Brits can expect drier weather from Tuesday after a weekend washout - with typical summer conditions expected by Wednesday.
Thunderstorms battered the nation on Saturday and Sunday, with one area in Cumbria suffering 56.6mm of rain - about a fortnight's worth of rain.
But, after a mixed Monday, the weather is set to improve on Tuesday - before the return of glorious from Wednesday.
Temperatures are slated to hit highs of 27C in places as the week progresses.
Met Office meteorologist Craig Snell said: "As we head towards the middle of the week, the showers do take a bit of a step back and we generally turn a little bit drier for most as we go into Tuesday."
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Northern England and southern Scotland got the worst of the weekend's wild weather.
The village of Salsburgh had seen the highest rainfall totals in Scotland by 8pm on Sunday, recording 38.2mm - also about two weeks' worth of rain.
Thunderstorms weather warnings remain in place on Monday for parts of Scotland and southern England, with travel disruption possible.
But the Met Office said higher pressure will start to build from the west on Tuesday, bringing more settled conditions for many places by midweek.
Mr Snell continued: "Certainly down in the southern half of the UK, we certainly might have a good few decent days towards the second half of the week, where we will replace the showers with some sunshine and some warmer temperatures.
"So it turns into a bit of a north-south split as we go through this week but I think for all of us the heavy rain will have passed."
A risk of sudden flooding and standing water causing difficult driving conditions, as well as delays and cancellations to public services, remains in place on Monday.
There is also a risk of damage to property from lightning strikes and flooding, as well as a slight chance of power cuts, the Met Office said.
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There are 16 flood alerts in place in Scotland, including in Aberdeenshire, Argyll and Bute, Dumfries and Galloway, Edinburgh and Lothian and Fife.
The Scottish Borders, Skye and Lochaber, West Central Scotland and Wester Ross also have alerts in force.
In England, there are four flood alerts covering the River Leen and Day Brook in Nottinghamshire, the upper River Aire in Yorkshire, the upper River Wey in the South East and Western Rother in Hampshire and Sussex.
In Wales, there is one alert around the River Glaslyn and River Dwyryd from Dyffryn Ardudwy to Nant Gwynant.
