Three states were under a winter storm warning as of Monday morning, with five states under a winter weather advisory.

On May 20, the system underwent a scheduled 'major computer upgrade' to ensure it works for many years to come.

A Severe Thunderstorm Watch has been issued for Crawford, Perry, Posey, Spencer, Vanderburgh and Warrick counties until 9:00 a.m. CDT. Damaging winds, hail and frequent lightning are all possible.

The advisory was for Western Plumas County/Lassen ... Here are some additional winter weather driving tips: If you must travel out of town, and dangerous winter weather conditions are expected ...