The warmest weather of the year so far is expected to heat the UK this week, with some areas topping 27°C by tomorrow.
Brits are set to enjoy sunny spells and dramatic thunderstorms with the Met Office issuing weather warnings for swathes of the country.
While this lowers the prospect of a full-on heatwave, the Met Office promises parts of the UK will be "very warm".
The West Country-based forecaster's predictions show temperatures reaching a peak of of 27°C in London and 24°C in the North.
And a mixed bag of sunshine and summer spells should stabilise by the weekend as high pressures will build again.
Met Office forecaster Richard Miles told the Mirror: "Today will be dry, fine and warm, particularly in the south east which will be very warm, but in the coming week it will be sunny spells and heavy showers.
"Everyone will see a shower."
He added: "It's looking like more stable conditions are coming by the weekend as we start to see high pressure build again.
"We'll also see more average temperatures [around 16°C] by the weekend."
Below is the Met Office's forecasts for today, tonight and tomorrow, have a look at what it means for your area.
London and South East England
Today: Feeling warm and rather humid, though slightly cooler along West and East Sussex coasts. Occasionally breezy and a maximum temperature of 23 °C.
Tonight : Plenty of warm sunshine through the evening, then dry and clear for most overnight. Perhaps the odd shower across Kent. Some low cloud and fog patches developing by dawn with a minimum temperature of 5 °C.
Tuesday : Largely dry with sunny spells and light winds. Very warm, especially inland. Feeling slightly fresher along the south coast with a gentle onshore breeze with a maximum temperature of 27 °C.
North East England
Today : Often cloudy with spells of heavy, locally thundery rain moving north. Drier with some warm bright or sunny intervals developing later in the afternoon, but with scattered and again, locally thundery showers in places. Maximum temperature is 19 °C.
Tonight : Showers continuing though the evening in places, but becoming dry and mostly clear during the second half of the night. Some mist or fog patches by morning with a minimum temperature of 5 °C.
Tuesday : Dry with lengthy sunny spells and light winds. Warm, especially inland. Feeling fresher along eastern coasts though with a gentle onshore breeze. Cloudier in the far west by evening. Maximum temperature 22 °C.
East of England
Today : Largely cloudy with a few showers lingering on in the north at first. Drier and much brighter by the afternoon, though some locally heavy, thundery showers breaking out. Feeling very warm in sunshine with light winds and a maximum temperature of 25 °C.
Tonight : Plenty of warm sunshine through the evening as showers soon ease, then dry and mostly clear overnight. A cooler night with some fog patches by morning and a minimum temperature of 7 °C.
Tuesday : Dry with lengthy sunny spells and light winds. Very warm, especially inland. Feeling fresher along eastern coasts though with a gentle onshore breeze. Cloudier in the far west by evening. Maximum temperature 26 °C.
Yorkshire and Humber
Today : Cloudy with heavy, locally thundery showers moving north tending to become lighter over time. Some warm sunny spells developing by the afternoon, but with scattered and again, locally thundery showers in places. Light winds. Maximum temperature 22 °C.
Tonight : Some warm sunshine through the evening as showers ease, then dry and mostly clear overnight. A cooler night to come than the last. Some mist or fog patches by morning. Minimum temperature 7 °C.
Tuesday : Dry with lengthy sunny spells and light winds. Very warm, especially inland. Feeling fresher along eastern coasts though with a gentle onshore breeze. Cloudier in the far west by evening. Maximum temperature 24 °C.
West Midlands
Today : Heavy rain this morning will quickly clear to leave a largely dry and cloudy morning. Turning brighter in the afternoon with heavy showers at times, possibly thundery. Warm in the sunshine. Maximum temperature 22 °C.
Tonight : Showers clearing this evening to leave a dry night. Cloud will break up to give some clear spells, but it will stay fairly mild. Minimum temperature 11 °C.
Tuesday : Dry and sunny on Tuesday morning. Cloud building in the afternoon, but still plenty of very warm sunny spells. Rain arriving in the evening. Maximum temperature 25 °C.
East Midlands
Today : Cloudy with heavy, locally thundery showers moving north this morning, these tending to become lighter over time. Warm sunny spells developing by the afternoon, but with some scattered and again, locally thundery showers in places. Light winds. Maximum temperature 23 °C.
Tonight : Some warm sunshine through the evening as showers ease, then dry and mostly clear overnight. A cooler night to come than the last. A few mist patches by morning. Minimum temperature 7 °C.
Tuesday : Dry with lengthy sunny spells and light winds. Very warm, especially inland. Feeling fresher along eastern coasts though with a gentle onshore breeze. Cloudier in the far west by evening. Maximum temperature 25 °C.
South West
Today : Starting cloudy with a few scattered showers this morning. Turning sunny in the afternoon with light winds. Feeling warm across the region in the strong sunshine. Maximum temperature 20 °C.
Tonight : Staying dry tonight with clear skies at first. Cloud building from the west with a few showers in Devon and Cornwall by the end of the night. Minimum temperature 11 °C.
Tuesday : Largely dry and bright at first, however skies will cloud over in the afternoon with thundery rain moving into the west. Maximum temperature 24 °C.
North West
Today : Cloudy skies with outbreaks of rain this morning, turning heavy at times. Rain will ease a little in the afternoon, but there will still be some heavy showers around, possibly thundery. Drier and brighter to end the day. Maximum temperature 20 °C.
Tonight : Showers clearing this evening to leave a dry night. Cloud will break up to give some clear spells, but it will stay fairly mild. Minimum temperature 10 °C.
Tuesday : Dry and sunny on Tuesday morning. Cloud building in the afternoon, but still plenty of very warm sunny spells. Rain arriving in the evening. Maximum temperature 23 °C.
Wales
Today : Cloudy this morning with outbreaks of rain this morning, heavy in places. Rain will quickly clear to leave cloudy skies, but turning sunny this afternoon and feeling warm. Maximum temperature 20 °C.
Tonight : Staying dry tonight with clear skies at first. Cloud building from the west with a few showers in the west by the end of the night. Minimum temperature 11 °C.
Tuesday : Largely dry and bright at first, however skies will cloud over in the afternoon with thundery rain moving into the west. Maximum temperature 23 °C.
Northern Ireland
Today : Heavy rain clearing north through the morning then a warm afternoon with scattered showers developing. These could be heavy at times with a risk of hail and thunder. Maximum temperature 20 °C.
Tonight : Any showers soon easing leaving a bright evening. Mostly dry with clear spells overnight, but thickening cloud across western counties may bring a little rain by morning. Southeasterly breeze strengthening. Minimum temperature 8 °C.
Tuesday : Morning rain mostly clearing east but some cloud persisting. Dry for a time morning and early afternoon but further, perhaps heavy rain later. Fresh south to southeasterly winds easing. Maximum temperature 18 °C.
Orkney and Shetland
Today : Dry for much of the day with sunny spells. However, some morning haar spreading down from Shetland to Orkney may bring a duller spell for a time. Rain arriving across Orkney towards the end of the afternoon. Fresh easterly breeze. Maximum temperature 12 °C.
Tonight : Cloudy with rain across Orkney through the evening, easing overnight with little reaching Shetland. Occasionally fresh southeasterly winds bringing in some haar, mainly across Orkney Minimum temperature 8 °C.
Tuesday : Mainly dry but rather dull with fresh southeasterly winds dragging in some haar for a good part of the day. Heavy overnight rain spreading northeast. Maximum temperature 14 °C.
Central, Tayside and Fife
Today : Cloudy with outbreaks of occasionally heavy rain spreading north and persisting for much of the day. Cooler by the coast with the onshore easterly breeze. Maximum temperature 12 °C.
Tonight : Rain clearing northern parts of Perthshire and Angus through the evening. Drier with misty low cloud overnight, and fog patches in the east. Easterly winds easing. Minimum temperature 8 °C.
Tuesday : A much improved day with morning haar clearing to leave a sunny afternoon. Warm for most but a little cooler towards the east coast with the southeasterly breeze. Maximum temperature 22 °C.
Dumfries, Galloway and Borders
Today : A cloudy start with outbreaks of occasionally heavy rain or showers spreading north. Some drier interludes in the afternoon but not lasting too long. Occasionally fresh easterly or southeasterly breeze easing towards midday. Maximum temperature 16 °C.
Tonight : Rain or showers clearing north early evening. Drier overnight with a mix of misty low cloud and clear spells. Southeasterly breeze falling light inland. Minimum temperature 8 °C.
Tuesday : Morning low cloud clearing then warm with sunny spells in east. Thickening cloud in west will bring some patchy rain towards midday, then turning heavy late-afternoon and spreading east later. Maximum temperature 22 °C.