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and blizzards on upper exposed ground; strongest winds during the morning with storm force gusts on tops before easing slightly through the afternoon. Severe windchill. Chance of cloud-free hill tops above 800m: <5% Low Cloud and visibility: Extensive cloud bases generally 700-800m but frequently

History Version Issue Date Change Description Owner V1 April 2019 New document D Hardy V2 July 2021 Replacement of AIRMET with GAMETs D Hardy V3 May 2022 Removal of EURO Forecast precip rate, Forecast precip type, Forecast vis & Forecast total cloud weather may layers D Hardy © Crown copyright 2021

Weather Forecasting  - helping you to understand the facts. The Met Office holds the nation's weather and climate records. Our UK climate and weather statistics will give you summaries, climate figures and much more. Latest Met Office guides and information on climate change.   Cloud Types

to the formation of cumulonimbus clouds, towering, dense clouds capable of producing heavy rain, hail, and lightning. Lightning is a massive electrical discharge caused by the separation of positive and negative charges within a storm cloud. As the storm develops, ice particles and hailstones collide

. Breezy conditions will persist, and temperatures will hover near or slightly below seasonal averages. Monday night will see a shift to drier conditions for many, though showers in the north will drift southward, concentrating along North Sea coastal counties. Cloud cover will increase in the far

the air stable, rather than cold and moist. Low cloud and poor visibility may be very persistent under such conditions. • The record breaking temperatures of August 2003 were caused by a tropical continental air mass. Summer Winter Temperature: Very warm or hot Average Humidity: Relatively dry Rather

of rain 🌧️ pic.twitter.com/KQPqvUGmui — Met Office (@metoffice) September 21, 2025 Monday night will bring clear skies for many, allowing a patchy rural frost to develop, particularly in northern and western areas. Variable cloud and a few coastal showers will persist in the north and east

also see isolated highs above 30°C. Elsewhere, temperatures will generally range from the low to mid-20s Celsius, with Shetland remaining cooler in the mid to high teens. Coastal areas, particularly in southwest England and Wales, will feel cooler compared to Tuesday. Medium-level cloud may produce

Friday will begin dry and fine for many areas, with long spells of sunshine. However, the sunshine will become increasingly hazy as the day progresses. Eastern and southeastern England may see more cloud, with some showers likely during the morning, but these will fade into the afternoon, allowing

also see isolated highs above 30°C. Elsewhere, temperatures will generally range from the low to mid-20s Celsius, with Shetland remaining cooler in the mid to high teens. Coastal areas, particularly in southwest England and Wales, will feel cooler compared to Tuesday. Medium-level cloud may produce