Weather remained dry during the day and the heat wave would persist over the next couple of days, the Meteorological Centre here said.
Even the coastal region is experiencing a heat wave, as several cities along the coast recorded above-40 degrees Celsius temperature today.
Surendranagar town in central Gujarat remained hottest at 45 degrees Celsius, followed by Kandla port (44.5), Idar (44.4), Gandhinagar (44), Rajkot (44), Bhuj (44.2), Amreli (43.8) and Deesa (43.6).
In the coastal belt, Porbandar recorded 42.5 degrees, Veraval 40.8 degrees, Surat 43 degrees and Valsad 42.4 degrees Celsius.
"Heat wave conditions most likely at few places while severe heat wave conditions would prevail at isolated places over Saurashtra, Kutch and south Gujarat region (in next 24 hours)," said a Met department warning.