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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
A moderate rainfall warning (yellow-level) typically means 15–30 mm of rain in a few hours, enough to cause localised flooding and travel disruption. This is the most common Met Office alert during unsettled British autumn and winter spells.
What does a moderate rainfall warning mean in practice?
A yellow warning for rain indicates that heavy downpours are likely but not exceptional. Expect 15–25 mm within three hours or 30–50 mm over six hours in affected areas. Driving spray, surface water and minor road closures are possible. Unlike an amber warning, there is no high confidence of widespread or severe impacts, but localised flooding remains a risk, especially in urban areas and where drains are blocked.
Where is the moderate rainfall warning in effect?
Current warnings cover parts of northern England, Scotland and Wales, with the heaviest bands moving east through the afternoon. A weather warning Scotland is active for the central belt and Borders. London and the South East currently have no warning, but a moderate rainfall warning London could be issued if the front shifts south. The same system has prompted storm warnings uk today for coastal gusts, though the primary concern remains rain. Forecast models suggest this could be the storm to hit Britain this weekend if the low pressure deepens.
How long does a moderate rainfall warning last?
Most yellow rain warnings are valid for 6 to 12 hours. The Met Office updates them at least every 12 hours, so check the 10 day weather forecast for the latest timing in your area.
Should I cancel travel plans during a moderate rainfall warning?
Not necessarily, but allow extra time. Roads may be slippery and bus or rail services could be delayed. Check live travel updates and avoid driving through standing water – even 30 cm can float a car.
What is the difference between yellow and amber weather warnings?
Yellow means “be aware” – low likelihood but potential for disruption. Amber means “be prepared” – higher confidence of impacts such as significant flooding or dangerous driving conditions. Amber warnings are rarer and often require immediate action.