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Last updated: 20:00, 5 Oct 2026
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Rain in Alexandria: What You Need to Know
Alexandria lies in the Vale of Leven, on the river that drains Loch Lomond down to the Clyde, with the loch and its hills a short way north. Atlantic fronts reach this part of Scotland first, and the high ground around Loch Lomond lifts the air, wringing heavy rain from bands that arrive lighter down the vale. An Alexandria rain radar makes the difference here, since hyperlocal radar reads the storm cell directly instead of relying on an area-wide guess.
Rain arrives from the Atlantic and meets the hills of Argyll, the Campsies and the Renfrewshire Heights. Orographic lift turns moderate rain into heavy rain over the high ground, and the towns along the Clyde catch the runoff and the wind. The hills around Loch Lomond just north of Alexandria lift Atlantic rain as it arrives, so the loch shore can be under a heavy band while the town further down the River Leven gets a lighter share.
RainViewer's map for Alexandria, Scotland, runs on Met Office radar, updating with each new scan so the rain shown is current, not modelled. The live map shows whether a shower is still building over Loch Lomond or already following the Leven down towards Alexandria.
Rain by Season in Alexandria
Autumn and winter frontal season (September to January)
From September to January, named Atlantic storms track across Scotland and the west coast bears the worst of the rain and gales. Roads, ferries and rail suffer as the ground saturates, tides run high and debris comes down, while low cloud on the hills conceals the next band moving in. Named storms cross the west of Scotland from the Atlantic, and heavy rain on the hills above Loch Lomond can send the River Leven through Alexandria high and fast.
Transition months (February to April)
Showers, hail and wet snow alternate with the last fronts in spring, and walks along the Leven and up towards Loch Lomond are the plans most often caught out. The last fronts of the season bring showers, hail and wet snow in alternation from February to April, and because the cells are narrow, forecasts often miss the timing. Weekend sport and hill walks feel it most.
Summer season (May to August)
Rain is less frequent in summer, but showers off the loch and hills can still arrive quickly on a still afternoon. Rain is less frequent, but long light evenings still bring showers off the Firth of Clyde, and thunderstorms occasionally form inland. Festivals, ferries and coast walks depend on short dry windows.
Why You Need a Rain Radar in Alexandria
Walkers and cyclists along the River Leven
The path beside the Leven through Alexandria can flood quickly after heavy rain on the hills above Loch Lomond. Watch the cell approach on the radar and decide whether to start the walk or wait.
Visitors heading to Loch Lomond Shores
Loch Lomond Shores at Balloch, close to Alexandria, sits fully exposed to weather coming off the loch and the hills. Check the live radar before setting out.
Commuters on the A82 towards Glasgow
The A82 through the Vale of Leven towards Glasgow slows in heavy rain, and spray builds fast where the road runs close to the river. Look at the radar and choose between leaving now and holding back.
Anglers on the Leven and Loch Lomond
The River Leven and the loch shore can turn rough and rise quickly after heavy rain on the surrounding hills. Check the radar before heading out to fish.
RainViewer Radar Coverage in Alexandria
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 Alexandria the map also covers Dumbarton, Balloch and Helensburgh.
Alexandria Rain Radar: Frequently Asked Questions
- How does rain on Loch Lomond affect Alexandria?
Heavy rain on the hills around Loch Lomond, just north of Alexandria, can send the River Leven through the town high and fast, sometimes while the sky over the Vale of Leven itself has already cleared. Anglers and walkers along the river watch the loch and hills rather than the local forecast. RainViewer shows where rain is still falling on the high ground.
- Does rain affect the A82 near Alexandria?
Yes, the A82 through the Vale of Leven towards Glasgow slows in heavy rain, and spray builds where the road runs close to the River Leven. A radar check before setting off is worth it. RainViewer shows whether the band is still approaching or has cleared already.
- Does Alexandria flood when it rains?
Yes, the River Leven through Alexandria can rise quickly after heavy rain on the hills around Loch Lomond, and low ground near the riverbank is the first to be affected. The higher streets of the town usually stay clear. The radar shows whether heavy rain is falling on the loch and hills.
- When is the best time to visit Alexandria to avoid rain?
May to August is the best window to visit Alexandria, with the Leven riverside and Loch Lomond Shores at their best. Showers off the loch and hills can still arrive quickly at any time of year. A morning radar check shows the clearest stretch for time outside.
- Why can it rain on Loch Lomond and the hills while Alexandria town centre stays dry around Alexandria?
The hills around Loch Lomond lift approaching rain and can hold the heaviest of a band, so the loch shore can be soaked while Alexandria further down the Vale of Leven stays drier for a while. A forecast covers both places with one number, while the radar map shows the rain crossing Loch Lomond and the hills and missing Alexandria town centre.
- Does the Alexandria radar map work when I'm offline?
The Alexandria radar map needs a connection to pull the latest Met Office scan, refreshed roughly every 5 minutes, so it is not built for offline use. Bands crossing the Clyde are picked up by Met Office C-band radar across western Scotland, and dual-polarization measurement distinguishes rain from sleet as the front climbs onto higher ground. That live, hyperlocal feed is only as current as the last successful update.
- What can I do with RainViewer in Alexandria beyond checking current rain?
Set a rain alert on the Leven riverside or Loch Lomond Shores and RainViewer warns you before rain arrives. That lets you time a walk or a fishing trip. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Balloch and Loch Lomond together.
Track Rain in Alexandria in Real Time
A walk beside the Leven and a visit to Loch Lomond Shores both depend on a dry gap, and RainViewer shows the next one.
Showers come off the Firth of Clyde fast, so a dry hour can end within minutes.
Your forecast for Alexandria says rain this afternoon. RainViewer's live hyperlocal radar shows the cell still building over Loch Lomond with the Leven riverside dry, which decides whether the walk starts now.
Track rain in Alexandria — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
Slice the next two hours into 5-minute steps and pick the gap for the walk beside the Leven.
Rain alerts before arrival
An alert on the Leven riverside arrives while the rain is still on its way, and that decides whether to head up to the loch now or wait.
Direction arrows on the map
In Alexandria the wet weather tends to come from the south-west, off the Atlantic and up the Clyde estuary, and the arrows show the track of every shower.
48 hours of radar history
Scroll back over Loch Lomond and the hills to the north to see what actually fell overnight.
Multiple locations
Track Balloch, Loch Lomond and Dumbarton together and compare which one is dry.
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