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Last update: 21:00, 5 Oct 2026
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Ross-on-Wye sits on a red sandstone bluff above a wide bend in the River Wye, with the church spire visible for miles across the valley. The town looks down over water meadows that the Wye floods after heavy rain in the Welsh hills upstream, while the market town on the bluff itself usually stays dry. Checking a Ross-on-Wye rain radar takes seconds, and hyperlocal radar shows which part of town the rain is actually crossing.
Frontal bands cross the Severn Estuary from the west and rise over the Mendips to the south and the Cotswold edge to the east. The lift squeezes heavier rain out over the hills and the valleys that face the wind, and a standard forecast for the whole region averages that difference away. Rain that falls on the Welsh hills upstream reaches Ross-on-Wye through the Wye hours or days after it fell, so a dry morning in town can still see the river rise by evening.
For Ross-on-Wye, England, RainViewer pulls live Met Office radar data straight onto the map, with a fresh scan roughly every 5 minutes. The live map shows whether the rain filling the Wye catchment is still over the Black Mountains or has already reached the meadows below the Prospect.
Atlantic depressions follow one another across the region from September, when the Met Office starts naming storms. Low ground gets steady frontal rain, while the Mendips and Cotswolds take the heavier totals. River levels and hill roads shift fastest in these months. Storm Dennis in February 2020 sent the Wye up through the water meadows below the Prospect, and the river kept rising for a day after the rain over the town had stopped.
Cold showers cross the Wye valley in spring, and the Prospect gardens and the riverside path are the plans most often cut short. As fronts weaken, showers move in and can turn a dry morning into an afternoon of hail and sun. Because each shower is small and quick, forecasts are at their least reliable, and plans on high ground face the greatest exposure.
Summer showers are short, and canoeists launching below the town for Symonds Yat depend on the gaps between them. Rain becomes less frequent but heavier in short bursts, and thunderstorms can form over warm ground in the afternoon. Most people plan around the sun and check the radar when cloud builds, which is when the map shows a storm cell's track.
The Wye below Ross-on-Wye is a popular canoe launch for the run down to Symonds Yat and Monmouth. Paddlers check the radar for rain building over the Welsh hills, because the river can rise long after the town itself has dried out.
Ross-on-Wye's market and the shops around the High Street and the Market House spill onto the pavement on market days. Shoppers watch the radar to see whether a shower will pass before the stalls close.
The Wye Valley Walk follows the river below the Prospect towards Symonds Yat, with little cover once the town is behind you. Check the radar to see whether a band is still over the hills or already coming down the valley.
The A40 towards Gloucester and the A49 towards Hereford both slow when heavy rain crosses the valley. Check the radar before joining the road and decide whether to leave now or wait for the gap.
RainViewer shows UK precipitation using data from the Met Office, the national weather service, which runs a network of C-band dual-polarization weather radars. The Met Office network also feeds the European OPERA composite, and the RainViewer map refreshes with each new scan, about every 5 minutes. From Ross-on-Wye the map also covers Hereford, Monmouth and Gloucester.
Rain over the Welsh hills upstream can raise the Wye at Ross-on-Wye long after the town itself has dried, turning a gentle paddle into a fast, brown flow. Paddlers and canoe hire operators watch the wider catchment rather than the local sky. RainViewer shows where the rain is still falling upstream.
Yes, heavy rain slows the A40 towards Gloucester and the A49 towards Hereford, and spray builds on the approach to the town on its sandstone bluff. A quick check of the radar before setting off helps. Checking the map shows whether the cell is still to arrive or already past.
Yes, the Wye can overtop its banks below Ross-on-Wye after prolonged rain in the Welsh hills, and Storm Dennis in February 2020 sent water well into the meadows under the Prospect. The town on its bluff stays clear above the flood line. The map shows whether rain is still falling upstream.
May to September is the best window to visit Ross-on-Wye, with the Prospect gardens, the riverside path and the Wye Valley Walk at their best. Spring can still bring cold showers off the hills. Check the radar in the morning and plan the riverside walk for the dry gap.
Ross-on-Wye's Prospect sits high on the sandstone bluff while the water meadows lie on the valley floor beside the river, so the meadows can be under water while the gardens above stay dry. Live radar shows the edge of each cell, so checking the Prospect and the water meadows below the town separately shows which side of the line you are on.
A satellite view of Ross-on-Wye shows cloud from above, while RainViewer's radar map shows the rain itself, measured directly by Met Office ground radar. C-band dual-polarization radar from the Met Office tells rain, hail and wet snow apart, a separation that matters most on the Mendip and Cotswold high ground, where height changes what falls. That hyperlocal radar reading is closer to what is actually falling on the street.
Set a rain alert on the Prospect or the Wye Valley Walk and RainViewer warns you before rain arrives. That lets you time a paddle or a walk. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track the Wye upstream and the meadows below town.
A paddle below the Prospect and a walk along the Wye Valley Walk both depend on a dry gap, and RainViewer shows the next one.
Showers behind each front reach Ross-on-Wye in quick succession, and the timing of each one is what a forecast smooths away.
The forecast says rain in Ross-on-Wye this afternoon. RainViewer's live hyperlocal radar shows the shower still over the Welsh hills with the Prospect dry, which decides whether the canoe launch goes ahead.
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Slice the next two hours into 5-minute steps and pick the gap for the walk along the Wye Valley Walk.
An alert on the Prospect arrives while the rain is still on its way, and that decides whether to launch the canoe or wait for the level to drop.
In Ross-on-Wye the wet weather tends to come from the west and south-west, and the arrows show the track of every shower.
Scroll back over the Wye catchment upstream to see what actually fell overnight.
Track the Prospect, Symonds Yat and Hereford together and compare which one is dry.