"It appears that the much improved weather helped services activity in July and we doubt that this rate of expansion can be sustained," said Howard Archer, chief European and UK economist for IHS Global Insight.
Chris Hare, an economist at Investec, said the improved weather may have supported retail sales in July, as measured by the BRC figures.
Speaking after Saturday's Cobra meeting, the prime minister warned flood levels would remain "very high" and in many places would continue to rise, despite an improved weather forecast.
The company - whose brands include All Bar One, Harvester and Toby Carvery - said sales in the 9 weeks to mid-January were up 6.5% on a like for like basis, helped by the improved weather over Christmas compared to the snow disruption in 2010.
Though the fire continues to expand, its spread has slowed with the improved weather.
The company said that better designed spring clothing ranges, more exclusive products and improved weather had all helped pull back sales declines at its UK stores open more than a year to 0.3% in the last three months.
It is a growing tide – even before the improved weather brings a summer peak of migrants, some 31,000 made the journey in the first three months of this year with 1,500 deaths.
"The crews are making excellent progress based on the improved weather conditions," Mike Dietrich, a commander for the United States Forest Service, said at the briefing.
He also said he also wants to use artificial intelligence and improved weather monitoring technology to predict and contain wildfires.
It seems unlikely that changing weather conditions might have resulted in improved local food production.
