HOPES of an Indian Summer are being dashed as rain continues this weekend.

A new weather warning has been issued for Dorset for heavy rain.

The Met Office has issued a yellow alert for this weekend.

The warning is in force from 9pm on Saturday, September 7, until 6pm on Sunday, September 8.

Here’s the hour-by-hour forecast for the rest of the weekend to help you plan when to get out and about.

Saturday, September 7:

4pm - Heavy rain, greater than 95% chance of rain.

5pm - Heavy rain, 90% chance of rain.

6pm - Heavy rain, 90% chance of rain.

7pm - Heavy rain, 90% chance of rain.

8pm - Heavy rain, 70% chance of rain.

9pm - Light rain, 60% chance of rain.

10pm - Cloudy, 50% chance of rain.

11pm - Light rain, 50% chance of rain.

Sunday, September 8:

12am - Light rain, 60% chance of rain.

1am - Light rain, 60% chance of rain.

2am - Light rain shower, 50% chance of rain.

3am - Light rain, 50% chance of rain.

4am - Light rain, 50% chance of rain.

5am - Light rain, 60% chance of rain.

6am - Light rain, 70% chance of rain.

7am - Light rain, 60% chance of rain.

8am - Cloudy, 50% chance of rain.

9am - Cloudy, 40% chance of rain.

10am - Cloudy, 50% chance of rain.

11am - Light rain, 50% chance of rain.

12pm - Light rain, 60% chance of rain.

1pm - Light rain shower, 60% chance of rain.

2pm - Light rain shower, 60% chance of rain.

3pm - Light rain shower, 50% chance of rain.

4pm - Light rain shower, 50% chance of rain.

5pm - Cloudy, 50% chance of rain.

6pm - Cloudy, 50% chance of rain.

7pm - Light rain shower, 60% chance of rain.

8pm - Cloudy, 50% chance of rain.

9pm - Cloudy, 40% chance of rain.

10pm - Partly cloudy, 40% chance of rain.

11pm - Partly cloudy, 30% chance of rain.

Forecast for the entire south-west of England:

Today:

Low cloud and any fog will tend to lift to give some bright spells for a while during the morning. Cloud will gradually increase, bringing showery outbreaks and perhaps thunderstorms to northern and coastal areas by the evening. Maximum temperature 19 °C.

Tonight:

A band of heavy showers brings a risk of thunderstorms along the northern coast this evening, with further heavy showers developing more widely across the area later on overnight. Minimum temperature 14 °C.

Sunday:

A band of thundery showers moves slowly westwards, bringing widespread heavy downpours. A brighter evening is in store however, with dry weather and sunny spells developing later in the afternoon. Maximum temperature 20 °C.

Outlook for Monday to Wednesday:

Settled with sunny spells through Monday. Turning cool and breezy on Tuesday with occasional showers in northern parts. Dry once more, but remaining cool for Wednesday.