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Last update: 12:00, 24 Aug 2026
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Lomianki (Łomianki) sits between the Vistula River and Kampinos National Park, just 15km from central Warsaw — a floodplain-to-forest position that shapes how rain drains through town. A Lomianki rain radar earns its value from that setting: the same August storm system that dropped roughly 120mm on Warsaw in a few hours, about double a typical month's total, reaches Lomianki through the same weather system. A hyperlocal radar is the only way to see a cell like that building before it arrives.
The mechanism is the river and the forest working against each other. Lomianki sits on the Vistula's left bank in a floodplain zone, while Kampinos National Park's forest edge sits just beyond town — a geography where a single Warsaw-area forecast can miss which side of Lomianki a storm actually crosses. Flood-risk mapping from Science in Poland names Lomianki, alongside Wawer and part of Wilanów, among the most flood-vulnerable parts of the Warsaw area.
RainViewer draws its Lomianki feed from IMGW, refreshed every 5 minutes, so the map reflects new radar scans rather than a forecast written hours earlier. What a live map shows and a forecast cannot: whether a convective cell over the Vistula floodplain is building toward Lomianki or breaking up before it reaches the riverbank.
Lomianki shares Warsaw's summer convective pattern, exposed to the same frontal and storm systems that can drop a month's rain in a few hours, as the August event affecting the wider Warsaw area demonstrated.
Kampinos National Park's border position ties Lomianki's outdoor-recreation season to fair-weather months, drawing Warsaw day-trip traffic through town whenever conditions hold.
Climate-change analysis links reduced snow cover in the Vistula basin to less natural water-reservoir capacity, a factor increasing flood risk that plays out over the colder months as much as the wet season itself.
Lomianki, on the Vistula's left bank, is named among the most flood-vulnerable parts of the Warsaw area in flood-risk mapping, alongside Wawer and part of Wilanów. Residents near the riverbank can watch the radar during a heavy-rain event rather than waiting for a city-wide bulletin.
Kampinos National Park's forest edge borders Lomianki and draws Warsaw day-trip traffic dependent on fair weather. Checking the radar before heading into the park shows whether a shower is building over the forest or staying south toward the city.
The DK7 national road runs through Lomianki as the main link south to Warsaw, carrying commuter traffic exposed to sudden convective storms during the summer peak. A 5-minute radar update lets drivers time a trip around a passing cell instead of driving into it.
Lomianki has been part of Warsaw's first ZTM ticket zone since January 2018, with five local bus lines connecting to Metro Marymont and Metro Młociny. Commuters walking to a bus stop can check the radar to time the walk around a shower.
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. Lomianki sits close enough to central Warsaw that storm systems crossing the city are visible on the same map before they reach the Vistula floodplain here.
The fastest way to know is a live hyperlocal radar, since Lomianki's position between the Vistula floodplain and the Kampinos forest edge means conditions can differ from central Warsaw nearby. RainViewer pulls fresh IMGW radar scans every 5 minutes, showing conditions as they are rather than a forecast written hours earlier.
Kampinos National Park's forest edge borders Lomianki and draws fair-weather day-trip traffic from Warsaw. Checking the radar before heading into the park shows whether a shower is building over the forest or staying to the south.
The DK7 national road runs through Lomianki as the main link to Warsaw, and summer convective storms can flood one stretch of the corridor while another stays dry. Checking the radar before leaving is more useful than a general Warsaw-area forecast for that day.
Lomianki, on the Vistula's left bank, is named among the most flood-vulnerable parts of the Warsaw area in flood-risk mapping, alongside Wawer and part of Wilanów. Residents near the riverbank should track radar closely once a heavy-rain system moves into the Vistula basin.
Winter is Lomianki's calmer stretch for rainfall, though reduced snow cover in the Vistula basin has been linked to rising flood risk over the colder months. Visitors planning a Kampinos day trip should watch the radar closely during the summer convective season.
Lomianki sits between the Vistula floodplain and the Kampinos forest edge, so a convective cell can drench the riverbank while the forest side stays dry. A single Warsaw-area forecast cannot show that split — only a live radar tracking the cell's actual path can.
Yes — RainViewer's hyperlocal radar for Lomianki draws directly from IMGW, refreshing every 5 minutes with new scans instead of a periodic forecast update. The map covers the full Warsaw metro area, so systems approaching from the city are visible before they reach the floodplain.
Yes — RainViewer's rain alerts can be set for a specific point like the Vistula riverbank or the Kampinos park edge, so a notification arrives as a cell approaches instead of requiring a manual check. That advance window is what lets a resident or day-tripper plan around the rain before it arrives.
Vistula floodplain residents and Kampinos National Park day-trippers in Lomianki both depend on knowing before a cell builds, since the town sits among the most flood-vulnerable parts of the Warsaw area. A single Warsaw-wide forecast can miss which side of Lomianki a summer storm actually crosses.
A generic forecast says scattered showers for the Warsaw area this week. RainViewer's live hyperlocal radar shows it is already raining over the Vistula floodplain in Lomianki while the Kampinos forest edge stays dry — that is the call a floodplain resident makes every time a summer cell builds.
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See whether a cell over the Vistula floodplain clears the riverbank or settles in for the next two hours.
Set an alert for the Vistula riverbank or the Kampinos park edge and get notified before a system reaches it.
See whether a front is tracking in from central Warsaw or breaking apart before it arrives.
Review the last 48 hours to see how a summer storm system built and moved across the Vistula basin.
Track the riverbank, the Kampinos park edge, and the DK7 corridor at the same time.