The National Weather Service in Lincoln has issued a Severe Thunderstorm Warning for... Northeastern Moultrie County in central Illinois... Piatt County in central Illinois... Champaign County in east central Illinois... Douglas County in east central Illinois... * Until 400 PM CDT * At 321 PM CDT, severe thunderstorms were located along a line extending from near Cerro Gordo to near Humboldt, moving north at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Champaign, Rantoul, Monticello, Tuscola, Urbana, Savoy, Mahomet, St. Joseph, Tolono, Arcola, Villa Grove, Arthur, Fisher, Bement, Philo, Cerro Gordo, Sidney, Atwood, Homer and Thomasboro. This includes the following highways... Interstate 57 between mile markers 202 and 253. Interstate 72 between mile markers 157 and 182. Interstate 74 between mile markers 161 and 197. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.