The warnings are on the River Vyrnwy at Maesbrook and Melverley, at the River Severn at Pool Quay, and Trewern near Welshpool.

The A490 near Welshpool Airport is closed because of flooding and smaller roads in the Melverley area are also expected to be affected.

On Monday the Environment Agency again put up flood barriers at Frankwell Car Park in Shrewsbury.

On Tuesday, Shropshire Council said the town's Frankwell Main and Frankwell Riverside car parks were closed as the Environment Agency was erecting the Phase 2 section of the flood barriers in preparation for the potential impacts of melting snow and rain.

Lesser flood alerts have been issued for the River Severn across Shropshire, the Severn Vyrnwy confluence at the Upper Teme. Across the Welsh border there are flood alerts for the the Vyrnwy catchment and Upper Severn in Powys and the River Dee at Llangollen and downstream along the North Shropshire border including Bangor on Dee.