Another space jellyfish could glow in the sky Monday night. See the viewing forecast for Los Angeles, Las Vegas, Salt Lake City, Arizona and more.

Kayakers and drivers attempted to navigate the flooded streets of Marin County, California, during king tides on Thursday.

A powerful storm system recently brought severe flooding to southwestern Colorado, resulting in one highway completely ...

Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.com ...

Air Quality gives information using weather conditions, pollutants, and research from The Weather Channel and weather.com ...

Cold and Flu Forecast provides predicted flu risk levels over the next 15 days in your area, historic trends in positive flu cases, flu strain prevalence, and in-depth information on how to stay safe, ...

Major flooding and severe storms peak Sunday across the Four Corners. Life threatening flooding, damaging winds, heavy rain ...

After flooding last week, an unusually moist weather system will soak the Desert Southwest and Southern California over the ...

Fall has arrived, and the leaves are changing color. Here's how things look in your area and where colors are peaking.

Get the Halloween weekend tailgate forecast for NFL Sunday, with spooky weather, rain chances and temperatures clashing for ...

How well have you been paying attention to the weather this week? Here are five questions that will test your knowledge of ...

Wander the world one snapshot at a time. Explore striking moments of weather in motion across the globe in this week's ...