Bhubaneswar: With State Capital getting hit by two back-to-back severe nor’ westers within 24 hours, throwing normal city life out of gear and disrupting power supply at many city spots, the major weather update here is state's major urban centres may continue to experience a transitional phase characterised by humid weather, scattered thunderstorms and occasional rain till June 17.

Moreover, when across the State millions of eyes fervently look over the skyline hoping the heralding of southwest monsoon, the latest weather signals suggest a very split mandate.

Southern districts are likely to welcome the monsoon much earlier than the coastal and central belt.

An exclusive analysis of the India Meteorological Department's (IMD) latest press release, coupled with deterministic GFS model guidance, indicates the monsoon will likely advance into southern Odisha around June 13–14.

Conversely, cities like Bhubaneswar, Puri, and Cuttack must wait nearly another week for a sustained monsoon establishment. Meanwhile, hot and humid conditions will prevail over the state from June 9–11.

The strongest signals emerge from the southern districts bordering Andhra Pradesh. Districts including Gajapati, Ganjam, Rayagada, Koraput, and Malkangiri are best positioned for this first phase monsoon onset.

Convergence in the Wind Fields

Model guidance unanimously suggests very big.

A strengthening belt of southwesterly winds stretches from the Arabian Sea across peninsular India into the Bay of Bengal, pushing toward the Andhra-Odisha coast. This configuration provides a classic signature of monsoon advancement.

What is particularly noteworthy is the consistency between independent forecasting systems. Despite different model mechanics, all show a strengthening low-level monsoon current approaching southern Odisha during the second week of June.

The Bay of Bengal branch also appears highly active, projecting strong moisture-bearing winds northward toward the coastline. These winds will interact with the Eastern Ghats terrain, creating favourable conditions for rainfall development over the southern hill districts.

Thunderous Weather

The IMD has issued thundersquall warnings for Odisha on June 9, with wind speeds reaching 50–60 kmph gusting to 70 kmph). Isolated thunderstorms, lightning, and gusty winds remain highly likely from June 10–15.

Localized Kalbaisakhi (Nor'wester) storms cannot be ruled out in the coastal belt. Strong daytime heating will interact with trapped coastal moisture to trigger sudden, violent afternoon disruptions.

Two-Stage Arrival Pattern

As the latest IMD bulletin confirms that conditions are favourable for the further advance of the southwest monsoon into parts of Odisha during the next 4–5 days, the synoptic wording confirms that southern Odisha remains the primary gateway for the monsoon's entry into the state.

For residents of Bhubaneswar, Puri, and Cuttack, the wait will be longer. Model guidance suggests that while pre-monsoon showers and severe thunderstorms will strike coastal Odisha, the sustained monsoon flow necessary for full onset will not establish until June 16–18 or later.

A gradual northward progression appears more probable than a dramatic statewide burst.

While southern Odisha will soon transition into monsoon conditions, the major urban centers will continue to experience a volatile transitional phase characterized by high humidity, scattered thunderstorms, and occasional severe squalls before the season fully settles.

Also Read: Monsoon 2026 Forecast / Monsoon Likely to Reach Odisha Between June 16-20, Weather Models Signal Mid-June Breakthrough|Exclusive