Long Island news, weather, traffic and LIRR updates for Tuesday, Sept. 16, 2014

Good afternoon, Long Islanders.

We've wrapped the live Long Island Now post for Tuesday, Sept. 16, 2014.

To view a daily roundup of Twitter updates from Newsday and its staff, scroll down.

(Mobile readers: Use the link above to access social media posts.)

TRAFFIC AND TRANSIT 

SOUTHERN STATE PARKWAY. The two westbound lanes at Exit 15 that were closed late Tuesday afternoon due to a crash have reopened.

For more traffic and transit alerts, visit newsday.com/traffic.

WEATHER

Tuesday will be overcast with a 50 percent chance of rain and a high of 72 degrees. Tuesday evening should be partly cloudy, then clear with a low of 54 degrees.

TOP LI STORIES

SCHOOL THREATS. Threats made against two Suffolk County high schools — one in Mount Sinai, the other in West Islip — resulted in the arrest of a 15-year-old student in one case, while police are continuing to investigate the other on Tuesday, police said. 

TAX HIKES. The cover story of Tuesday's Newsday looks at Nassau County Executive Edward Mangano's $2.98 million budget proposal, mainly the increase in property taxes. More on this story here: nwsdy.li/1qGNepC