Contingency plans are being put in place across the Anglia region as firefighters prepare to take part in a four hour nationwide strike.
It's in a row over pension plans.
Emergency calls will still be answered but there may be no response between 12pm and 4pm to calls about things like gas leaks and flooding.
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Showers easing with clear spells overnight. Strong winds easing.
Sunday forecast: Heavy rain is expected for a time with gusty winds, then clearing during the afternoon.
March in the Anglia region has been much drier and sunnier than normal although temperatures have been around average.