22 - 29 September 2026

Rainfall

Temperature

Rainfall forecast (anomalies)

Rainfall Anomalies 

  • More than usual rainfall expected over some areas in southern Sudan, northern Somalia and over central to western Ethiopia.
  • Less than usual rainfall expected over western, central to south-eastern parts of Ethiopia, central to western Kenya, central Somalia and most parts of South Sudan, Uganda and Rwanda.
Rainfall forecast (anomalies)

Rainfall Anomalies 

  • More than usual rainfall expected over some areas in southern Sudan, northern Somalia and over central to western Ethiopia.
  • Less than usual rainfall expected over western, central to south-eastern parts of Ethiopia, central to western Kenya, central Somalia and most parts of South Sudan, Uganda and Rwanda.
Heavy rainfall

Exceptional Rainfall 

  • Rainfall exceeding the 95th percentile expected over few areas in northern Somalia.
Heavy rainfall

Exceptional Rainfall 

  • Rainfall exceeding the 95th percentile expected over few areas in northern Somalia.
Temperature forecast (Anomalies)

Temperature anomalies

  • Warmer than usual temperatures expected over most parts of the GHA.
  • Cooler than usual temperatures expected over a few isolated regions across the GHA.
Temperature forecast (Anomalies)

Temperature anomalies

  • Warmer than usual temperatures expected over most parts of the GHA.
  • Cooler than usual temperatures expected over a few isolated regions across the GHA.
Temperature forecast

Mean Temperature

  • Elevated temperatures exceeding 32°C expected over central to northern parts of Sudan, isolated areas in western Eritrea and isolated areas in north-eastern parts of Ethiopia.
  • Moderate to high temperatures (20-32°C) expected over most parts of the region.
  • Mild temperature conditions (less than 20°C) expected over central to western regions of Kenya, central to southern Tanzania and central to northern parts of Ethiopia and western regions of both Rwanda and Burundi.
Temperature forecast

Mean Temperature

  • Elevated temperatures exceeding 32°C expected over central to northern parts of Sudan, isolated areas in western Eritrea and isolated areas in north-eastern parts of Ethiopia.
  • Moderate to high temperatures (20-32°C) expected over most parts of the region.
  • Mild temperature conditions (less than 20°C) expected over central to western regions of Kenya, central to southern Tanzania and central to northern parts of Ethiopia and western regions of both Rwanda and Burundi.
Rainfall forecast

Total Rainfall 

  • Moderate rainfall (50-200 mm) expected over western parts of Ethiopia, southwestern parts of Sudan and isolated areas over both western Uganda and northern Somalia.
  • Light rainfall (less than 50 mm) expected over most parts of Somalia, Ethiopia, central to western and coastal parts of Kenya, eastern and southern Tanzania, southern regions of Sudan, central to western parts of Uganda and most parts of South Sudan.
Rainfall forecast

Total Rainfall 

  • Moderate rainfall (50-200 mm) expected over western parts of Ethiopia, southwestern parts of Sudan and isolated areas over both western Uganda and northern Somalia.
  • Light rainfall (less than 50 mm) expected over most parts of Somalia, Ethiopia, central to western and coastal parts of Kenya, eastern and southern Tanzania, southern regions of Sudan, central to western parts of Uganda and most parts of South Sudan.
Heat Stress

Heat stress

  • Elevated heat stress within the ‘Extreme Caution’ category expected over most parts of South Sudan, Sudan, Eritrea, Djibouti, Somalia, some parts of Eastern Kenya and northeastern regions of Ethiopia. Elevated heat stress within the ‘Danger’ category expected over parts of the Afar region in Ethiopia extending into parts of central Eritrea and isolated areas along the coastline of Eritrea.