# IMD Issues Heavy Rain and Thunderstorm Alert Across Karnataka Until November 5 With Bengaluru on Yellow Warning

> The India Meteorological Department has sounded a yellow alert across South Interior and Coastal Karnataka through November 5, warning of heavy rain, squalls, and lightning. Bengaluru will see cloudy skies, early fog, and isolated downpours before dry and cooler weather sets in.

**Type:** article · **Category:** Money · **Published:** 2026-11-03 · **Source:** TrendKia
**Canonical:** https://trendkia.com/en/money/karnataka-men-5-november-taka-garaja-chamaka-ke-satha-teja-barisha-ki-chetavani-bengaluru-men-jari-hua-yelo-alarta-55437 · **Language:** English
**Tags:** Bengaluru Weather, Karnataka Rain, IMD Alert, Yellow Alert, Weather Forecast, Bengaluru Traffic

A fresh spell of wet weather has marked the opening days of November across Karnataka, prompting the India Meteorological Department to put South Interior Karnataka under a yellow alert from November 3 through November 5. The official advisory covers heavy rainfall, thunderstorms, active lightning strikes, and accompanying squalls across the region. Under the meteorological classification system, a yellow alert signals that residents and local administrations must remain alert and watch for rapidly altering weather patterns over the next several days. Sky conditions across the state are expected to stay predominantly overcast, broken occasionally by brief intervals of sunshine.

## Sub-Division Warnings Outline Regional Impact
According to the sub-division-wise weather warnings released on November 3, the three-day spell spans Tuesday, Wednesday, and Thursday. Coastal Karnataka faces identical conditions and has been placed under the same heavy rain and thunderstorm yellow alert during this timeframe. In contrast, the northern interior districts of the state fall under a narrower thunderstorm and lightning advisory without any heavy rain flags attached. Once this three-day weather system passes, the forecasting agency indicates that no weather warnings will remain active across any of Karnataka's three administrative sub-divisions from November 6 through November 9.

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## Statewide Precipitation, Morning Fog, and Lower Visibility
Across Karnataka, isolated locations are expected to register light to moderate showers over the course of the week. Southern interior belts and the coastline will experience more scattered rainfall from November 3 to November 5, with isolated locations witnessing intense, heavy downpours. Alongside precipitation, forecasters have highlighted that drop in nighttime temperatures and widespread fog will develop across several regions during late-night and early-morning hours. As a consequence, commuters setting out during daybreak may run into significantly reduced visibility on highways and urban transit corridors, making cautious driving essential.

## Bengaluru Temperature Trends and Daily Rain Chances
Within Bengaluru, conditions began on an overcast note with early thermometers recording around 23 degrees Celsius. Meteorological projections place Tuesday's maximum temperature at approximately 28 degrees Celsius and nighttime lows near 20 degrees Celsius, accompanied by a 35 percent probability of rain. Wednesday is anticipated to mirror that pattern closely, with highs holding near 28 degrees Celsius, lows hovering around 20 degrees Celsius, and precipitation probability remaining constant at 35 percent. On Thursday, rain chances will drop down to 15 percent even though the official warning remains formally active, indicating that precipitation will likely be patchy, highly localized, and restricted to specific pockets rather than covering the municipal expanse.

## Dry Weekend Ahead Brings a Noticeable Evening Chill
The upcoming weekend indicates a transition toward distinctly drier atmospheric conditions in Bengaluru. Between Friday and Sunday, the likelihood of rainfall will stay contained within a narrow 15 percent to 20 percent band, while daytime highs ease gradually from roughly 28 degrees Celsius down to 26 degrees Celsius. Nights will become progressively cooler across the urban basin. Minimum temperatures are slated to decline to around 19 degrees Celsius by Monday, November 9, and will reach roughly 18 degrees Celsius by Tuesday, November 10. By November 10, the likelihood of rain will dwindle to just 5 percent, cementing a clear and chilly turn.

## Commuter Advisory on Underpass Waterlogging and Gridlocks
In light of the forecasted showers, standard urban precautions remain crucial across Bengaluru. The primary concerns during rain spells involve rapid waterlogging along low-lying corridors and underpasses, sluggish traffic flow during peak evening commutes, and impaired roadway sightlines caused by dawn fog. Daily commuters and travelers have been advised to closely monitor real-time weather advisories from both the national weather bureau and the Karnataka State Natural Disaster Monitoring Centre, coordinating their road journeys and commutes around anticipated rain showers to avoid prolonged delays.

## What this means for you
This weather alert directly impacts daily commutes, highway transit safety, and morning travel routines across Karnataka and Bengaluru.

- **Across Karnataka:** Dense morning fog and scattered showers between November 3 and November 5 will sharply reduce visibility along intercity highways. Motorists traveling during dawn or late evening hours should reduce driving speeds and utilize fog lamps to avoid accidents.
- **In Bengaluru:** Localized rainfall is likely to cause water accumulation in underpasses and low-lying arterial corridors, exacerbating peak-hour evening gridlocks. Daily office commuters should track route conditions in advance and allocate additional travel time to bypass prone bottlenecks.
- **Temperature shift:** Nighttime minimum temperatures will drop steadily from 20 degrees Celsius to 18 degrees Celsius by November 10, bringing a brisk seasonal chill. Residents should prepare for cooler nights and morning mist by keeping light outerwear handy for early routines.
- **Safety monitoring:** Urban residents should stay tuned to local civic advisories before venturing out during sudden squalls or lightning activity. Checking live situational alerts from disaster response authorities will help avoid stranded vehicles and unnecessary delays.

## Why this happened
The sudden wet spell across Karnataka is driven by dynamic atmospheric interactions typical of early November transitions over peninsular India.

- **Moisture convergence:** Moisture-heavy air masses moving across coastal and interior peninsular regions have triggered rapid convective cloud formation. This atmospheric buildup directly accounts for the squalls, lightning strikes, and isolated heavy showers expected through November 5.
- **Seasonal transition dynamics:** The post-monsoon seasonal shift regularly fosters unstable micro-climatic pockets across southern Karnataka during early November. These convective conditions typically produce overcast mornings followed by patchy evening thunderstorms and gusty winds.
- **Dry air intrusion:** As the localized rain system dissipates after November 5, drier northerly winds will begin setting in over the Deccan plateau. This transition explains why precipitation drops to negligible levels by the weekend while nocturnal temperatures slide toward 18 degrees Celsius.

## Questions & Answers

### 1. How long is the IMD yellow alert active for Karnataka?
The yellow alert for heavy rain and thunderstorms is active from November 3 through November 5 across South Interior and Coastal Karnataka.

### 2. What is the expected temperature range for Bengaluru this week?
Daytime temperatures will hover around 28 degrees Celsius with nighttime lows near 20 degrees Celsius, gradually cooling down to 18 degrees Celsius by early next week.

### 3. Is North Interior Karnataka under a heavy rainfall alert?
No, North Interior Karnataka only has an advisory for thunderstorms and lightning, with no heavy rainfall flagged.

### 4. What is the weekend forecast for Bengaluru?
The weekend looks largely dry with rain chances between 15% and 20%, maximum temperatures around 26 degrees Celsius, and noticeably cooler nights.

### 5. Are there any weather warnings in place after November 5?
No, the weather department shows no warnings for any of Karnataka's three sub-divisions between November 6 and November 9.

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