The National Weather Service (NWS) has issued severe thunderstorm watch number 358 for a large part of northern Indiana until midnight EDT. The watch includes all 37 Indiana, Michigan and Ohio counties covered by the Northern Indiana NWS office.

The NWS Storm Prediction Center indicated in a mesoscale discussion that a severe thunderstorm system is moving across northeastern Illinois and severe winds are expected from it as it continues east across southern Lake Michigan, southwestern lower Michigan and northern Indiana.

Primary threats in the watch area include:

• Numerous damaging wind gusts with a few gusts to 75 mph possible.
• Hail of up to one inch in diameter
• The possibility of a few tornadoes.

At 6:56 p.m. EDT the Northern Indiana NWS office tweeted the following message:

Several reports of overturned semi trucks, downed power lines, and downed trees in the west suburbs of Chicago

 .    INDIANA COUNTIES INCLUDED IN THE WATCH ARE
     
     ADAMS                ALLEN               BLACKFORD           
     BOONE                CARROLL             CASS                
     CLINTON              DE KALB             ELKHART             
     FOUNTAIN             FULTON              GRANT               
     HOWARD               HUNTINGTON          JAY                 
     KOSCIUSKO            LAGRANGE            LA PORTE            
     MARSHALL             MIAMI               MONTGOMERY          
     NOBLE                PARKE               PULASKI             
     ST. JOSEPH           STARKE              STEUBEN             
     TIPPECANOE           TIPTON              VERMILLION          
     WABASH               WARREN              WELLS               
     WHITE                WHITLEY 

   .    OHIO COUNTIES INCLUDED ARE
     
     ALLEN                DEFIANCE            FULTON              
     HENRY                PAULDING            PUTNAM              
     VAN WERT             WILLIAMS