Weather Alerts

During times of severe weather, the National Weather Service uses a variety of notifications to alert residents to potentially hazardous conditions, but the two main tools that they use are watches and warnings. NBC 5 Chief Meteorologist Brant Miller explains the difference between the two.

Experts call it “warning fatigue,” and no one can be sure what role it might have played in a tragedy that killed at least 49 people when the remnants of Hurricane Ida swept through the northeast

NBC’s Sky 5 flew over the Sycamore area impacted by Monday night’s tornado to get an overhead view of the damage caused by the severe weather.

Swimmers were warned to stay out of Lake Michigan Monday as 3- to 6-foot waves and dangerous currents were expected off the beaches in northern and central Cook County and Lake and Porter counties in northwest Indiana, the National Weather Service said.

Tens of thousands of ComEd customers lost power Thursday evening after a series of strong thunderstorms ripped through the Chicago area, bringing down trees in several communities. According to the ComEd outage map, more than 30,000 customers throughout Northern Illinois were without power at around 9 p.m. According to the utility, 13,458 customers were without power in suburban Kane County…

When will snow start falling and how long will it last in the Chicago area? Here’s a look at timing of the upcoming winter storm and what you can expect: A winter storm watch has been issued for parts of northern Illinois Tuesday afternoon and evening and continuing through Wednesday afternoon. According to the National Weather Service, the watch...

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The Chicago area could see its biggest snowfall of the season this week as a storm nears. A winter storm watch has been issued for parts of northern Illinois beginning Tuesday morning and continuing through Wednesday afternoon. According to the National Weather Service, the watch initially included Lake, Kane, DuPage, Cook, LaSalle, Kendall, Grundy, Will and Kankakee counties in Illinois….

Cloudy, Breezy and Cooler With Showers

A winter storm watch has been issued for parts of northern Illinois, as snowfall totals in excess of six inches are possible. According to the National Weather Service, the watch will include McHenry, Lake, DeKalb, and Kane counties, and will go into effect on Tuesday morning. Kenosha County in southeastern Wisconsin is also included in the watch. Travel is expected…

NBC 5’s Pete Sack has the latest weekend weather forecast.