Severe Weather 101: Thunderstorm Basics

A thunderstorm is a rain shower during which you hear thunder. Since thunder comes from lightning, all thunderstorms have lightning.

Rain, Hail and Tornado Hit Parts of Northeast

Rain, hail, gusty winds and a tornado hit parts of the Northeast on Saturday afternoon as a cold front made its way through the area, prompting severe thunderstorm watches and weather warnings.

Severe Thunderstor

COVID-19 - As Ontario reopens, learn about public health and workplace safety measures. Learn about the COVID-19 vaccination and service disruptions.

Severe Thunderstorm Warning

The National Weather Service issued severe thunderstorm warnings Thursday morning for several Michigan counties.

Metro Detroit Weather Alert: Severe Thunderstorm Warnings End in Oakland, Washtenaw, Livingston, Genesee Counties

The severe thunderstorm warnings have ended in Oakland, Washtenaw, Livingston and Genesee counties.

Thunderstorm Watch for Genesee, Lenawee, Livingston and Washtenaw Counties Expires

GENESEE COUNTY, Mich. The National Weather Service issued a thunderstorm watch for Genesee, Lenawee, Livingston and Washtenaw counties until 2 a.m. Saturday. Metro Detroit saw its share of rain, fallen trees, power outages and flooding overnight Thursday into Friday. Flooding caused a mess of trash on some streets and damaged homes. READ: Royal Oak residents considering legal action after repeated floodingClick here to read the latest update from the Local 4Casters.

Severe Thunderstorm Warning Issued for Sanilac County Until 10:45 A.m. Monday

SANILAC COUNTY, Mich. A severe thunderstorm warning has been issued for Sanilac County until 10:45 a.m. Monday, the National Weather Service announced. A severe storm was seen near Ubly moving east at 25 mph, officials said. The storm is expected to be near Forestville around 10:30 a.m. Monday. Redman, Parisville, White Rock, Rapson, New Greenleaf, Tyre, Ruth, Palms, Helena and Verona could also be affected. Here is the latest Southeast Michigan weather forecast from Paul Gross.

Here Are the Active Weather Warnings, Watches for Each Southeast Michigan County

DETROIT Severe weather is expected across Southeast Michigan on Wednesday afternoon and evening, as strong winds, thunderstorms and even tornadoes are possible. Wayne CountyWayne County is currently under a severe thunderstorm watch until 8 p.m. Wednesday. St. Clair CountySt. Clair County is currently under a severe thunderstorm watch until 8 p.m. Wednesday. Genesee CountyGenesee County is currently under a severe thunderstorm watch until 8 p.m. Wednesday. The county was briefly placed under a severe thunderstorm warning at 2:20 p.m., but it was downgraded to a severe thunderstorm watch by 2:35 p.m.Sanilac County

Severe Thunderstorm Warning Issued in Monroe, Lenawee Counties Until 5:30 P.m.

DETROIT A severe thunderstorm warning has been issued in Monroe and Lenawee counties. The warning is in effect until 5:30 p.m. Friday. At 4:23 p.m., a severe thunderstorm was located near Britton and Tecumseh, moving east at 20 mph, the National Weather Service reports. Winds of up to 60 mph are possible, officials said. The thunderstorm is expected to affect the following areas in the county:Milan and Dundee -- 4:50 p.m.Ida -- 5:10 p.m.Maybee -- 5:15 p.m.Monroe and Carleton -- 5:30 p.m.Newport, Ogden Center, Erie, Woodland Beach, Ridgeway, Stony Point, Palmyra, Bolles Harbor, Samaria and Azalia could also be affected.