The Met Office has issued a severe weather warning for rain across the county today (Friday).
The warning is currently in place from 2pm until 11pm whjen there will be a risk of heavy showers across Northamptonshire which may cause some travel disruption.
Forecasters at the Met Office said: "Whilst some places will escape them, some heavy showers will break out during Friday afternoon and evening.
"Some of these showers will be quite prolonged, with a chance of occasional thunder.
"A few places may see 20 mm rain falling within an hour and some spots may receive around 30 mm rain in a couple of hours.
"Following a spell of rain earlier in the day, this may lead to spray and surface water flooding on some roads."