Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

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Have you ever wondered what the forecast means when we say a 30% chance of rain. The image below attempts to quantify how reliable those forecasts have been so far this calendar year here at National Weather Service Louisville.

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Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

How Reliable Have Our Probability of Precipitation Forecasts Been So Far This Year?