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Last update: 04:30, 25 Aug 2026
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Hubballi weather can flood the twin cities within hours once a convective cell breaks through the Western Ghats rain-shadow. On 12 June 2025, a red alert and heavy downpour flooded both Hubballi and Dharwad so fast that Dharwad's district collector declared a school holiday. Checking a hyperlocal radar before heading out is the only way to see that kind of burst coming, since Hubballi's rain arrives in intense convective spells, not steady drizzle.
Hubballi-Dharwad sits on the Deccan Plateau, leeward of the Western Ghats, so the twin cities get a rain-shadow-reduced share of monsoon moisture compared with Karnataka's coast. That expectation breaks down the moment a convective cell forms locally, since the local rivers Bennehalla and Tupparihalla are small catchments that rise fast, and both were put on flood alert during the June 2025 event. A district-level Karnataka forecast built around the rain-shadow average misses that local convective risk entirely.
RainViewer's Hubballi radar draws from the India Meteorological Department (IMD), refreshed every 5 minutes, so the live map shows a convective cell building before it produces the kind of flooding that hit Myadan Oni and disrupted traffic between Unkal and Bairidevarakoppa in 2025. That is what a rain-shadow climate average cannot show: whether today's sky is another dry, leeward afternoon or the start of a red-alert burst.
July is Hubballi's wettest month, averaging 194mm, with rain concentrated in intense convective bursts rather than steady rain across the season. This is the most operationally disruptive stretch: the 12 June 2025 red alert flooded both Hubballi and Dharwad within hours, swept a man away in a drain at Nekar Nagar, and sent a vehicle carrying 13 passengers into the water-filled service road at the Rayanal underpass on the under-construction bypass.
Late February through early June is Hubballi's hot, dry stretch, which makes June's monsoon onset a sharp and unpredictable transition rather than a gradual build-up. The abruptness of that switch is part of why the 12 June 2025 flood caught both cities off guard so early in the season, only days after what had been dry, hot weather.
December through February is Hubballi's dry season, bottoming out in February at just 1.6mm. The Siddharoodha Swami Math Jatra, held every February at Hubballi's Siddaroodha Mutt, draws thousands of devotees during these driest weeks, when outdoor religious gatherings run with essentially no rain risk.
A man was swept away in a drain at Nekar Nagar and Myadan Oni flooded during the 12 June 2025 red alert, disrupting traffic between Unkal and Bairidevarakoppa. A hyperlocal radar check gives residents warning before a convective cell reaches these low-lying stretches, time that matters given how fast Hubballi's small catchments rise.
During the June 2025 flood, a vehicle carrying 13 passengers plunged into the water-filled service road at the Rayanal underpass on the under-construction bypass. Checking the radar before using this route, which stays vulnerable to flooding mid-construction, lets drivers choose another road while a cell is still building.
Infosys and Dharwad's dedicated IT/BT zone, the ₹2,060-crore Jettwings Aerospace Flight Training Institute, and the Tata Motors and Tata Marcopolo Motors plants in Dharwad all depend on staff commuting between the twin cities. A hyperlocal radar check before a shift change helps workers time the Hubballi-Dharwad commute around a convective burst rather than getting caught on a flooded road between the two cities.
Hubli Airport sits 8km from Hubballi and 20km from Dharwad, and Hubli Junction, a major South Western Railway hub, handles more than 160 trains daily. A live radar check before heading to either lets travelers see whether a convective cell is sitting over the route, since Hubballi's rain can flood a road in the time it takes to reach the station.
The February Jatra at Hubballi's Siddaroodha Mutt draws thousands of devotees during the city's driest weeks, when rain is rare but not impossible. Checking the radar before the pilgrimage confirms the dry-season expectation holds, rather than assuming it automatically will.
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. Hubballi sits on the Deccan Plateau within this national coverage band, with the same feed also covering twin city Dharwad and nearby Belagavi.
A live radar is the only reliable answer, because Hubballi's rain-shadow climate means storms arrive as sudden convective bursts rather than steady rain a forecast can average out. RainViewer's hyperlocal radar pulls IMD data updated every 5 minutes, showing a cell building over the Deccan Plateau before it reaches Nekar Nagar or Myadan Oni.
Check the radar first, since the February Jatra falls in Hubballi's driest weeks but a stray shower can still catch an outdoor crowd off guard. A hyperlocal radar reading confirms whether the dry-season pattern is holding before the event.
Yes, the under-construction Hubballi-Dharwad bypass, including the Rayanal underpass, stays vulnerable to monsoon flooding mid-build, and a vehicle with 13 passengers plunged into its water-filled service road during the June 2025 flood. Checking the live radar before using this route shows whether a convective cell is sitting over it, letting drivers choose another road.
Nekar Nagar and Myadan Oni flooded during the 12 June 2025 red alert, disrupting traffic between Unkal and Bairidevarakoppa, and the Rayanal underpass on the Hubballi-Dharwad bypass filled with water the same day. Residents report these same low-lying roads flood after every heavy-rain event without civic fixes, so they're worth avoiding once the radar shows a cell nearby.
December through February is Hubballi's dry season, with February averaging just 1.6mm, making it the safest window for outdoor travel and the timing of the Siddharoodha Swami Math Jatra. Visitors in July, the wettest month at 194mm, should expect intense convective bursts rather than steady rain.
Hubballi-Dharwad sits leeward of the Western Ghats on the Deccan Plateau, so the twin cities normally get a rain-shadow-reduced share of monsoon moisture, but the local rivers Bennehalla and Tupparihalla are small catchments that rise within hours once a convective cell does form. That combination, low expectations plus fast-rising small rivers, is why the 12 June 2025 red alert flooded both cities so quickly.
The Hubballi radar refreshes every 5 minutes, drawing from the India Meteorological Department (IMD) feed that RainViewer uses for hyperlocal coverage across the Deccan Plateau. That update speed matters here because Hubballi's convective bursts can flood a road faster than a standard forecast cycle updates.
A rain alert set for a point such as Myadan Oni or the Rayanal underpass notifies users when a cell is a chosen distance out, giving time to move off a flood-prone route. RainViewer lets users configure that radius, which matters most given how fast Hubballi's small catchments rise.
Hubballi's convective bursts can flood Nekar Nagar and the Rayanal underpass within hours, as they did on 12 June 2025. A Deccan Plateau rain-shadow average can't tell you that today's cell is the kind that triggers a red alert and a school holiday within hours.
A Karnataka forecast says light rain-shadow showers today. RainViewer's live, hyperlocal radar shows the cell already building and 15 minutes from Nekar Nagar — the read that would have mattered on 12 June 2025.
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see the next 2 hours of rain over Hubballi in 5-minute steps, enough warning to reroute a Hubballi-Dharwad commute before the bypass floods.
set an alert for Myadan Oni or the Rayanal underpass and get notified before a cell reaches it.
see convective cells building over the Deccan Plateau before they reach Hubballi and Dharwad.
look back 48 hours to see how the 12 June 2025 burst built before Bennehalla and Tupparihalla went on flood alert.
track Hubli Junction, Hubli Airport and the Rayanal underpass at the same time.