
Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >
Central Illinois
Weather Forecast Office
Hail Size Estimation Chart
| Hail Diameter | Description |
| 1/4" | Pea |
| 1/2" | Plain M&M |
| 3/4" | Penny |
| 7/8" | Nickel |
| 1" | Quarter |
| 1 1/4" | Half Dollar |
| 1 1/2" | Ping Pong Ball |
| 1 3/4" | Golfball |
| 2" | Hen Egg |
| 2 1/2" | Tennis Ball |
| 2 3/4" | Baseball |
| 3" | Teacup |
| 4" | Grapefruit |
| 4 1/2" | Softball |
*Red values denote severe criteria hail
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Central Illinois
1362 State Route 10
Lincoln, IL 62656
217-732-7321 (forecast recording) or 217-732-3089
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