Heavy rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest. A near-stationary front will bring numerous showers and thunderstorms to much of the Mid-Atlantic and Southeast. Tropical wave (AL94) is likely to become a depression. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. 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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