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IMD flags heavy rain and thunderstorms today, September 30, across Interior Karnataka, Kerala and the Northeast. Bengaluru travellers should plan commutes around peak thunderstorm windows. Delhi-NCR turns mainly dry, with temperatures inching back to seasonal levels. IMD’s latest national bulletin also highlights stronger gusts with lightning over select Northeast districts. Here is the state-wise picture Indian travellers need today.
South Interior Karnataka is under a heavy rain watch through October 2, per IMD’s bulletin. North Interior Karnataka has isolated heavy rain likely today and tomorrow. IMD’s Bengaluru city forecast shows generally cloudy skies with light rain and no formal warning. Kerala shifts from scattered thunder today to heavier spells from tonight into October 3. Yellow alerts include Agumbe and Hassan recently, and today Pathanamthitta and Idukki in Kerala.
Bengaluru nowcast windows and lightning risk
For Bengaluru, plan errands around IMD’s three‑hour thunderstorm nowcasts, updated repeatedly through the day. Check the Stationwise Nowcast map for neighbourhood‑specific alerts before morning and evening commutes. Today’s city forecast indicates light rain and no warning, but brief cells can disrupt traffic. Use the Damini app for real‑time lightning strikes within a few kilometres. If alerts upgrade, shift departures outside active windows and avoid open flyovers.
Kerala thunderstorm timeline and fisher advisory
IMD expects lightning and thunderstorms in Kerala today. Heavier rain is likely from tonight into October 3. Coastal caution continues, with squally winds 45–55 kmph, gusting 65 kmph at times. Fisherfolk should avoid venturing during adverse windows and secure gear above tide lines. Inland districts can expect short, intense bursts, especially near the Ghats. Keep powerbanks charged and park away from trees during thunder.
Northeast lightning hotspots; Delhi-NCR dry trend and AQI watch; live IMD alerts
In the Northeast, lightning risk concentrates over Nagaland, Manipur, Mizoram, Tripura, Assam and Meghalaya. Gusty winds of 40–60 kmph are possible in pockets, so schedule outdoor travel conservatively. Delhi-NCR turns mainly clear from today, with maximums rising towards 32–34 degrees Celsius. Monitor air quality via IMD’s forecast portal as dry, calmer conditions return. For live alerts, use DistrictWise Warning GIS, the Nowcast map, and Damini.