Mercury set to soar in Grantham as four-day thunderstorms warning begins
Weather experts predict the mercury could rise to as high as 28C in the Grantham area tomorrow (Wednesday), which is also when a four-day weather warning for thunderstorms begins.
The yellow warning is in place from 6pm tomorrow evening until 9am on Saturday.
According to the Met Office, the storms bring "the potential for travel disruption and flooding".
In contrast, the temperature is expected to plummet into Thursday, with highs of 19C expected, before a further drop to 17C on Friday.
Meanwhile, extremely high pollen levels will remain this week as a 'pollen bomb' continues to cause misery for hay fever sufferers - with one charity warning of a 'toxic cocktail' for asthmatics if the predicted wet weather arrives. Here's why.