Rains expected in Nairobi, across Kenya as Met department warns of flash floods

The department singled out parts of Mandera, Wajir, Lamu, Kilifi, Mombasa and Kwale as areas that could experience isolated storms capable of causing flash floods.

In its seven-day rainfall forecast covering October 22 to 29, 2026, the department said rainfall is expected in several parts of 46 counties, including Nairobi and Marsabit, where only some areas are forecast to receive rain.

The counties expected to experience rainfall include Mandera, Wajir, Garissa, Tana River, Lamu, Kilifi, Mombasa, Kwale, Meru, Embu, Baringo, Bomet, Bungoma, Busia, Elgeyo Marakwet, Homa Bay, Kajiado, Kakamega, Kericho, Kiambu, Kirinyaga, Kisii, Kisumu, Kitui, Laikipia, Machakos, Makueni, Migori, Murang'a, Nakuru, Nandi, Narok, Nyamira, Nyandarua, Nyeri, Siaya, Taita Taveta, Tharaka-Nithi, Trans Nzoia, Turkana, Uasin Gishu, Vihiga and West Pokot.

It cautioned that rainfall distribution may vary across the affected counties, meaning some areas may receive more rain than others during the forecast period.

Source: Citizen Digital