These drastic shifts in precipitation and temperatures have drivers on the defensive.
The waters of Peters Creek pass through a quiet corner of South Park as four Baldwin-Whitehall school buses roll into a nearby parking lot.
The Beaver County Emergency Management Center in Ambridge monitored the river and stream predictions and reports from the field.
Heavy rains are causing flooding in parts of the area, including in Armstrong County. There are reports of flooding problems all over the county.