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Last update: 12:00, 24 Aug 2026
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Szklarska Poreba (Szklarska Poręba) sits inside the Karkonosze — the Giant Mountains — not their foothills, and that ridge changes rainfall by altitude alone: around 950mm a year at the base of the mountains climbs past 1400mm at the highest Karkonosze summits. A Szklarska Poreba rain radar earns its keep in that gap, since a single town-wide number cannot show how much heavier rain is falling a few hundred meters higher up the same slope. This is a hyperlocal radar problem before it is anything else.
The town itself averages around 1173mm of rain a year, among the highest totals of any inhabited town in Poland, with July the wettest month at roughly 148mm as convective storms build against the ridge. The mechanism is orographic lift off the Karkonosze and Izera massifs, with the Szklarka stream and waterfall channeling that runoff straight through town. Storm Boris made the risk concrete in September 2024, dropping more than 400mm of rain over three days across southwest Poland — the Karkonoski district, which includes Szklarska Poreba, was named in the resulting state of natural disaster declaration.
RainViewer draws its Szklarska Poreba feed from IMGW, refreshed every 5 minutes, so the map reflects new radar scans rather than a forecast written before the storm reached the ridge. What a live map shows and a forecast cannot: whether a cell building over the Karkonosze summits is about to intensify as it drops toward the Szklarka waterfall.
July averages around 148mm as convective storms intensify against the Karkonosze ridge, the town's heaviest and most flood-prone rain window of the year.
Snow persists roughly 100 days a year in Szklarska Poreba, supporting the Szrenica ski resort's operating season and shifting the town's weather risk from rain to snow and reduced visibility.
Spring carries the lowest precipitation of the year regionally, though snowmelt runoff from the high Karkonosze and Izera catchment continues to feed the Szklarka stream even as rainfall itself eases.
Storm Boris dropped over 400mm of rain across southwest Poland in three days in September 2024, and the Karkonoski district — including Szklarska Poreba — was named in the state natural disaster declaration, with Lower Silesia's regional flood damage estimated at PLN 5 billion or more. Residents near the Szklarka stream benefit from watching the radar directly during any heavy multi-day rain system.
The Szrenica ski resort (Sudety Lift) is Szklarska Poreba's primary weather-dependent business, with lift operations tied directly to snowfall and precipitation levels through the winter. Checking the radar before opening the lifts shows whether incoming precipitation will fall as snow or rain at altitude.
The Karkonoski district sat under a 30-day disaster declaration following the 2024 floods, with DK3 the main road connecting Szklarska Poreba to Jelenia Gora. Drivers and haulage operators checking the radar before a DK3 trip get earlier warning of a system building over the ridge than a standard forecast provides.
The Szklarka waterfall is Szklarska Poreba's named tourist landmark, and its trail access is disrupted by heavy rain and the flash runoff typical of steep Karkonosze catchments. Visitors can check the radar before setting out to see if a storm cell is building over the falls.
Karkonoski National Park borders the town and draws hiking and nature tourism that is directly sensitive to summer storm activity on the exposed ridge. A hiker checking the radar before a Karkonosze trail can see a convective cell forming well before it reaches the summit path.
RainViewer draws radar data for Poland from the Institute of Meteorology and Water Management (IMGW) via danepubliczne.imgw.pl, updated every 5 minutes. Coverage is comprehensive across the country. Szklarska Poreba sits close enough to Jelenia Gora and the wider Karkonoski district that ridge-building storms are visible on the same map before they cross into town.
The fastest way to know is a hyperlocal radar, since rain here can be light in the valley while intensifying sharply against the Karkonosze summits a short distance away. RainViewer pulls fresh IMGW radar scans every 5 minutes, showing conditions as they are rather than a forecast written before the storm reached the ridge.
Yes — Szrenica's winter operations depend directly on whether incoming precipitation is falling as snow or rain at altitude, and that split changes with elevation on the Karkonosze slopes. Checking the radar before an opening decision shows what is actually falling rather than what a valley-level forecast assumes.
The Karkonoski district, which includes Szklarska Poreba, spent 30 days under disaster declaration after the September 2024 floods, with DK3 the main link to Jelenia Gora. Checking the radar before the drive shows whether a storm system is still building over the ridge or has moved on.
Storm Boris dropped over 400mm of rain across southwest Poland in three days in September 2024, and the Karkonoski district was named in the resulting disaster declaration, with Lower Silesia's flood damage estimated at PLN 5 billion or more. The Szklarka stream and waterfall channel fast-rising runoff through town during heavy summer storms, typical of steep Karkonosze catchments.
Spring carries the lowest precipitation of the year regionally, well below the July peak of roughly 148mm driven by convective storms against the ridge. Visitors planning a Szklarka waterfall trip or a Karkonoski National Park hike should watch the radar closely during the July–August wet peak.
The Karkonosze ridge drives precipitation up with altitude, from around 950mm a year at the mountain foot to over 1400mm at the highest summits, so the same storm can be mild in town and severe higher up. A single town-wide forecast cannot show that split — only a live radar tracking the cell's position on the slope can.
Yes — RainViewer's hyperlocal radar for Szklarska Poreba draws directly from IMGW, refreshing every 5 minutes with new scans covering the town and the surrounding Karkonosze and Izera ridgeline. That ridge-level view is what shows a storm intensifying before it drops into the valley.
Yes — RainViewer's rain alerts can be set for a point like the Szklarka waterfall or the Szrenica resort area, so hikers and lift operators get a notification as a cell approaches instead of checking the map manually. That advance window matters most during the July–August convective peak.
Szrenica's lift operators and Szklarka waterfall hikers both depend on knowing what the Karkonosze ridge is doing before it reaches them, and Storm Boris showed in September 2024 how fast a multi-day system can turn a mountain town into a disaster-declared district. Rain here rarely arrives evenly — the ridge amplifies it by altitude in ways a single forecast cannot show.
A generic forecast says light rain for Szklarska Poreba this afternoon. RainViewer's live hyperlocal radar shows the same system already dropping heavy rain over the Karkonosze summits above the Szklarka waterfall — that is the gap between a forecast and what the ridge is actually doing.
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See whether a cell building over the Karkonosze summits clears the ridge or intensifies toward the valley.
Set an alert for the Szklarka waterfall or the Szrenica resort area and get notified before a system reaches it.
See whether a front is tracking in over the Izera massif or breaking apart before it crosses into town.
Review the last 48 hours to see how a ridge storm built and moved across the Karkonosze.
Track the Szklarka waterfall, the Szrenica resort, and the DK3 route to Jelenia Gora at the same time.