Fire brigades in the region are training members of the public to cover fire fighters in case a national strike goes ahead.
Some of those who have volunteered are having intensive training this week, with hundreds having applied for the positions in Middlesbrough.
Members of the Fire Brigade Union have voted in favour of a strike in a row with the government over their pensions.
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Kerrie brings you Sunday night's forecast
Clear weather develops overnight into Monday. Cold days and frosty nights. Mainly dry inland - but a wintry risk continuing in the east
Icy first thing and windy, with wintry showers lingering further south, especially at the coast. Brighter elsehwere