Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

Weather Forecast Office, Honolulu, Hawai`i - Forecast programs for public, aviation, satellite, and marine interests for Hawai`i and offshore waters. Aviation responsibilites extend into the North Central Pacific, while Marine responsibilites cover the central North and South Pacific.
Weather Forecast Office, Tiyan, Guam - Forecast programs for public, aviation, and marine interests for Guam, the Northern Marianas Islands, and the Freely Associated States of Micronesia. The office also has Tropical Cyclone warning responsibilities in these areas.
Weather Service Office, Pago Pago, American Samoa - Forecast programs for public and marine interests for American Samoa. The office also has Tropical Cyclone warning responsibilities in the area.
Central Pacific Hurricane Center (CPHC) - Collocated with the Honolulu Weather Forecast Office, CPHC issues all tropical cyclone warnings, watches, advisories, discussions, and statements for tropical cyclones in the Central Pacific from 140 Degrees West Longitude to the International Dateline.
Pacific Tsunami Warning Center (PTWC) - Located on Ford Island on Hawai`i's island of Oahu, PTWC provides tsunami warnings for Hawai`i and most countries in the Pacific Basin as well as other U.S. interests in the Pacific outside of Alaska and the U.S. West Coast.
International Tsunami Information Center (ITIC) - Collocated with Pacfic Region Headquarters, ITIC coordinates the efforts to extend the services of the national tsunami warning system of the United States to the international community in the Pacific basin.
Weather Service Office in The Republic of the Marshall Islands (Majuro), The Federated States of Micronesia (Pohnpei, Chuuk, and Yap), and The Republic of Palau (Koror) - Surface and Upper Air Observing Programs and local forecast and warning.

Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

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