Storms that reach G3 strength on the SWPC’s 5-point scale are capable of sending the northern lights as far south as Illinois and Oregon. The SWPC noted, however, that the true strength of the storm ...

If you were up around 1 a.m. ET Thursday, you may have seen the northern lights when activity was high. But through the day ...

A "strong atmospheric river" could bring more rain and mountain snow to the Northwest, according to forecasters.

The snowfall forecasts that make the rounds on social media can be very deceiving. Here's what you need to know.

Kalmaegi was a typhoon in the Philippine Sea Monday afternoon Philippine Time, the Joint Typhoon Warning Center said in its latest advisory. Flash flooding can occur well inland and away from the ...

Hurricane Melissa brought hurricane-force gusts to Bermuda overnight and will weaken as it heads north, the U.S. National ...

An AccuWeather forecast map reveals fair and foul Halloween weather across the country. While forecasters say much of the U.S ...