Local News Severe Weather On May 7 May 7, 2014 / 4:06 PM MDT / CBS News The Mobile Weather Lab tracking severe weather with lightning. (credit: CBS) Severe Storms May 7, 2014 Kate Erwin-Caussade sent in this picture of hail piling up in Greeley (credit: Kate Erwin-Caussade) Severe Storms May 7, 2014 Kate Erwin-Caussade sent in this picture of hail piling up in Greeley (credit: Kate Erwin-Caussade) Severe Storms May 7, 2014 Kate Erwin-Caussade sent in this picture of hail piling up in Greeley (credit: Kate Erwin-Caussade) Severe Storms May 7, 2014 Lightning strikes over downtown Denver during an afternoon thunderstorm. (credit: CBS) Severe Storms May 7, 2014 Deborah Raus sent in this picture of hail in Arvada (credit: Deborah Raus) Severe Storms May 7, 2014 Deborah Raus sent in this picture of hail in Arvada (credit: Deborah Raus) Severe Storms May 7, 2014 Marcus Hinman collects hail in Frederick (credit: Marcus Hinman) Severe Storms May 7, 2014 Meteorologist Justin McHeffey tracks golf ball sized hail in Platteville. (credit: CBS) Severe Storms May 7, 2014 Hail in Fort Collins (credit: CBS) Severe Storms May 7, 2014 Hail in Fort Collins (credit: CBS) Severe Storms May 7, 2014 Hail in Fort Collins (credit: CBS) Severe Storms May 7, 2014 The Mobile Weather Lab tracks severe storms on Wednesday afternoon (credit: CBS) Severe Storms May 7, 2014 The Mobile Weather Lab tracks severe storms on Wednesday afternoon (credit: CBS) Severe Storms May 7, 2014 Copter4 follows storm clouds Wednesday afternoon (credit: CBS) Severe Storms May 7, 2014 Copter4 follows storm clouds Wednesday afternoon (credit: CBS) Severe Storms May 7, 2014 James Mackinaw from Frederick sent in this picture of hail that feel about 2:45 p.m. Wednesday. (credit: James Mackinaw) Severe Storms May 7, 2014 James Mackinaw from Frederick sent in this picture of hail that feel about 2:45 p.m. Wednesday. (credit: James Mackinaw) Severe Storms May 7, 2014 James Mackinaw from Frederick sent in this picture of hail that feel about 2:45 p.m. Wednesday. (credit: James Mackinaw) Severe Storms May 7, 2014 Scott Klohr from Fort Collins sent in this picture of hail. (credit: Scott Klohr.)