Heavy rain and storms are forecast for Victoria today after a hottest night on record in Melbourne.
The Bureau of Meteorology has issued a warning about flash flooding and said approximately 80 to 100 mm rain is expected across parts of the state.
The State Emergency Service advises that people should:
* Don't walk, ride or drive through flood water;
* Keep clear of creeks and storm drains;
* Be aware that in fire affected areas, rainfall run-off into waterways may contain debris such as ash, soil, trees and rocks;
* Be alert that in areas recently affected by fires, heavy rainfall increases the potential for landslides and debris across roads;
Heavy rain has already started in Melbourne CBD and parts of Melbourne.
This map below indicates which areas are likely to be affected with severe thunderstorms.

And here's the forecast for the remaining part of the evening:

