WATERLOO - Heavy fog enveloping the area has caused school officials to take precautions and delay school openings.

Here is the list of schools opening two hours late today unless otherwise noted:

AEA-267-Bremwood

AEA 267-Castle Hill

AEA 267-Devonshire

AEA 267-River Hills

Allamakee Schools: Christmas program also canceled

Allison Bristow Schools: Also 1 hour early out, WNS no preschool

Aplington Head Start: 1 hour delay

Aplington-Parkersburg Schools: 1 hour delay, semester tests at 9:30 a.m.

BCLUW

Cedar Falls Schools

Cedar Falls-St. Patrick's School: Also no AM preschool, COC at 8:45 a.m.

Charles City Schools

Clarksville Schools

Comprehensive Systems-Cedar Falls: Day program & Work program delayed 2 hours

Decorah School

Denver Schools

Dike-New Hartford Schools

Dunkerton Schools

East Buchanan Schools

Gladbrook/Reinbeck Schools

GMG Schools

Greene Schools

Grundy Center Schools

Howard-Winneshiek Schools: Also no AM preschool, no early dismissal

Hudson Schools: Delayed 1 hour

Independence (inclu. St. John's)

Janesville Schools

Jesup (including St. Athanasius)

Meskwaki Settlement School

Nashua-Plainfield Schools

New Hampton Schools: also no TLC

North Fayette Schools

North Winneshiek School

Oelwein Schools

Olin School

Operation Threshold-Waterloo: opening at 10 a.m.

Osage Schools

Riceville Schools

Sonrise Daycare& Preschool: Also no AM preschool, daycare open

South Tama Schools

Starmont Schools: delayed 2 hours, 30 minutes

Sumner-Fredericksburg: Also no early out

Trinity Episcopal Preschool: no preschool, child are open at 8 a.m.

Tripoli Schools: Also no AM preschool or day care

Turkey Valley Schools

Union Community Schools: also no early out

Vinton-Shellsburg Schools

Wapsie Valley Schools

Waterloo Four Oaks School

Waterloo Schools: also no AM preschool

Waverly-Shell Rock

YMCA of Black Hawk County: open at 8 a.m.