The band of cloud currently across the NW of the UK is around 8000 miles long.
It stretches from Iceland, passing over the UK, Ireland, the Atlantic Ocean, clipping the US and ending over The Bahamas.
It was chilly last night, with a touch of frost in some rural locations.
Aboyne in Aberdeenshire was the coldest place in the UK, dropping to 0.1C.
Here's the coldest place in each nation.
Following quality control checks, a manually operated weather station has been confirmed to have recorded 38.2°C on Thursday the 13th of August, making it the hottest day of 2026.
This exceeds the previous maximum temperature of 38.1°C recorded at Kew Gardens on the same day.
An unsettled week lies ahead, with areas of low pressure sweeping in off the Atlantic Ocean, bringing rain and a brisk wind.
The heaviest rain will be focused towards the north and west of the UK, with 50-100mm likely over the hills and mountains.
Southern parts of England and Wales have had a soaking.
From Monday evening to Tuesday midday, southern parts of England and Wales have seen a spell of much needed rain.
10-30mm has fallen, with a few locations seeing even more.