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    Home / Weather News /

    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

Su
25
33
Mo
25
32
Tu
25
32
We
25
31
Th
25
29
Fr
25
28
Sa
24
31
Su
23
30
Mo
22
30
Tu
22
30
We
23
30
Th
23
31
Fr
23
31
Sa
22
32
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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