There are hazardous driving conditions because of rain on the M4 Second Severn Crossing in both directions between M4 J22 / M49 and J30 A4232 (Cardiff Gate).
Environment Agency Wales has issued six flood alerts for Wales. People in areas at risk of flooding are warned to be prepared.
- Rivers Bran and Gwydderig at Llandovery
- Rivers in the Ewenny and Vale of Glamorgan West catchments
- Rivers in the Llynfi and Ogmore catchments
- Rivers in the Neath catchment
- Upper Teme upstream and including Knighton
- Afon Vyrnwy, Afon Tanat and Afon Cain & their tributaries
There are delays of up to 30 minutes on Arriva Trains Wales and Crosscountry services between Gloucester and Newport because of flooding at Lydney.
Rain means there are poor driving conditions on the M4 between J22 Pilning and J30 Cardiff Gate
There are poor driving conditions on the M4 between J30 Cardiff Gate and J49 Pont Abraham because of rain.
There's reduced visibility and surface water because of rain on the M4 between J30 A4232 (Cardiff Gate) and J49 A48 / A483 (Pont Abraham Roundabout).
There's rain and surface water on the M4 between J26 A4051 (Malpas Road) and J48 A4138 (Hendy/Llanelli)
There's rain, surface water and reduced visibility on the A55 between J1 A5 Victoria Road / A5 London Road / B4545 Kingsland Road (Kingsland Roundabout) and J11 A5 / A5122 (Llandygai / Bethesda).
The road's now passable after earlier flooding on the A4226 Five Mile Lane between A48 (Bonvilston) and B4266 Pontypridd Road (Barry).
The Met Office issues a warning for heavy rain for South East Wales.
Following Tuesday's rain, a spell of heavy and persistent rain is likely to cross parts of southern, southwest and central England along with southeast Wales during the first half of Wednesday. The rain should gradually ease from the west during the morning. The public should be prepared for the risk of flooding and possible disruption to transport at first on Wednesday morning.