
Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >
Boise, ID
Weather Forecast Office
| Hail Diameter Size (Inches) |
Description |
| 1/4 | Pea Size |
| 1/2 | Mothball, peanut, USB Plug |
| 3/4 | Penny Size |
| 7/8 | Nickel Size |
| 1 | Quarter Size |
| 1 1/4 | Half Dollar Size |
| 1 1/2 | Ping Pong Ball Size |
| 1 3/4 | Golf Ball Size |
| 2 | Lime or medium sized Hen Egg |
| 2 1/2 | Tennis Ball Size |
| 2 3/4 | Baseball Size |
| 3 | Large Apple |
| 4 | Softball |
| 4 1/2 | Grapefruit |
| > 4 1/2 | Probably a record sized hailstone for Idaho or Oregon Freeze it, Measure it, Notify the NWS. |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Boise, ID
National Interagency Fire Center
3833 S. Development Ave., Bldg 3807
Boise, ID 83705-5354
(208) 334-9860
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