28 July - 04 August 2026

Rainfall

Temperature

Rainfall forecast (anomalies)

Rainfall Anomalies

  • More than usual rainfall expected over western to northern parts of Ethiopia, central to north-western Uganda, isolated parts of south-western Sudan, and north-eastern and south-eastern parts of South Sudan
  • Less than usual rainfall expected over southern regions of Sudan, central to western parts of South Sudan, Eritrea, central-eastern parts of Ethiopia, north-eastern Uganda and western regions of Kenya.
Heavy rainfall

Exceptional Rainfall

  • Rainfall exceeding the 90th percentile expected over southern parts of Sudan, western to northern parts of Ethiopia, western parts of Eritrea, and isolated areas in north-eastern and southern South Sudan.
Floods update

Floods

  • Flooding incidences expected over some parts of western to eastern Sudan, western to northern parts of Ethiopia, and pocket areas in western Eritrea.
  • Communities in high-risk areas are advised to exercise caution during this period.
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

  • Elevated temperatures exceeding 32°C expected over Djibouti, nothern part of Sudan, coastal parts of Eritrea, northern coastal regions of Somalia, and north-eastern parts of Ethiopia.
  • Moderate to high temperatures (20-32°C) expected over most parts of the GHA.
  • Mild temperature conditions (less than 20°C) expected over Rwanda, Burundi, central to western regions of Kenya, central to southern Tanzania and central to northern parts of Ethiopia.
Heat Stress

  • Elevated heat stress within the ‘Extreme Caution’ category expected over most parts of South Sudan, Sudan, Eritrea, Djibouti, central to northern Somalia and north-eastern 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, isolated areas along the coastline of Eritrea and a few pockets over northern Sudan.
Rainfall forecast

Total rainfall

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