The night after a red weather warning was issued for incoming hot weather, thunderstorms hit southern parts of England.
Though the Met Office had already predicted “thundery storms”, many were shocked by the size and strength.
In Bristol, earlier in the evening, a house caught fire – it’s thought this was as a result of a lightning strike.
In London, the hours-long storm, with its loud thunder claps and bright flashes of white lightning, woke many up in the early hours of Tuesday morning.
So this thunderstorm has the rest of London wide awake right now? I have never ever heard thunder so loud in my life
— harry (@_hxrrybxtt) June 23, 2026Others noted how heavy and long-lasting the rainfall was; precipitation that led to flash floods and enormous puddles.
This storm is something else. I had a job down at Ruislip earlier and this rain and lighting is insane. I’ve not seen anything like this in years in London. I’ve not seen flash flooding this bad in Ruislip in quite a few years #London#Thunderstorm#Lightning#Floodingpic.twitter.com/FE4sJgoLb0
— Joe 🇮🇸🇪🇺 (@JBCOYS99) June 23, 2026This has had an affect on multiple Tube lines.
And the flooding comes after passengers were warned to avoid unnecessary train travel on lines like the London North Eastern Railway (LNER), Chiltern, Great Western and South Western Railway as the coming red weather warning (which still stands) arrives.
Which Tube lines have been affected on Tuesday 23 June?
Here are all the lines affected as of the time of writing, per Transport for London (TFL):
1) Bakerloo
Minor delays on the entire line.
2) Circle
The entire line is suspended.
3) District
Severe delays from Upminster to Whitechapel
Part suspended from:
Whitechapel and WimbledonEdgware Road (Circle Line) and Earl’s CourtEarl’s Court and Kensington (Olympia)Whitechapel and Ealing BroadwayWhitechapel and Richmond.4) Elizabeth line
Severe delays from:
Heathrow Terminal 5 and PaddingtonReading and Paddington.Part suspended from:
Heathrow Terminal 4 and Heathrow Terminals two and three.5) Hammersmith and City
Severe delays across the entire line.
Part suspended from Barking and Moorgate
6) Metropolitan
Severe delays from Harrow-on-the-Hill and Baker Street
Minor delays in the entire line
Part suspended between Baker Street and Aldgate
7) Mildmay
Severe delays on the entire line
8) Suffragette
Severe delays across the entire line
9) Tram
Severe delays between:
Sandilands and Beckenham JunctionSandilands and Elmers End.Stay up to date with TfL advice and updates before you travel.





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