At 8:35 p.m., the National Weather Service issued a severe thunderstorm warning for Genesee County.
The warning is in effect until 9:30 p.m.
The storm is capable of producing quarter-size hail and winds in excess of 60 mph.
The storm is producing cloud-to-ground lightening.
The weather service warns, "Lightning is one of nature's number-one killers. If you can hear thunder, you're close enough to be struck by lightning."