Why is it that when it's raining, the relative humidity isn't 100%?

The humidity has been critically low over the past few days, generally below 30%. What exactly is relative humidity, and how ...

A viewer asks, if it's raining outside, but the humidity gauge only reads 74%, shouldn't it be 100%? Ray Petelin has the ...

Moisture problems show up everywhere in HVAC systems. Knowing how humidity behaves in air can make troubleshooting ...

Meteorologists are clarifying the difference between dew point and relative humidity as parts of the Southeast brace for a warm, sticky weekend with scattered showers. Dew point measures the actual ...

THE Philippines, whacked by high humidity in the last week of April, has reached dangerous levels in its heat index, from ...

Researchers analyzing 2.46 million ambulance dispatches across 13 Chinese cities found that humidity can intensify the health ...

Breezy winds from the northeast will dominate in the 10-20 mph range, gusts up to 30, which will continue to keep the fire ...

Chicago residents aren't always grateful for the city's erratic weather. But what if it helped the Cubs score fly balls?

A red flag warning has been issued for 31 Florida counties due to critical fire weather conditions. See Jacksonville impacts.

Officials provide updates in the Highway 82 Fire in Brantley County, Ga., and the Railroad Fire in southern Clay County and ...