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.

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29 April - 06 May 2025

Rainfall

Temperature

Rainfall forecast (anomalies)

Rainfall anomalies

  • More than usual rainfall expected over most parts of South Sudan, western Ethiopia, eastern Kenya, central to southern Somalia, northern and southern Tanzania.  
  • Less than usual rainfall expected over parts of western Kenya, central Uganda, northern Somalia, and south-eastern Ethiopia. 
Temperature forecast (Anomalies)

Temperature anomalies

  • Warmer than usual temperatures expected over most parts of the Tanzania, Burundi, Rwanda, Uganda, Kenya, Somalia, Ethiopia, Eritrea, western South Sudan and central to southern parts of Sudan.  
  • Cooler than usual temperatures expected over parts of northern Sudan, and eastern South Sudan. 
Heavy rainfall
  • Rainfall exceeding the 90th percentile (the highest 10% on record)expected over parts of southern Tanzania, southern and eastern Kenya, southern Somalia, and southern Ethiopia. 
Floods update
  • There is a likelihood of isolated flash flood over the flood prone areas in southern Kenya, southern Tanzania, south-western Somalia and western Ethiopia.
Temperature forecast

Mean temperatures

  • High temperatures (> 32℃) expected in parts of southern Sudan.
  • Moderate to high temperatures (20-32℃) expected over most parts Sudan, South Sudan, Eritrea, Djibouti, Somalia, Uganda, Kenya, and Tanzania. 
  • Mild temperature conditions (less than 20℃) expected over most parts of Burundi, Rwanda, central to western Kenya, and central Ethiopia.  
Heat Stress

Heat Stress

  • Elevated heat stress levels expected in parts of southern regions of Sudan and northern regions of South Sudan.  
Rainfall forecast

Total rainfall

  • Heavy rainfall (> 200mm) expected in parts of southern Tanzania. 
  • Moderate rainfall (50-200mm) expected in most parts of South Sudan, Uganda, Rwanda, Burundi, southern and north-eastern Tanzania, southern and eastern Kenya, central to southern Somalia, and central to western Ethiopia.   
  • Light rainfall (less than 50 mm) expected over parts of central Tanzania, central to north-western Kenya, eastern Ethiopia, north-western Somalia, and parts of southern Sudan.

Weekly Forecasts

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Heavy rainfall
Heavy rainfall
  • Rainfall exceeding the 90th percentile (the highest 10% on record)expected over parts of northern and southern Tanzania. 
28 - 4 April 2025 Read More
Heavy rainfall
Heavy rainfall
  • Rainfall exceeding the 90th percentile (the highest 10% on record)expected over parts of northern and southern Tanzania. 
28 - 4 April 2025 Read More
Rainfall forecast (anomalies)
Rainfall forecast (anomalies)

Rainfall anomalies

  • More than usual rainfall expected most parts of Tanzania, northern and western South Sudan, western Ethiopia, south-western Somalia and coastal regions of Kenya. 
  • Less than usual rainfall expected over parts of western Kenya, …
28 - 4 April 2025 Read More