Active AlertsMonteith, IA

Fog is developing over the region. River valleys and low lyingareas are seeing the thickest fog at this time. Over the nextseveral hours, fog is expected to become more widespread.Visibility will range from a few miles and quickly change to 1/4mile or less. If traveling early today through the morningcommute, use caution. Allow extra time to reach your destinationsafely; use low beam headlights and be extra cautious atintersections and railroad crossings if visibility is low. The fogshould begin lifting and conditions improving after 7 to 8 amthis morning.