People in Northampton are being warned about the possibility of torrential rain, thunder and lightning storms on Saturday.
The Met Office has issued a severe weather warning for the East Midlands due to the possibility of flash flooding this weekend.
The forecast for the next three days is for sunny weather with temperatures rising up to 25C.
However, areas of heavy, thundery showers may develop over the East Midlands early on Saturday before moving northwards during the day.
The Met Office warning states: “The development of these is uncertain but where they do form some torrential downpours are possible with frequent lightning, hail and locally strong gusts.
“Significant flooding is possible where these do occur from surface water as well as small, fast responding watercourses. The frequent lightning, hail and strong gusts could also be an additional hazard.
“The public should be aware of the risk of disruption from any of these elements.”