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Weather Explained!: What is a Heatwave?

08:08 AM
27 April 2026

Weather Explained
What is a Heatwave?

What is a heatwave?

A heatwave is defined as a period of unusually high temperatures lasting for several days.

In India, it is declared when the maximum temperature reaches at least 40°C and is 4.5°C above normal for that region.

Nagpur

Tu
29
43
We
29
42
Th
30
42
Fr
30
42
Sa
30
43
Su
29
40
Mo
27
41
Tu
27
41
We
27
42
Th
27
42
Fr
27
43
Sa
29
44
Su
29
44
Mo
30
44
Max (°C)
Min (°C)
moreless

Over the days, day temperatures may increase in many districts, pushing conditions into heatwave category.

TemperatureRadar Update

Such extreme heat can impact health, causing dehydration and heatstroke. Residents are advised to stay indoors during peak afternoon hours, drink plenty of water, and follow weather alerts.

Stay updated with Weather & Radar for timely warnings and safety tips.

Weather & Radar editorial desk
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