The National Weather Service in Pleasant Hill has issued a flash flood warning for southwestern Johnson and northwestern Miami counties until 1:15 a.m.
Thunderstorms producing heavy rain across the area as well as flooding was reported in Olathe about 10:10 p.m. Friday.
Up to two inches of rain have already fallen. Flash flooding was expected to begin about 10:30 p.m.
Locations that will experience flooding include: Olathe, Lenexa, Gardner, De Soto, Spring Hill and Edgerton.
Per the National Weather Service, a flash flood warning means that flooding is imminent or occurring. If you are in the warned area, move to higher ground immediately.
Residents living along streams and creeks should take immediate precautions.
The National Weather Service also issued a severe thunderstorm warning for southeastern Johnson County in Kansas, northwestern Cass County and southwestern Jackson County until 10:45 p.m.
A severe thunderstorm was located near Belton shorty after 10 p.m.
Locations impacted include: Lee's Summit, Grandview, Belton, Raymore, Harrisonville, Pleasant Hill, Greenwood, Peculiar and Lake Winnebago.