9:30am ET Monday Update: SpaceX scrubbed Monday’s launch attempt due to strong upper level winds. The company will now target a back-up launch opportunity on 9:28am ET (14:28 UTC) Tuesday, when weather conditions are expected to be more favorable.

Original post: Weather-permitting, SpaceX will attempt to launch its third batch of operational Starlink satellites on Monday morning. Liftoff is scheduled for 9:49am ET (14:49 UTC) from Cape Canaveral Air Force Station in Florida.

However, weather is a legitimate concern. The forecast calls for a 50-percent chance of acceptable conditions at the surface, and there are also concerns about strong upper-level winds that may also preclude a launch. Weather conditions appear to be more favorable for a back-up launch attempt on Tuesday morning.