HEAVY RAINFALL ADVISORY: SIAYA AMONG 44 COUNTIES TO RECEIVE MODERATE TO HEAVY RAINFALL
By: Obila Beatrice
The Kenya Meteorological Service Authority (KMSA) has issued a heavy rainfall, strong winds and high temperatures advisory affecting Siaya County.
According to Advisory No. 06/2026 issued on 23rd October 2026 at 9pm, moderate to heavy rainfall exceeding 20mm within 24 hours is expected from 24th October 2026 at 6pm to 30th October 2026 at 9am. Siaya County is among the counties listed as Areas of Concern.
The advisory indicates that peak intensity is expected between 26th and 28th October, with rainfall likely to be accompanied by gusty winds exceeding 25 knots (12.5 m/s) and poor visibility.
Residents of Siaya, particularly those in low-lying areas, near River Nzoia, River Yala and around Lake Victoria are advised to remain vigilant for potential flash floods. KMSA has warned that flood waters may occur in areas where it has not rained heavily, particularly downstream.
For safety, residents are advised to avoid sheltering under trees or near grilled windows during lightning, exercise caution while engaging in any maritime activities in Lake Victoria, and avoid walking or driving through flooded areas.
This advisory was addressed to the Presidency, all Cabinet Secretaries, Kenya Red Cross, National Disaster Operations Centre, Council of Governors and County Directors of Meteorological Services among others.
According to KMSA, other counties that will also receive the rainfall include Kwale, Mombasa, Kilifi, Tana River, Lamu, Garissa, Wajir, Mandera, Marsabit, Isiolo, Migori, Nyamira, Bungoma, Busia, Kakamega, Vihiga, West Pokot, Baringo, Elgeyo Marakwet, Trans Nzoia, Nandi, Uasin Gishu, Nakuru, Kisumu, Homa Bay, Kisii, Kericho, Bomet, Kiambu, Embu, Murang’a, Kirinyaga, Nyandarua, Nyeri, Laikipia, Tharaka-Nithi, Meru, Narok, Kajiado, parts of Nairobi, Taita-Taveta, Kitui, Machakos and Makueni.
