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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06 - 13 May 2025

Rainfall

Temperature

Rainfall forecast (anomalies)

Rainfall anomalies

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

Temperature anomalies

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

Mean temperatures

  • High temperatures (> 32℃) expected in parts of southern and eastern Sudan, Afar region in Ethiopia and central Eritrea. 
  • 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, south-western Uganda, central to western Kenya, central and southern Tanzania and central Ethiopia.  
Heat Stress

Heat Stress

  • Elevated heat stress levels expected in most parts of South Sudan, Sudan, Eritrea, Djibouti, with the ‘Danger’ category expected over parts of western Sudan and Afar region in Ethiopia as from Friday 9th.  
Rainfall forecast

Total rainfall

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

Weekly Forecasts

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Heavy rainfall
Heavy rainfall

Rainfall Forecast 12 - 19 May

Headline: Heavy to very heavy rainfall expected over the Kenya - Uganda border, parts of western Darfur region of Sudan, and border areas of Ethiopia - Sudan - South …

12 - 19 May 2021 Read More
Heavy rainfall
Heavy rainfall

Rainfall Forecast 04 - 11 May

Headline: Very heavy to extremely heavy rainfall is expected in parts of South Sudan, Ethiopia, Somalia and Kenya. Stakeholders are requested to alert their networks and take appropriate measures …

4 - 11 May 2021 Read More