
| Weather Underground | 65.58% |
| World Weather Online | 53.31% |
| Persistence | 38.58% |
| National Weather Service | 70.34% |
| The Weather Channel | 70.30% |
| Intellicast | 70.14% |
| NWS Digital Forecast | 67.65% |
| CustomWeather | 67.50% |
| AccuWeather | 66.31% |
| Persistence | 43.36% |
ForecastAdvisor Fact
43.2% of Persistence's high temperature forecasts for Lawrenceville were off by more than 10 degrees last month.