Chief Meteorologist Shannon O'Donnell joined the KOMO4 Forecast Team in 2009. She covers the weather for Western Washington on the weekday evening shows for KOMO4 News. Hailing from the Sammamish ...

KOMO News meteorologist Shannon O'Donnell said the storm could be one of the strongest systems in recent memory. "This will be one of the biggest winter storms we've had in some time," she said.

Meteorologist Shannon O’Donnell is returning to KING 5 News on Dec. 17. The Seattle native and University of Washington graduate worked at KOMO-TV, NorthWest Cable News and KING 5 before working ...