Active Weather Alerts
Flood Advisory
Issued: 12:25 AM Jun. 17, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 915 PM MDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Montana, including the following counties, north central Big Horn and southeastern Yellowstone. * WHEN...Until 930 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. * ADDITIONAL DETAILS... - At 622 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1.5 and 2.5 inches of rain have fallen. - This includes the following streams and drainages north of Interstate 90... Arrow Creek, Sand Creek, Spring Creek, Lost Boy Creek, Hay Creek, Fly Creek, Lone Tree Coulee, Tenmile Creek and Deer Creek. Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Mainly rural areas of North Central Big Horn and Southeastern Yellowstone Counties. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Do not drive on or attempt to cross flooded roads, find an alternate route. Roads and driveways may be damaged or washed out in places. Please report observed flooding to local emergency officials and request they pass the information to the National Weather Service in Billings. &&
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