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.
20 - 27 October 2026
Rainfall
Temperature
Rainfall Anomalies
- More than usual rainfall expected over western and northern parts of South Sudan, south-eastern Ethiopia, central Somalia, south-western Uganda, western Rwanda and isolated areas in Kenya and Burundi.
- Less than usual rainfall expected over central to south-western Ethiopia, southern Somalia, Kenya, southern South Sudan, most parts of Uganda, Burundi and Tanzania.
Exceptional Rainfall
- Rainfall exceeding the 90th expected over south-eastern Ethiopia, central Somalia, south-western Uganda, and isolated areas in central Kenya.
Floods
- Flooding incidences expected over some parts of central Somalia, areas in south-eastern Ethiopia, and south-western Uganda.
Temperature anomalies
- Warmer than usual temperatures expected over most parts of the GHA.
- Cooler than usual temperatures expected over north-western parts of Sudan and few isolated regions across the GHA.
Temperature
- Elevated temperatures exceeding 32°C expected over a small area in south eastern part of Sudan and 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 Tanzania, central to northern parts of Ethiopia and western regions of Rwanda and Burundi.
Total rainfall
- Moderate rainfall (50-200 mm) expected over central to western parts of South Sudan, south-eastern Ethiopia, central to south-western Uganda, Rwanda, Burundi, and isolated areas in central Kenya and north-western Tanzania.
- Light rainfall (less than 50 mm) expected over most parts of South Sudan, southern Ethiopia, most parts of Kenya and Somalia, eastern Uganda, eastern and north-western Tanzania.
Heat stress
- Elevated heat stress within the ‘Extreme Caution’ category expected over most parts of South Sudan, Sudan, Eritrea, Somalia, some parts of Eastern Kenya, some parts of north-eastern Ethiopia and some parts of southern Tanzania.
Weekly Forecasts
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Heat Stress
- Elevated heat stress in the Danger category expected over the northern regions of South Sudan and south-eastern parts of Sudan, as well as eastern parts of both Tanzania, Kenya and south-western parts of Somalia.
Rainfall forecast (anomalies)
Rainfall anomalies
- More than usual rainfall expected over most of southern Tanzania, central to southern Ethiopia, western and northern parts of South Sudan into southern parts of Sudan.
- Less than usual rainfall expected most parts …
Rainfall forecast
- Light rainfall expected over parts of southern and northern Somalia.
Temperature forecast (Anomalies)
Temperature anomalies
- Warmer than usual temperatures expected over most parts of the GHA.
- Cooler than usual temperatures expected over most highland regions across the GHA.
Heavy rainfall
Exceptional rainfall
- Rainfall exceeding the 90th percentile expected over parts of southern Tanzania and isolated areas in central to southern Ethiopia.
Heavy rainfall
Exceptional rainfall
- Rainfall exceeding the 90th percentile expected over parts of southern and north-eastern Ethiopia.