Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  riser(noun) a person who rises (especially from bed) he's usually a late riser. 2  riser, riser pipe, riser pipeline, riser main(noun) a vertical pipe in a building. 3  riser(noun) structural member consisting of the vertical part of a stair or step.
Noblesville Weather - Current Temperature: -12.5 Â°C, Clear, Today's Temperature : -12 / -22 Â°C, Weather in Noblesville Indiana noblesville online us local search
Merrillville Weather Forecast for Thursday, March 30. The Merrillville, IN forecast for Mar 30 is 47 degrees and Moderate or heavy rain with thunder . There is 77 percentage chance of rain and 14 mph winds from the East.