The dry spell across the UK continues, as south Londoners are set to face highs of 25 degrees in some areas this weekend.

Months of little rainfall, combined with record-breaking temperatures in July, have left rivers at exceptionally low levels, depleted reservoirs, and dried-out soils.

All of this has put pressure on the environment, farming, and water supplies, and is fuelling wildfires.

The Met Office has warned there is “very little meaningful rain” on the horizon for parched areas of England as temperatures are set to climb into the 30s next week.

While it could mean another heatwave – when there are above-average temperatures for three days or more – it is likely that conditions will be well below the 40C seen in some places last month.

The situation has prompted calls for action to reduce water consumption to protect the environment and supplies, and to restore the country’s lost wetlands “on an enormous scale” to tackle a future of more dry summers and droughts.

Gardeners are being encouraged to grass on their green-fingered neighbours if they spot them repeatedly breaching hosepipe bans.

Rule-breakers face fines of up to £1,000 if taken to court, although water companies say they prefer “education over enforcement”.

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It comes as the first hosepipe bans – also known as temporary use bans (TUBs) – were introduced on Friday in parts of southern England, with further restrictions earmarked for the South East of England and south-west Wales later this month.

Thames Water has warned residents across London that reservoir supplies are running low, although a ban is not yet in place across the boroughs.

Here, we have the hour-by-hour Met Office forecast for Saturday:

6am – Sunny 13°C

7am – Sunny 13°C

8am – Sunny 14°C

9am – Sunny 15°C

10am – Sunny 17°C

11am – Sunny 18°C

12pm – Sunny 19°C

1pm - Sunny 20 °C

2pm – Sunny 20°C

3pm – Sunny 22C

4pm – Sunny cloudy 23°C

5pm – Sunny 23°C

6pm – Sunny 23°C

7pm – Sunny 23°C

8pm – Sunny 22°C

9pm – Clear night 22°C

10pm – Clear night 22°C

11pm – Clear night 21°C

12am – Clear night 19°C

Hour-by-hour Met Office forecast for Sunday:

7am – Sunny 16°C

10am - Sunny 19°C

1pm – Sunny 23°C

4pm – Sunny 24°C

7pm – Sunny 23°C

10pm – Clear night 21°C

Forecast in full:

Saturday:

Saturday, dry and largely sunny, although a bit chilly to start. Winds will generally be light, but a sea breeze may develop near the coast in the afternoon. Maximum temperature 25 °C.

Outlook for Sunday to Tuesday

 Remaining fine and dry, with plenty of sunshine and light winds. Becoming increasingly warm during the day, but cooler in coastal areas.

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