Rain, maybe hail, in London forecast
Bad weather news for the Olympics: Rain, cooler weather and even hail may be returning to London.
The Met Office, the UK weather forecaster, says there will be heavy thundershowers across central and east London on Sunday afternoon, with hailstones also a possibility.
The forecaster predicts that the thunder and showers will clear later Sunday, and that Monday will be mostly dry.
More rainclouds, however, are forecast for Tuesday through Thursday. Temperatures, too, will drop this week, hovering at or below 20C (68F).
London has enjoyed bright and warm weather of up to 30C in the week leading up to the Olympics, after enduring weeks of rain.