45th Weather Squadron's Launch Mission Execution Forecast for tonight's attempt to launch ULA's Delta IV Heavy with NROL 44 calls for 70% of acceptable conditions with thick cloud layer as the primary concern.

Launch window is set to open at 11:54 pm EDT. 🚀 pic.twitter.com/42jSprEsD5

— Nathan Barker (@NASA_Nerd) September 30, 2020