LUCKNOW, June 2 -- Temperatures are likely to fall by 2 to 4degC across Uttar Pradesh during the next 2 to 3 days. As per IMD forecast, rain/thundershower is very likely at isolated places over eastern Uttar Pradesh and at a few places over western Uttar Pradesh. The Lucknow met office has issued a warning of thunderstorms accompanied by lightning/gusty winds (speed 30-40 to 50 kmph) are very likely at isolated places over western Uttar Pradesh. Lucknowites may expect a mainly clear sky becoming partly cloudy with possibility of thundery development. The maximum and minimum temperature will be around 39 and 28 degrees Celsius respectively. On Sunday, the day and night temperature in the state capital was 39.7 and 28 degrees Celsius respectively. Banda was the hottest in the state on Sunday at 44 degrees Celsius....