The Meteorological Services Department said flash floods are likely to occur in Mashonaland Central and Mashonaland West provinces in the north of the country due to the expected downpour.
Heavy rains have pummelled the country since last week, damaging roads and bridges in some areas.
Floods have been a double-edged sword for long-suffering Zimbabweans over the past few years, destroying crops and life in their wake.
Too much rain has meant reduced crop yields and more food shortages for the southern African country.
The floods are common in the Muzarabani area of Mashonaland Central near the border with Zambia as well as in the southern Masvingo Province.