Weekly Forecast
At ICPAC we use the Weather Research and Forecasting Model (WRF) to produce our forecasts in a resolution of 10 x 10 Km. Our weekly forecasts are very popular and help stakeholders prepare for extreme weather, and mitigate risks associated with floods, drought or heavy rainfall.
21 - 28 July 2026
Rainfall
Temperature
Rainfall anomalies
- More than usual rainfall expected over south-western parts of Sudan, western to northern parts of Ethiopia, northern Uganda and central to western areas in South Sudan.
- Less than usual rainfall expected over southern regions of Sudan, western Eritrea, central to eastern Uganda and western regions of Kenya.
Exceptional rainfall
- Rainfall exceeding the 90th percentile expected over parts western to eastern Sudan, western to northern parts of Ethiopia, western parts of Eritrea, isolated areas in central, western and southern South Sudan.
Floods update
- Flooding incidences expected over some parts of western to eastern Sudan, western to northern parts of Ethiopia, with pocket areas in western Eritrea, some areas in central, western and southern South Sudan.
- Communities in high-risk areas are advised to exercise caution during this period.
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.
Mean temperatures
- Elevated temperatures exceeding 32°C expected over Djibouti, central to eastern parts of Sudan, coastal parts of Eritrea, northern coastal regions of Somalia, and north-eastern parts of Ethiopia.
- Moderate to high temperatures (20-32℃) expected over most parts of the GHA.
- Mild temperature conditions (less than 20℃) 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.
Total rainfall
- Heavy rainfall (greater than 200 mm) expected over western to northern parts of Ethiopia and isolated areas in south-western Sudan and northern South Sudan.
- Moderate rainfall (50-200 mm) expected over parts of southern Sudan, most parts of South Sudan, northern 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, southern Kenya, southern Somalia, central regions of Sudan, and some parts of eastern Ethiopia.
Weekly Forecasts
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Rainfall forecast (anomalies)
Rainfall anomalies
- Wetter than usual conditions expected over Uganda, northern and southern regions of Somalia, eastern Rwanda and Burundi, central to southern Tanzania, south-western Kenya, southern South Sudan and parts of western and eastern Ethiopia. …
Heavy rainfall
Exceptional rainfall
- Heavy to very heavy rainfall expected in northern Somalia, central to northern Tanzania and eastern regions of Rwanda and Burundi.
Heat Stress
Heat Stress
- Elevated levels of heat stress are likely in coastal regions of Tanzania, Kenya and southern Somalia, as well as regions in northern and eastern South Sudan and south-eastern Sudan.
Temperature forecast (Anomalies)
Temperature anomalies
- Warmer than usual temperatures predicted in most parts of the region.
- Cooler than usual temperatures forecast over isolated regions across the GHA.
Rainfall forecast
- Moderate rainfall (50-200mm) expected in northern parts of the country.
- Light rainfall (less than 50mm) to dry conditions expected over most parts of the country.
Floods update
- Riverine and flash floods were observed over parts of Kenya, Somalia, Uganda, Tanzania and Ethiopia in the past week. Given the heavy to very heavy rainfall forecast in the coming week over parts of Rwanda, …