1. Tornado watch issued for parts of Chicago area as severe weather threat looms  NBC Chicago
2. Chicago weather: Tornado Watch in effect for parts of area | LIVE radar  WLS-TV
3. Chicago weather: Severe storms, destructive winds and tornadoes possible tonight  FOX 32 Chicago
4. Tornadoes, destructive winds possible tonight in the suburbs  Daily Herald
5. Chicago area at risk for severe storms, damaging winds Tuesday  Chicago Sun-Times

Source: Google Finance – Market News