Norfolk is set to experience unseasonably warm weather this weekend - after the warmest Valentine's Day in more than two decades.
People in Norfolk and Waveney can expect a "shock to the system" this week as temperatures dip sharply after a spell of unseasonably warm weather.
Norfolk and north Suffolk escaped the rain and thunder storms which broke the long-running heatwave last night.
Temperatures across East Anglia will be slightly above average next week but not as high as in previous weeks.
Large parts of Norfolk could be in line for thunderstorms and flash flooding today, with the Met Office putting a yellow weather warning in place.
max temp: 16°C
min temp: 12°C