Is it raining now in Imphal?
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Last update: 04:30, 25 Aug 2026
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Rain in Imphal: What You Need to Know
Rain in Imphal doesn't stay where it falls — the city sits in an oval valley ringed by hill ranges, so monsoon runoff from every surrounding slope channels into the Imphal, Nambul and Iril rivers that cut through the valley floor. An Imphal rain radar shows this concentration effect directly: July alone averages 235mm out of an annual 1,436mm, and because the valley funnels runoff from hills on every side, a hyperlocal radar reading of where a storm cell is sitting matters more than the citywide rainfall total.
The mechanism is topographic: Imphal Valley is an oval alluvial plain of roughly 2,238 sq km at about 790m elevation, entirely ringed by hill ranges that funnel southwest monsoon runoff into the valley's rivers rather than letting it disperse. That's why Cyclone Remal in May 2024 caused the Imphal river to breach at 18 places and the Nambul — which flows directly through Imphal city — to breach at 4 places, even though the storm arrived during the pre-monsoon transition, not the main wet season. A standard forecast can't show which of those breach points is filling fastest; only live radar tracking the rain feeding each tributary can.
RainViewer's Imphal coverage draws from the India Meteorological Department (IMD), refreshed every 5 minutes — useful given that Greater Imphal's drainage system is documented as outdated and undersized, meaning ordinary monsoon rain can overwhelm it faster than in cities with modern stormwater networks. The live map shows whether a cell over the surrounding hills is feeding the Nambul as it passes through the city center, the detail that determines whether a street floods in the next hour.
Rain by Season in Imphal
Southwest Monsoon (June–September)
July is Imphal's wettest month, averaging around 235mm as the southwest monsoon funnels into the valley from the surrounding hills. This period also affects the roughly 2.5 lakh Manipur handloom weavers producing Phanek and Innaphi textiles — concentrated in and around Imphal — whose market and transport access is disrupted whenever flood-prone streets go under water, making June through September the most operationally disruptive stretch for both residents and the handloom trade.
Pre-monsoon transition (April–May)
April and May already carry cyclone-linked flood risk, as shown when Cyclone Remal struck in late May 2024 and breached the Imphal river at 18 points and the Nambul at 4. Forecasts built around the main June-September monsoon window miss this — a cyclone can bring monsoon-level flooding weeks before the season officially starts, making live radar essential during this transition.
Dry Season (November–March)
January is the driest month, averaging around 10mm, and November through March generally stays dry across the valley. Handloom production continues year-round, but this is the period when market and transport access through Imphal is least likely to be disrupted by flooding.
Why You Need a Rain Radar in Imphal
Handloom weavers and market vendors
Roughly 2.5 lakh Manipur weavers produce Phanek and Innaphi textiles concentrated in Imphal, and market access is disrupted whenever flood-prone streets go under water. A live radar check before moving finished goods to market shows whether a cell is building over the valley's rivers.
Travelers using Bir Tikendrajit International Airport
The airport, about 7km south of the city center, is Imphal's sole air link and handled 2,767 tonnes of freight in a five-month stretch of FY26, much of it perishable horticulture and handloom goods. Checking radar before the drive to the airport shows whether Nambul-adjacent roads are passable.
Residents near the Nambul River through the city
The Nambul flows directly through Imphal city and breached at 4 points during the May 2024 Cyclone Remal floods, one of two consecutive years the valley nearly submerged. Watching radar for cells over the surrounding hills gives residents along the Nambul earlier warning than waiting for a breach report.
Horticulture growers moving perishable produce
Imphal Valley's horticulture output reached over 813,000 tonnes across 81,110 hectares in 2024–25, much of it exported via the airport to Kolkata, Bengaluru, Mumbai and Delhi. A radar check before harvest transport shows whether monsoon rain will hit the route to the airport.
Commuters during the June-September monsoon
With the drainage system across Greater Imphal documented as outdated and undersized, even routine monsoon rain can flood streets fast. Checking radar before leaving shows whether a cell is about to arrive rather than relying on a citywide forecast.
RainViewer Radar Coverage in Imphal
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. From Imphal, the same feed covers the surrounding hill districts of Senapati, Thoubal and Bishnupur, useful for tracking rain feeding the valley's rivers before it reaches the city.
Imphal Rain Radar: Frequently Asked Questions
- Is it raining in Imphal right now?
A live radar is the only accurate answer, because Imphal Valley's rivers can rise fast even when rain is falling in the surrounding hills rather than the city itself. RainViewer's hyperlocal radar draws from the India Meteorological Department (IMD) and updates every 5 minutes, showing conditions over the valley and its rivers in real time.
- Should I go to market in Imphal today?
Check the live radar before heading to market — Imphal's handloom and produce vendors lose access whenever flood-prone streets near the Nambul River go under water. RainViewer shows whether a cell over the surrounding hills is feeding the river before you leave.
- Does rain affect the road to Bir Tikendrajit International Airport?
Yes, monsoon rain and Nambul River flooding can affect roads on the route to the airport, about 7km south of the city center. Checking radar before the drive shows whether the route is passable or a cell is still building.
- Does Imphal flood when it rains?
Yes — the Imphal and Nambul rivers regularly breach their embankments, with Cyclone Remal in May 2024 causing the Imphal river to breach at 18 places and the Nambul at 4, flooding homes, markets and farmland. Avoid streets near the Nambul when radar shows heavy cells building over the surrounding hills.
- When is the best time to visit Imphal to avoid rain?
November through March is Imphal's dry season, with January averaging only around 10mm of rain, making it the most reliable window to see the valley's handloom markets. April through September carries flood risk, either from the main monsoon or an early cyclone like Remal in May 2024.
- Why does it rain in one part of Imphal but not another?
Imphal Valley is ringed by hill ranges that funnel monsoon runoff into the Imphal, Nambul and Iril rivers, so rain falling in the hills miles away can raise river levels and flood parts of the city even when the sky over Imphal itself looks clear. That's why the Nambul breached at 4 separate points during Cyclone Remal — a pattern only live radar tracking the wider valley can show.
- Is there a live rain radar for Imphal?
Yes — RainViewer's hyperlocal radar for Imphal draws from the India Meteorological Department (IMD) via mausam.imd.gov.in and updates every 5 minutes. It tracks rain over both the city and the surrounding hills that feed its rivers.
- Can I get a warning before rain hits Imphal?
Yes — RainViewer's rain alert can be set for a specific point, such as a location along the Nambul River through the city center or near the airport road, and it notifies before rain reaches that spot. That gives handloom vendors and commuters time to act before flooding starts.
Track Rain in Imphal in Real Time
Handloom weavers and market vendors in Imphal move goods through streets that flood fast whenever the Nambul River rises.
Rain that falls in the hills ringing Imphal Valley can flood the city center even when the sky overhead looks clear, because the valley funnels runoff from every direction into rivers that cut through town.
Your weather app says light rain for Imphal today. RainViewer shows a cell is dumping over the hills feeding the Nambul River while the city center stays dry for now — that's the call vendors near the river make every monsoon.
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2-hour forecast in 5-minute slices
see whether a cell over the surrounding hills is about to feed the Nambul before a market trip in Imphal.
Rain alerts before arrival
set one for a point along the Nambul River through the city center.
Direction arrows on the map
Imphal's monsoon cells arrive from the surrounding hills on every side of the valley; direction arrows show which slope is feeding the rivers.
48 hours of radar history
check how a Nambul breach point lined up with the rain that caused it.
Multiple locations
track the Nambul River crossing, Bir Tikendrajit International Airport, and a market area at once.
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