Hexham and Warwick will both stage inspections on Wednesday morning ahead of their scheduled fixtures.
There were some small areas of frost at the former track on Tuesday morning and a cold night is forecast again. They will inspect at 8am.
Officials at Warwick will stage a precautionary inspection at 7am after snow on Monday night through Tuesday morning. Temperatures overnight are expected to reach -1c.
Tuesday's evening meeting at Southwell was the first victim of the cold-snap after it was abandoned following heavy snow.
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