Flash floods occurred in several parts of Mongolia due to prolonged heavy rainfall which has lasted from 17 June 2020; unfortunately, the forecast is that the bad weather will continue until the end of July. The abnormal rainfall has averaged 33-39 millimeters across the country with the highest total precipitation of 69 millimeters in Dzuunmod in Töv Province on 21 June 2020 and 85 millimeters in Khutagt Soum in Bulgan province on 8 July 2020.

On 3-4 July, flash floods triggered by heavy rain were reported over parts of Mongolia, resulting in fatalities and damage. Media report that 5 people died in Ömnögovi Province (central south Mongolia), and 3 fatalities occurred in Sükhbaatar Province (east Mongolia). Flash floods affected Töv, Khövsgöl, and Khentii provinces, causing damage to approximately 2,360 houses, and killing 7,000 animals.

Flash floods have been occurring across the country at different scales due to prolonged heavy rain fall since middle of June and are continuing till the present. The rainfall is averaged from 50 to 60 millimeters across the country and the highest precipitation of 85 millimeters recorded in Bulgan province on 8 July 2020. Since 17 June, heavy rain and the resulting flash floods have damaged over 3,000 households and public infrastructure such as roads, bridges, and electricity sub-stations. Several major roads connecting the following cities and towns have been severely damaged: i) Khövsgöl to Bulgan province; ii) Töv province to Ulaanbaatar; iii) Arkhangai to Zavkhan province, and iv) Murun to Khatgal soum in Khövsgöl province. As of 16 July, these roads are being repaired and beginning to be accessible for transportation. In Uvs province, 556 people are stranded due to flash floods and have been sheltering in school dorms and hotels in Sagil soum.