Light rains were experienced in Nairobi from Tuesday evening, spilling over to Wednesday morning.
The weatherman had said heavy rainfall of above 70mm is expected over most parts of the country this week.
In the five-day weather forecast by the department, Laikipia, Baringo, West Pokot, Trans Nzoia, Bugoma, Kericho and Samburu are among the counties that will be affected.
Others are Keiyo-Marakwet and some parts of Kiambu, Murang’a, Nyeri, Nyandarua, Nakuru, Kisumu, Kakamega and Busia.
"Moderate rainfall between 20-70 mm is expected over some parts of Bomet, Kisii, Nyamira, Vihiga, Siaya, Homa Bay, Turkana and Lamu Counties," the forecast read in part.
Light rainfall 20-50 mm is expected over some parts of Narok, Nairobi, Meru, Tharaka, Embu and Migori Counties.