Onam 2026: IMD Yellow Alert in 8 Kerala Districts as Rain Threat Looms

Eight Districts on Yellow Alert

The IMD's Monday alert covers Kasaragod, Kannur, Thrissur, Idukki, Pathanamthitta, Alappuzha, Kottayam and Ernakulam — a spread that stretches across northern, central and southern Kerala. Three of these districts will remain under alert on Tuesday, and unsettled weather is expected in several other pockets. Crucially, however, no rain warning has been issued for Thiruvonam at present, keeping hopes alive for the day that anchors the entire celebration.

Coastal Warning and Kallakkadal Watch

The threat is not limited to the interiors. Fishing has been completely banned along the Kerala and Lakshadweep coasts in view of the potential for heavy rain and strong winds. The Indian National Centre for Ocean Information Services (INCOIS) has flagged the possibility of coastal inundation under the Kallakkadal phenomenon, with waves between 0.9 and 1.3 metres expected along the Kerala coast until 11.30 p.m. on Monday. Coastal residents, tourists and vessel operators have been advised to stay clear of the sea until further notice.

Why It Matters

Onam is Kerala's biggest cultural and commercial event, driving weeks of activity across retail, hospitality, tourism, food and transport. Streets, markets and shopping centres are already teeming with festival footfall, and families are deep into preparations for the Onasadya and traditional gatherings. A washout during the peak days could dent outdoor turnout, disrupt public events, and force cultural programmes to move indoors — with knock-on effects for organisers, vendors and small businesses that bank on Onam week.

Audience Sentiment: Celebration Meets Caution

For Malayalis at home and across the diaspora, Onam is as much a public spectacle as a family ritual — from pookalams and Vallamkali imagery to community feasts. The mood on the ground remains celebratory, but authorities are urging vigilance, especially in low-lying areas and along the coast. The messaging is clear: the festivities need not stop, but they must be weather-smart.

The Bigger Question

With the weather system evolving and the IMD keeping a close watch, the coming 72 hours will be a balancing act between festive cheer and safety caution. The skies may stay overcast, but the Onam spirit — resilient by nature — is unlikely to be dampened. The real question now is whether Kerala will get to celebrate its biggest festival under open skies, or whether much of the joy will have to move indoors this year.