Greater Manchester Fire and Rescue Service say they have received 120 emergency calls in just two hours as heavy rain has caused flooding in the region.
They have warned people to only dial 999 in an emergency as there is a "high volume" of weather-related calls.
A spokesman said: "Greater Manchester Fire and Rescue Service's (GMFRS) control operators are receiving a high volume of weather-related calls this evening (Monday) and we ask that people only dial 999 in an emergency.
"In a two hour period (4pm to 6pm) 120 emergency calls were made by people - mostly reporting flooding and weather-related issues."
A windy day across the UK with sunshine in the north and cloud in the south.
Homeowners and businesses affected by the severe weather are being advised to contact their insurer as soon as possible.
Tuesday will be a largely cloudy day with some showers and highs of 12 Celsius (54F).