Israel Air Force jets bombed a convoy carrying advanced missiles from Syria to Lebanon, a Kuwaiti newspaper reported.
Israel has upgraded the operational capability of the Iron Dome anti-missile system.
Some 20 rockets fired from Gaza struck southern Israel on Sunday night and Monday morning.
More than 30 rockets and mortars were fired from the Gaza Strip at southern Israel.
The Israel Air Force bombed targets in the Gaza Strip on Friday, a day after coordinated terror attacks killed eight Israelis.