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.
23-30 December 2025
Rainfall
Temperature
Rainfall anomalies
- More than usual rainfall expected most parts of Rwanda and Burundi, and a few places in southern Tanzania.
- Less than usual rainfall expected most over parts of Tanzania and coastal regions of Kenya.
Temperature anomalies
- Warmer than usual temperatures expected over most parts of the GHA.
- Rainfall exceeding the 90th percentile expected over isolated areas in southern Tanzania.
Mean temperatures
- Moderate to high temperatures (20-32℃) expected over most parts of the GHA.
- Mild temperature conditions (less than 20℃) expected over western regions of Rwanda and Burundi, central to western Kenya, parts of northern Somalia, north-western Sudan and most parts of central to northern Ethiopia.
Heat Stress
- Dangerous heat stress expected in parts of eastern Tanzania and with elevated levels in most parts of South Sudan, eastern Kenya, and southern Somalia.
Total rainfall
- Moderate rainfall (50-200mm) expected over central to southern Tanzania, Rwanda, and Burundi.
- Light rainfall (less than 50 mm) expected over northern Tanzania, south-western parts of Uganda, south-western Kenya, south-western Ethiopia, southern South Sudan and coastal areas of northern Somalia.
Weekly Forecasts
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Heavy rainfall
- Rainfall exceeding the 90th percentile expected over western parts of Rwanda.
Rainfall forecast (anomalies)
Rainfall anomalies
- More than usual rainfall expected over central to south-western regions of Uganda and Rwanda.
- Less than usual rainfall expected over eastern and southern Kenya, part of central to southern Somalia, Tanzania, and most …
Heat Stress
Heat Stress
- Elevated heat stress levels expected in most parts of South Sudan, parts of southern Somalia, eastern and coastal parts of Kenya and south-eastern and coastal areas of Tanzania
Temperature forecast
- Moderate temperatures (20-28℃) expected over most parts of Somalia.
- Mild temperatures (less than 20℃) expected over areas in the northern regions.
Rainfall forecast (anomalies)
Rainfall anomalies
- More than usual rainfall expected over parts of eastern Kenya and southern Somalia.
- Less than usual rainfall expected over most parts of Tanzania, Rwanda, Uganda and Kenya.
Heavy rainfall
- Rainfall exceeding the 90th percentile expected over most parts of north-eastern Kenya.