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Last update: 09:30, 24 Aug 2026
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Gonda weather is dominated by the southwest monsoon, which delivers 80 to 90% of the district's roughly 1,100 to 1,200mm of annual rain between June and September. A hyperlocal radar for Gonda earns its keep because the Ghaghara River, fed by both this monsoon and distant Himalayan snowmelt, can push floodwater across the district's eastern and southern blocks well after the rain over Gonda itself has stopped.
The mechanism is the Ghaghara's long reach: the river flows roughly 1,080km from Himalayan glaciers near Lake Manasarovar in Tibet, through Nepal, before turning southeast across northern India into Gonda district. Flooding peaks July through October, when orographic rainfall in the Himalayan catchment exceeds the channel's capacity and causes overbank flow — up to 20 to 30% of district area can be inundated in the worst-affected blocks. A Gonda-only forecast cannot show rain falling in a Himalayan catchment hundreds of kilometers away that will reach the district days later.
RainViewer draws its Gonda feed from the India Meteorological Department (IMD), refreshed every 5 minutes, so the live map reflects new radar scans rather than a forecast written hours earlier. Gonda Junction sits on the doubled, electrified Lucknow–Gorakhpur main line, close enough to the wider Gangetic Plain corridor that rain systems moving down from the north show on the same sweep before they reach the district. What the live map reveals and a forecast cannot: whether the Ghaghara's flow is rising from rain that already fell far upstream.
The monsoon delivers 80 to 90% of Gonda's annual rain, with freight movement of grains and sugarcane through Gonda Junction slowing on the wettest days.
This is Gonda's most disruptive stretch, when Himalayan catchment rainfall combines with local monsoon rain to push the Ghaghara over its banks. Historical flood years in 2010, 2017, and 2020 all fell within or just after this window, and up to 20 to 30% of the worst-affected blocks can flood.
Rain drops off through the cooler months, though the Ghaghara's Himalayan glacial feed sustains some residual flow risk into early monsoon. Rail freight and district agriculture run their steadiest schedule of the year.
The NSG-3 station on the doubled, electrified Lucknow–Gorakhpur main line has anchored the district's grain and sugarcane freight trade since the late 19th century. A yardmaster checking the radar before a monsoon shift can judge whether an approaching cell will slow loading on NH 330 and SH 1A access roads.
These blocks see the district's highest Ghaghara flood exposure, with up to 20 to 30% of area inundated in the worst events. A farmer watching the radar during July and August can decide whether to move equipment or livestock before a river rise.
The branch to Balrampur and onward via Mankapur Junction connects Gonda into regional pilgrimage traffic toward Ayodhya. Checking the radar before a monsoon-season trip shows whether a cell is likely to disrupt the connection.
Historical flood years in 2010, 2017, and 2020 submerged villages and destroyed crops in Gonda and neighboring districts along the Ghaghara. Tracking the radar for local rain adding to an already-rising river gives residents more warning than a district bulletin.
RainViewer draws radar data for India from the India Meteorological Department (IMD) via mausam.imd.gov.in, updated every 5 minutes. Coverage is strongest across the Gangetic Plain, western coast, and major cities; sparser in the Himalayan foothills and remote northeast. Gonda sits along the Ghaghara's path through the Gangetic Plain near Ayodhya and Gorakhpur, so rain systems moving down from the Himalayan foothills are visible before they reach the district.
The fastest way to know is a live hyperlocal radar, since monsoon cells over the Gangetic Plain can soak Gonda Junction while eastern blocks near the Ghaghara stay dry, or the reverse. RainViewer pulls fresh India Meteorological Department (IMD) radar scans every 5 minutes, so the map reflects current conditions rather than a forecast written hours earlier.
Freight movement through Gonda Junction is steadiest outside the July–October Ghaghara flood window, when local monsoon rain can combine with upstream Himalayan runoff. Checking the radar before a loading shift shows whether a cell is passing through quickly or settling over the yard.
Heavy monsoon rain on the branch through Balrampur and Mankapur Junction toward Ayodhya can slow services during the July–October flood-risk window. Checking the radar before a trip shows whether a cell is likely to clear the line or linger.
Yes — the Ghaghara River, fed by both local monsoon rain and Himalayan snowmelt, has flooded Gonda's eastern and southern blocks in documented years including 2010, 2017, and 2020, at times inundating 20 to 30% of the worst-affected area. Residents near the river should track the radar closely between July and October.
October through May is Gonda's dry stretch, though the Ghaghara's Himalayan glacial feed keeps some residual flow risk into early monsoon. Visitors should avoid July through October, when local rain and Himalayan catchment flooding overlap most.
The Ghaghara River carries water roughly 1,080km from Himalayan glaciers near Lake Manasarovar in Tibet through Nepal before reaching Gonda, so rainfall far upstream can push the river over its banks days after Gonda's own skies have cleared. A local forecast cannot show that upstream surge, which is why a live radar tracking rain across the wider catchment matters here.
Yes — RainViewer's hyperlocal radar for Gonda draws directly from the India Meteorological Department (IMD), refreshing every 5 minutes with new scans instead of a periodic forecast update. The map covers the Gangetic Plain corridor from Gonda toward Ayodhya and Gorakhpur, so an approaching system is visible before it reaches the district.
Yes — RainViewer's rain alerts can be set for a specific point like Gonda Junction or the eastern Ghaghara riverbank blocks, so rail staff and residents get a notification as a cell approaches instead of checking the map manually. That advance window is what lets a farmer or yardmaster act before the rain arrives.
Gonda Junction's freight crews and the eastern Ghaghara blocks' farmers both depend on knowing whether rain is building locally or arriving from upstream. The Ghaghara can rise days after Gonda's own skies clear, and 2010, 2017, and 2020 all showed how fast that combination turns disruptive.
A generic forecast says monsoon rain for Gonda this week. RainViewer's live hyperlocal radar shows the eastern Ghaghara blocks already soaked while Gonda Junction stays dry — that is the distinction a farmer tracks every flood season.
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See whether a cell over Gonda is building or breaking up in the next two hours.
Set an alert for Gonda Junction and get notified before a system reaches the yard.
See whether a cell is tracking in from the Himalayan foothills toward Gonda or sliding east toward Gorakhpur.
Review the last 48 hours to see how a monsoon system built before the Ghaghara rose.
Track Gonda Junction, the eastern Ghaghara riverbank blocks, and the Ayodhya branch line at the same time.