Weather Stories

Ragweed can wreak havoc on a person’s allergies. And there are some spots where conditions are more ideal for ragweed growth in our area. Meteorologist and high school science teacher Ryan Miller explains in this week’s Science 4 Everyone.

Tracking tornado watches and warnings, plus flooding, heavy rain and other effects of what’s left of Tropical Storm Debby.

Here’s what we know so far about the storm’s timing, how much rainfall to expect and what the region is doing to prepare.

The heat island effect causes urbanized areas of DC, Maryland, and Virginia to feel hotter than rural areas. Take a look to the interactive map.

While the track of the storm is still uncertain, it’s possible Debby could bring heavy rain, flooding, strong winds and storm surge to Virginia.

The storms will likely reach the area about 7 to 8 p.m., bringing pockets of heavy rain. The biggest risk with the expected storms will be damaging wind, which could topple trees and lead to power outages. Hail is possible, and while the risk of tornadoes is low, don’t underestimate the level of damage that strong winds could bring, Storm......

Feels-like temperatures surpassed 100° in the D.C. area Wednesday afternoon amid poor air quality in the region. Storm Team4 Meteorologist Chuck Bell said it’s important to stay weather alert during the sweletering heat. Wear light, loose-fitting clothing, drink plenty of water and limit time outdoors, especially if you’re doing strenuo...

Check your air quality forecast in Washington, D.C., Maryland and Virginia, plus see safety tips.

Tropical Storm Debby’s remnants brings heavy rain along with a threat of a tornado watch Thursday and Friday.

What’s left of Tropical Storm Debby could bring downpours to the D.C. area. News4’s Joseph Olmo has tips to help you prepare.

Four consecutive days of 100-degree temperatures and a lack of rain have created dangerous conditions. News4’s Dominique Moody explains why trees are toppling with devastating consequences.

Scorching heat and humidity is dangerous for our physical health — but it can also impact mental health. News4’s Juliana Valencia reports.

An excessive heat warning is in effect for the D.C. area on Tuesday with isolated rain chances.