Kenya Met Warns of Heavy Rains in Nairobi, 43 Counties

Motorists Using Heavily Flooded Highway

Kenya Meteorological Service has warned residents across several regions to prepare for heavy rainfall between October 24 and October 30, 2026.

In a notice issued on Friday, October 23, the agency forecast rainfall exceeding 20 millimetres in affected areas, including parts of Nairobi.

The forecast covers the Coast, Northeastern, Western, Rift Valley, Central Highlands and Southeastern Lowlands.

Kenya Met also warned that strong winds exceeding 46 kilometres per hour could accompany the rains, especially along the Coast and in eastern and northern regions.

Counties Expected to Receive Heavy Rain

The affected counties include Mombasa, Kwale, Kilifi, Tana River, Lamu, Garissa, Wajir, Mandera, Marsabit and Isiolo.

Other areas are Migori, Nyamira, Bungoma, Busia, Kakamega, Vihiga, West Pokot, Baringo, Elgeyo Marakwet, Trans Nzoia, Nandi and Uasin Gishu.

The forecast also covers Nakuru, Siaya, Kisumu, Homa Bay, Kisii, Kericho, Bomet, Kiambu, Embu, Murang’a, Kirinyaga and Nyandarua.

Residents of Nyeri, Laikipia, Tharaka-Nithi, Meru, Narok, Kajiado, Taita-Taveta, Kitui, Machakos and Makueni should also prepare for the expected rainfall.

Parts of Nairobi are included in the warning, with residents advised to monitor weather updates throughout the forecast period.

Residents Warned About Flash Floods

Kenya Met has urged people in affected areas to remain alert for flash floods and reduced visibility during the rainy period.

The agency warned that flooding could occur downstream, even in locations that receive little or no heavy rainfall.

Residents have also been advised against taking shelter under trees or near grilled windows during thunderstorms.

People in hotter areas should maintain adequate hydration as weather conditions vary across the country.

Coast Residents Cautioned Over Strong Winds

Kenya Met has forecast ocean waves exceeding two metres on Sunday, October 25, 2026.

Fishers, mariners and other people involved in maritime activities have been advised to exercise caution because of the expected sea conditions.

Residents are encouraged to follow official weather updates and take precautions against heavy rainfall, strong winds and possible flooding.