The Kenya Meteorological Service Authority (KMSA) has forecast moderate to heavy rains across several Kenyan counties, including Nairobi, from Sunday, September 13 to Thursday, September 17, 2026.

• Rains are expected primarily in the Coast, Western Kenya, parts of the Rift Valley, and Central Kenya, with most showers occurring in the afternoon.
• The forecast from KMSA also warns of cold weather in several regions, with Nyandarua anticipating the lowest night temperatures around 6°C.
• Specific areas like Mombasa will experience light morning showers, while counties such as Garissa, Mandera, and Marsabit are predicted to get light afternoon showers.

A multiple-vehicle crash involving a truck and two passenger vehicles occurred on the Nairobi-Mombasa Highway on Saturday morning, causing significant traffic buildup. Several casualties are feared.

• The accident happened at Kwa DC, between Salama and Sultan Hamud.
• The Long Distance Drivers and Conductors Association of Kenya (LoDDCA) urged caution to motorists.
• Initial reports suggest the truck lost control and collided with the buses, with the truck driver feared dead.

The Institution of Surveyors of Kenya (ISK) has issued a warning about potential risks to properties due to the anticipated El Niño rains, urging owners and managers to take preventative measures.

• ISK advises property owners to conduct early inspections and maintenance on drainage systems, basements, retaining walls, and roofs to mitigate damage.
• The Kenya Meteorological Service Authority (KMSA) expects above-average rainfall across much of the country from October to December.
• Specific concerns include basement flooding, with recommendations to check sump pumps and restrict access to lower basement parking in flood-prone areas.