Sub-zero temperatures could mean icy roads - the forecast

Starting cold with some sunshine. Strong winds, rain and hill snow will arrive from the west during the morning, and will continue eastwards giving most a wet and windy afternoon.

The rain will clear towards evening followed by wintry showers.

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Here is an hour-by-hour forecast so you can be ready for the conditions.

Newport

9am - cloudy, temperature: 4 degrees (feels like 0) - less than 5 per cent chance of rain

11am - heavy rain, temperature: 5 degrees (feels like 1) - 80 per cent chance of rain

1pm - heavy rain, temperature: 6 degrees (feels like 1) - more than 95 per cent chance of rain

3pm - heavy rain, temperature: 7 degrees (feels like 2) - more than 95 per cent chance of rain

5pm - light rain, temperature: 8 degrees (feels like 4) - 70 per cent chance of rain

7pm - cloudy, temperature: 7 degrees (feels like 3) - 10 per cent chance of rain

Ebbw Vale

9am - cloudy, temperature: 1 degree (feels like -3) - less than five per cent chance of rain

11am - sleet/light snow, temperature: 2 degrees (feels like -4) - 90 per cent chance of rain/snow

1pm - heavy rain, temperature: 3 degrees (feels like -2) - more than 95 per cent chance of rain

3pm - heavy rain, temperature: 5 degrees (feels like 0) - more than 95 per cent chance of rain

5pm - cloudy, temperature: 5 degrees (feels like 1) - 10 per cent chance of rain

7pm - cloudy, temperature: 4 degrees (feels like 0) - 10 per cent chance of rain