Heavy showers and thunderstorms are expected today in London, with some localised flooding and disruption possible.
The Met Office has issued a yellow thunderstorm warning until 10pm tonight (Tuesday).
It comes after thundery showers on Monday brought big downpours in some places, surface water on the roads and lightning and hail.
The Met Office warns Londoners could expect flooding, leading to some damage to buildings or structures.
There could also be some damage to a few buildings and structures from lightning strikes as well as delays to train services and a short-term loss of power.
Here is an hour-by-hour forecast for today (Monday)
12pm – Sunny intervals 16C
1pm – Sunny intervals 17C
2pm – Heavy shower 18C
3pm – Heavy shower 17C
4pm – Heavy shower 17C
5pm – Heavy shower 16C
6pm – Heavy shower 16C
7pm – Thunder 15C
8pm – Thunder shower 15C
9pm – Thunder 14C
10pm – Heavy shower 14C
11pm – Heavy shower 14C
Here is the hour-by-hour forecast for tomorrow (Wednesday)
7am – Sunny intervals 13C
8am – Sunny intervals 12C
9am - Sunny intervals 13C
10am - Sunny intervals 13C
11am - Sunny intervals 14C
12pm - Sunny intervals 15C
1pm - Sunny intervals 16C
2pm - Sunny intervals 16C
3pm - Sunny intervals 16C
4pm - Sunny intervals 16C
5pm - Sunny intervals 16C
6pm – Partly cloudy 15C
7pm – Partly cloudy 15C
8pm – Cloudy 14C
9pm – Overcast 13C
10pm – Overcast 13C
The rest of the week looks unsettled, with less heavy and widespread rain and showers affecting most areas at times.
Temperatures are set to dip from Wednesday in the north with all areas experiencing below average temperatures from Thursday.
Night frosts are expected for some regions, and snow is possible for the higher mountains of Scotland, the Met Office said.
Forecast in full
Today:
Dry with sunny spells at first, but showers will soon spread northwards across all parts from late morning. The showers will become heavy and possibly thundery in the afternoon and evening. Risk of hail. Temperatures near normal. Light winds. Maximum temperature 18 °C.
Tonight:
Further heavy and possibly thundery showers continuing early in the night. The showers gradually clearing southeastwards during the early hours. Becoming drier by dawn. A mild night. Breezy along coasts. Minimum temperature 10 °C.
Wednesday:
A cloudy start, but brightening up for many, with further heavy showers likely from late morning, but less widespread than on Tuesday. Turning cloudier with patchy rain by evening. Breezy. Maximum temperature 17 °C.
Outlook for Thursday to Saturday:
Early cloud and patchy rain soon clearing on Thursday, becoming drier and brighter, with some coastal showers. Feeling colder. Drier and brighter on Friday and Saturday. Overnight rural frost possible.
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