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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Temperature forecast
Mean temperatures
- High temperatures (> 32℃) expected in northern Sudan, the Red Sea coastal regions, north-eastern Ethiopia, Djibouti, and north-western Somalia.
- Moderate to high temperatures (20-32℃) expected over most parts Somalia, eastern Ethiopia, central to …
Rainfall forecast
Total rainfall
- Moderate rainfall (50-200mm) expected in western Ethiopia, South Sudan, southern areas of Sudan, northern Uganda, and around the Lake Victoria Basin in Kenya.
- Light rainfall (less than 50 mm) expected over central to …
Heavy rainfall
- Rainfall exceeding the 90th percentile (the highest 10% on record)expected over north-western Kenya, parts of central to eastern South Sudan, most parts of western Sudan, central to western Ethiopia, and western Eritrea.
Temperature forecast (Anomalies)
Temperature anomalies
- Warmer than usual temperatures expected over Sudan, central to western South Sudan, northern Somalia, central to western Kenya, Uganda, Tanzania, Rwanda, Burundi, most parts of Ethiopia, Eritrea, and Djibouti.
- Cooler than usual temperatures …
Heavy rainfall
- Rainfall exceeding the 90th percentile (the highest 10% on record)expected parts of southern Sudan, central to eastern South Sudan, western and northern Ethiopia, western Eritrea, and eastern Uganda into western Kenya.
Heavy rainfall
- Rainfall exceeding the 90th percentile (the highest 10% on record)expected parts of southern Sudan, central to eastern South Sudan, western and northern Ethiopia, western Eritrea, and eastern Uganda into western Kenya.