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Last update: 12:00, 24 Aug 2026
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Strzegom sits in the Strzegom Hills, part of the Sudetes Foreland's granite massif, at 200-400m altitude in a temperate oceanic climate that brings around 775mm of rain a year. A Strzegom rain radar earns its keep in this foothill terrain, where hyperlocal radar shows a storm cell lifting over the hills before it reaches the town's open-pit quarries.
The mechanism is orographic lift over granite foothills. As air rises over the Strzegom-Sobotka massif, rain intensifies quickly, and Lower Silesian Voivodeship — where Strzegom sits — was struck directly by Storm Boris flooding on 14-16 September 2024, part of the broader state-of-natural-disaster declaration. Disused granite and basalt quarry pits near Strzegom have flooded and now sit filled with water, a visible reminder of how fast heavy rain accumulates in this terrain.
RainViewer draws its Strzegom feed from IMGW, refreshed every 5 minutes, so the map reflects the newest radar scan rather than a forecast written for the wider Sudetes region. A hyperlocal radar is what shows whether a cell building over the Strzegom Hills is heading toward the active quarries or breaking up before it arrives.
August runs warm in Strzegom, averaging a daytime high of 25C, and orographic lift over the Strzegom Hills sharpens summer convective rain into faster, more localized bursts than on flat ground.
Lower Silesian Voivodeship was struck directly by Storm Boris flooding on 14-16 September 2024, showing that early-autumn systems can bring some of the heaviest rain of the year to this part of the Sudetes Foreland.
January is Strzegom's coldest month, with lows averaging around 3C, and open-pit granite quarrying faces its sharpest weather disruption from winter freeze rather than rain.
Strzegom holds the title "capital of Polish granite," with active quarries including Strzegom I, Strzegom II, Kowal, and Graniczna supplying grey granite nationally and for export. Checking the radar before a shift lets quarry operators time outdoor extraction work around a building storm cell.
Disused granite and basalt excavations near Strzegom have flooded and now sit filled with water, a recurring hazard where heavy rain accumulates fast in an enclosed pit. Anyone near these sites should watch the radar closely once rain builds over the Strzegom Hills.
Strzegom's station handles large cargo trains moving granite and coal, connecting through the Jaworzyna Slaska hub to Wroclaw and Walbrzych. A hyperlocal radar update every 5 minutes helps rail staff plan loading windows around a passing storm.
Lower Silesian Voivodeship's inclusion in the September 2024 Storm Boris disaster declaration shows that Strzegom's granite hills are not immune to major flood events. Residents and quarry operators should treat any sustained heavy-rain forecast as worth tracking closely on radar.
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. From Strzegom, the same map shows systems approaching from Swidnica and Walbrzych in the wider Sudetes Foreland before they reach the granite hills.
The fastest way to know is a live hyperlocal radar, since orographic lift over the Strzegom Hills can turn a passing system into a sharp, localized downpour. RainViewer pulls fresh IMGW radar scans every 5 minutes, showing current conditions rather than an older forecast.
Strzegom's active granite quarries, including Strzegom I, Strzegom II, Kowal, and Graniczna, run outdoor extraction work exposed to sudden hill-country rain. Checking the radar before a shift is more reliable than a general regional forecast.
Strzegom's station moves granite and coal cargo through the Jaworzyna Slaska hub toward Wroclaw and Walbrzych, and heavy rain over the Sudetes Foreland can affect loading schedules. Checking the radar before a freight run shows whether a cell is building over the hills or clearing.
Lower Silesian Voivodeship, where Strzegom sits, was struck directly by Storm Boris flooding on 14-16 September 2024, and disused granite quarry pits near town have flooded and remain filled with water. Anyone near these low-lying pits should track radar closely during any sustained rain event.
August runs warm with daytime highs around 25C, while January is the coldest month at around 3C, and early-autumn systems like Storm Boris show that September can bring the year's heaviest rain. Watching the radar during any Sudetes trip is the safest approach.
The Strzegom Hills sit at 200-400m altitude as part of the Sudetes Foreland's granite massif, so incoming air lifts and intensifies rain compared to flat terrain nearby. A regional forecast cannot show that lift effect — only a live radar tracking the cell's actual path over the hills can.
Yes — RainViewer's hyperlocal radar for Strzegom draws directly from IMGW, refreshing every 5 minutes with new scans instead of a periodic forecast update. The map covers the Sudetes Foreland, so approaching systems are visible before they reach the granite hills.
Yes — RainViewer's rain alerts can be set for a specific point like the Strzegom I quarry or the Jaworzyna Slaska rail hub, so operators and rail staff get a notification as a cell approaches instead of checking the map manually. That advance window is what lets outdoor quarry work get planned around the rain.
Quarry operators at Strzegom I and rail staff at the Jaworzyna Slaska hub both depend on knowing whether a storm cell is lifting over the granite hills or breaking apart. Orographic rain here builds fast, and the September 2024 Storm Boris flooding showed how quickly that pressure can turn severe across Lower Silesian Voivodeship.
A generic forecast says scattered showers for Strzegom this week. RainViewer's live hyperlocal radar shows it is already raining over the granite hills while central Strzegom stays dry — that is the call a quarry operator makes every time a storm cell builds.
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See whether a cell building over the Strzegom Hills clears the active quarries or settles in for the next two hours.
Set an alert for the Strzegom I quarry or a flooded historic pit and get notified before a system reaches it.
See whether a front is tracking in from the southwest toward Strzegom or breaking apart before it arrives.
Review the last 48 hours to see how a storm system built and moved across the Sudetes Foreland.
Track the Strzegom I quarry, the Jaworzyna Slaska rail hub, and central Strzegom at the same time.