Common in North America, it produces local heavy snowfall and severe disruption. Something similar can happen in the UK.

Following a few days of quieter conditions, Santa Ana winds will strengthen again increasing fears of explosive fire growth ...

Santa Ana winds can bring disruptive impacts to daily life in Los Angeles and parts of southern California, but when coupled ...

When a wildfire intensely heats air close to the ground, it can rise rapidly and start to spin into a narrow vortex. As more ...

When Donald Trump is sworn in as the 47th U.S. president on Monday in Washington, DC, it is likely to be one of the coldest Inauguration Days in the country's history - prompting an 11th-hour decision ...

Some of the lowest temperatures recorded across the UK are generally during periods of cold Arctic weather, or where calmer ...

Further snow and ice may cause disruption before overnight temperatures plummet with hard and widspread frosts.

Penrith.

Tonight will start dry and mainly clear. However, by the early hours, cloud will move in from the west, with the odd spot of rain possible. Areas of patchy mist and fog will develop in places.

Tonight will see cloud increase, quickly becoming overcast with spells of light rain moving in from the west at times. Monday Remaining cloudy tomorrow. In the morning, it will turn dry but in the ...

Little change this evening and tonight, as it will continue dry with a mixture of variable cloud cover and clear spells, the best of these to the west. Monday Tomorrow will continue much the same.

Tonight will remain largely cloudy throughout, with mist and fog continuing to form in places. A few clear spells are possible. Staying dry, and it will be a settled night. Saturday Tomorrow will ...