Police are warning people that jumping into water to cool off during this hot spell could cost them their lives. It's after the body of a man from Wiltshire was found in the river following a night out.
27-year-old John Shailes from Swindon had been drinking with friends and didn't make it home.
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It will be a breezy start, with clouds arriving around lunchtime. The afternoon will be sunny with showers.
Tuesday will start dry and bright with lighter winds, before cloud thickens bringing some outbreaks of rain through the afternoon.
The day's gusts will ease as the evening goes on. It will be mostly dry with cloud cover but occasional clear spells.