蒙大拿州格拉斯哥国家气象局于9月19日凌晨2:01（山区夏令时）发布洪水预警,有效期至9月20日下午6:00（山区夏令时）。
* 内容……由过量降雨引发的洪水可能发生。* 地点……蒙大拿州东北部部分地区，包括以下县：道森县、加菲尔德县、石油县、草原县和威博县。* 时间……从……
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of northeast Montana, including the following counties, Dawson, Garfield, Petroleum, Prairie and Wibaux.
* WHEN...From 6 AM MDT this morning through Sunday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS... - Heavy rain is expected along and south of MT 200 between Winnett, Jordan and Glendive and south of I 94 between Glendive and Wibaux today, tonight, and Sunday morning. Between one and two inches of rain is likely with heavier rain possible in embedded thunderstorms. - http://www.weather.gov/safety/flood
Affected area: Petroleum; Garfield; Dawson; Prairie; Wibaux