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.
30 September - 07 October 2025
Rainfall
Temperature
Rainfall anomalies
- More than usual rainfall expected over most parts of South Sudan, Uganda, northern Burundi, Rwanda, parts of northern Somalia and western Kenya.
- Less than usual rainfall expected over southern Ethiopia and central to southern Somalia.
Temperature anomalies
- Warmer than usual temperatures expected over most parts of the GHA.
- Cooler than average temperatures expected over eastern and northern regions of South Sudan.
- Rainfall exceeding the 90th percentile (the highest 10% on record) expected over areas in central to northern South Sudan, western Ethiopia, northern Somalia and central to northern Uganda.
- There is a likelihood of Flooding incidences over the flood prone areas in north-central Uganda, central to north-central parts of South Sudan, and pockets in western Ethiopia.
Mean temperatures
- High temperatures (>32℃) expected in Afar region in Ethiopia.
- Moderate to high temperatures (20-32℃) expected over most parts of Sudan, South Sudan, Eritrea, Djibouti, Somalia, eastern Ethiopia, eastern and northern Kenya, Uganda and Tanzania.
- Mild temperature conditions (less than 20℃) expected over central Ethiopia, central to south-western Kenya, and western regions of both Rwanda and Burundi.
Heat Stress
- Elevated heat stress levels expected in parts of the Red Sea coast, Afar region in Ethiopia, and most parts of central to eastern Sudan.
Total rainfall
- Heavy rainfall (above 200mm) expected over parts of central to northern South Sudan and western Ethiopia.
- Moderate rainfall (50-200mm) expected in most parts of Rwanda, Uganda, northern Burundi, western Kenya, South Sudan, western Kenya and northern Somalia.
- Light rainfall (less than 50 mm) expected in parts of southern Sudan, eastern Ethiopia, central to southern Somalia, southern and eastern Tanzania.
Weekly Forecasts
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Temperature forecast
Mean temperatures
- High temperatures (above 32℃) expected over central to northern Sudan, Djibouti, Eritrea, north-eastern Ethiopia, and parts of north-western Somalia.
- Moderate to high temperatures (20-32℃) expected over most parts of South Sudan, Somalia, eastern …
Floods update
Floods Update
- The expected heavy rainfall over parts of southern Sudan, western Ethiopia and western South Sudan is likely to lead to flooding in these areas.
- Communities in the areas at risk are advised …
Floods update
Floods Update
- The expected heavy rainfall likely to lead to flooding in flood-prone areas of eastern South Sudan into south-western Ethiopia and western Kenya.
Temperature forecast
Mean temperatures
- High temperatures (above 32℃) expected over most parts of Sudan, Djibouti, Eritrea, north-eastern Ethiopia, and parts of north-western Somalia.
- Moderate to high temperatures (20-32℃) expected over most parts of South Sudan, southern Sudan, …
Temperature forecast (Anomalies)
Temperature anomalies
- Warmer than usual temperatures predicted over most parts of the GHA.
- Cooler than usual temperatures predicted over eastern parts of South Sudan.
Heavy rainfall
Exceptional rainfall
- Heavy rainfall (exceeding the top 10% on record) expected in the eastern South Sudan into south-western Ethiopia and western Kenya.