Tributary, Idaho

* WHAT...Flooding caused by excessive rainfall is possible. Storm total rainfall amounts of 1-2 inches are possible across the area with localized amounts closer to 3 inches possible in spots. * WHERE...Portions of central, eastern, south central, and southeast Idaho, including the following areas, in central Idaho, Sun Valley Region and Wood River Foothills. In eastern Idaho, Beaverhead - Lemhi Highlands, Big Hole Mountains, Centennial Mountains - Island Park and Teton Valley. In south central Idaho, Eastern Magic Valley and Shoshone/Lava Beds. In southeast Idaho, Arco/Mud Lake Desert, Bear Lake Valley, Bear River Range, Blackfoot Mountains, Caribou Range, Franklin/Eastern Oneida Region, Lower Snake River Plain, Marsh and Arbon Highlands, Raft River Region, Southern Hills/Albion Mountains and Upper Snake River Plain. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A prolonged period of rainfall is expected across eastern Idaho throughout the weekend which could lead to some flooding across parts of the advised area. An upper low moving into the Pacific Northwest will combine with tropical moisture from Tropical Cyclone Rachel to usher in a cooler, wetter weather pattern across eastern Idaho. - http://www.weather.gov/safety/flood You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.