Five Scottish fixtures have been postponed because of frozen pitches while there will be inspections at other grounds.
Dumbarton v Queen of the South in the Championship has been called off, as have Ayr v Cowdenbeath and Dunfermline v Albion Rovers in League One.
The League Two games Elgin City v Stirling Albion and Berwick Rangers v Arbroath are also postponed.
St Johnstone's Premiership game with Hamilton faces a 10:00 GMT inspection.
The Championship game between St Mirren and Raith Rovers is also under threat with sub-zero temperatures having been forecast overnight.
Scottish Championship
Dumbarton P-P Queen of the South
Scottish League One
Ayr United P-P Cowdenbeath
Dunfermline Athletic P-P Albion Rovers (09:00)
Scottish League Two
Berwick Rangers P-P Arbroath
Elgin City P-P Stirling Albion
Scottish Premiership
St Johnstone v Hamilton Academical (10:00 GMT)
Scottish Championship
St Mirren v Raith Rovers (10:45)