Active AlertsWatertown, WI

What: Low temperatures in the lower to middle 30s will result in frost formation.
Where: Portions of east central, south central, and southeast Wisconsin.
When: From 1 AM to 8 AM CDT Wednesday.
Impacts: Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold. Bring them indoors or cover them up.