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Marine Weather Statement — Stephens Passage Severity: Minor. Certainty: Observed. The Mendenhall River is experiencing a glacier lake outburst flood and as a result of the release, debris in the water remains possible on the Mendenhall River, extending down into Stephens Passage,

Flash Flood Watch — Upper Snake River Plain Severity: Severe. Certainty: Possible. * WHAT...Flash flooding and debris flows caused by excessive rainfall continue to be possible over the Big Rock burn scar. * WHERE...The Big Rock burn scar near Heise. * WHEN...From Thursday afte

Flood Warning — City and Borough of Juneau Severity: Severe. Certainty: Likely. Mendenhall Lake gauge levels, along with USGS imagery from Suicide Basin and water levels within the basin, indicate that the basin is continuing its release of water into Mendenhall Lake and River. L

Small Craft Advisory — Maalaea Bay; Pailolo Channel; Alenuihaha Channel; Big Island Leeward Waters; Big Island Southeast Waters Severity: Minor. Certainty: Likely. * WHAT...Northeast winds 15 to 25 kt, except north winds in Maalaea Bay. * WHERE...Maalaea Bay, Pailolo Channel, Al

Special Weather Statement — Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East Severity: Moderate. Certainty: Observed. WHAT...An episodic fountaining eruption is occurring within the Kilauea summit caldera. Fountaining episodes typica

Flood Warning — Dearborn, IN; Franklin, IN; Hamilton, OH Severity: Severe. Certainty: Observed. ...The Flood Warning is extended for the following rivers... Whitewater River at Brookville. * WHAT...Minor flooding is forecast. * WHERE...Whitewater River at Brookville. * WHEN..

Special Weather Statement — Yukon Flats; White Mountains and High Terrain South of the Yukon River; Fortymile Country; Upper Tanana Valley; Delta Junction; Upper Chena River Valley; Tanana Flats; Eielson AFB and Salcha; Goldstream Valley and Nenana Hills; Chatanika River Valley;

Small Craft Advisory — Tinian Coastal Waters; Saipan Coastal Waters Severity: Minor. Certainty: Likely. * WHAT...Southwest winds 15 to 20 kt with gusts to 25 kt and seas 7 to 10 feet. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...Until 5 PM ChST Thursday. * IMPACTS...Co

Small Craft Advisory — Bristol Bay greater than 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction ex

Small Craft Advisory — Sitkinak to Castle Cape from 15 to 100 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and d

Small Craft Advisory — Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predo

Small Craft Advisory — Sitkinak to Castle Cape out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direct

Small Craft Advisory — Seguam to Adak Bering Side from 15 to 85 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and

Small Craft Advisory — Kuskokwim Delta from 15 to 80 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction

Small Craft Advisory — Kuskokwim Delta and Etolin Strait out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed

High Surf Advisory — Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai West; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakal

Small Craft Advisory — Port Heiden to Nelson Lagoon from 15 to 60 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed a

Small Craft Advisory — Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predo

Small Craft Advisory — Shelikof Strait Severity: Minor. Certainty: Likely. Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts re

Small Craft Advisory — Marmot Island to Sitkinak out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction exp

Small Craft Advisory — Barren Islands East Severity: Minor. Certainty: Likely. Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecast

Small Craft Advisory — Gore Point to Marmot Island from 15 to 80 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and directi

Small Craft Advisory — Marmot Island To Sitkinak from 15 to 85 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction

Small Craft Advisory — West of Barren Islands Including Kamishak Bay Severity: Minor. Certainty: Likely. Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direct

Hydrologic Outlook — Hawaii in Hawaii, HI; Oahu in Honolulu, HI; Kauai, HI; Maui, HI Severity: Unknown. Certainty: Possible. ESFHFO The latest forecast for Potential Tropical Cyclone One-C takes the system over the state as a strong tropical storm. While One-C is expected to mov

High Surf Advisory — Guam; Rota; Tinian; Saipan Severity: Minor. Certainty: Likely. * WHAT...Large breaking waves of 8 to 11 feet and dangerous rip currents expected. * WHERE...West facing reefs of the Marianas. * WHEN...Until 4 AM ChST Friday. * IMPACTS...Dangerous swimming a

Rip Current Statement — Guam; Rota; Tinian; Saipan Severity: Moderate. Certainty: Likely. * WHAT...Large breaking waves of 8 to 11 feet and dangerous rip currents expected. * WHERE...West facing reefs of the Marianas. * WHEN...Until 4 AM ChST Friday. * IMPACTS...Dangerous swim

High Surf Advisory — Kosrae Severity: Minor. Certainty: Likely. * WHAT...Large breaking waves of 6 to 8 feet. * WHERE...South facing reefs of Kosrae. * WHEN...Until 3 AM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITI

Heat Advisory — Western Arctic Plains; Central Arctic Plains Severity: Moderate. Certainty: Likely. * WHAT...Hot temperatures as high as 80 degrees. * WHERE...Central Arctic Plains and Western Arctic Plains. * WHEN...From 1 PM to 10 PM AKDT Thursday. * IMPACTS...Individuals no

Air Quality Alert — Benton, WA; Columbia, WA; Franklin, WA; Kittitas, WA; Walla Walla, WA; Yakima, WA Severity: Unknown. Certainty: Unknown. The Washington State Department of Ecology, Benton Clean Air Agency, and the Yakima Regional Clean Air Agency have issued an Air Quality Al

Air Quality Alert — Crook, OR; Jefferson, OR; Union, OR; Wallowa, OR; Wasco, OR Severity: Unknown. Certainty: Unknown. Oregon Department of Environmental Quality has issued an Air Quality Advisory until at least 3 PM PDT Friday. DEQ expects the air quality advisory to last until

Small Craft Advisory — Waters from Florence to Cape Blanco OR from 10 to 60 nm Severity: Minor. Certainty: Likely. * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas 5 to 8 ft at 7 seconds. * WHERE...All of the area. * WHEN...Until 11 AM PDT Friday. * IMPACTS...G

Small Craft Advisory — Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm Severity: Minor. Certainty: Likely. * WHAT...For the Gale Warning, north winds 25 to 35 kt with gusts up to 40 kt and seas 8

Small Craft Advisory — Coastal waters from Florence to Cape Blanco OR out 10 nm Severity: Minor. Certainty: Likely. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 5 to 7 ft at 7 seconds. * WHERE...All of the area. * WHEN...Until 2 AM PDT Thursday. * IMPACTS..

Gale Warning — Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm Severity: Moderate. Certainty: Likely. * WHAT...For the Gale Warning, north winds 25 to 35 kt with gusts up to 40 kt and seas 8 to 13

Extreme Heat Warning — Atchison; Leavenworth; Wyandotte; Johnson; Platte; Clay; Ray; Carroll; Chariton; Randolph; Jackson; Lafayette Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values between 105 and 110. * WHERE...Portions of east ce

Extreme Heat Warning — Miami; Linn; Saline; Howard; Cass; Johnson; Pettis; Cooper; Bates; Henry Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values between 105 and 110. * WHERE...In Kansas, Linn KS and Miami Counties. In Missouri, Coop

Heat Advisory — Doniphan; Holt; Andrew; De Kalb; Daviess; Grundy; Buchanan; Clinton; Caldwell; Livingston Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 106. * WHERE...In Kansas, Doniphan County. In Missouri, Caldwell, Daviess, Grundy, Livingston, Andrew

Coastal Flood Advisory — Northern Coastal Humboldt Severity: Minor. Certainty: Likely. * WHAT...High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and

Red Flag Warning — Upper Snake River Valley/Idaho Falls BLM; Centennial Mountains and Snake River Range/Targhee NF; Caribou Range/Caribou NF; Sawtooth Range/Northern Sawtooth NF; Middle Snake River Valley/Twin Falls BLM north of the Snake River; Goose Creek and Raft River Valley/

Red Flag Warning — Northern Boise BLM; Western Payette National Forest; Eastern Payette National Forest; Northern Boise National Forest; Treasure Valley BLM; Southern Boise/Western Sawtooth NF, including the Camas Prairie; Owyhee Mountains; Western Twin Falls BLM; Southern Highla

Red Flag Warning — Baker Valley Severity: Severe. Certainty: Likely. ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY... A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday morning. Lingering dry surface ai

Red Flag Warning — Central Canyonlands; Northwestern Vale BLM Severity: Severe. Certainty: Likely. ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY... A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday mor

Red Flag Warning — Burns BLM; Steens Mountain Severity: Severe. Certainty: Likely. ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY... A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday morning. Lingering

Extreme Heat Warning — Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot condi

Heat Advisory — Greene; Macoupin; Montgomery; Bond; Fayette; Marion; Calhoun; Jersey; Monroe; Ralls; Pike; Audrain; Lincoln Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 109. * WHERE...Portions of south central and southwest Illinois and central, east c

Extreme Heat Warning — Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...Crawford MO, Washington MO, Iron MO, Madison MO, Reynolds MO, S

Heat Advisory — Jefferson; Wayne; Edwards; Wabash; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves

Extreme Heat Warning — Perry Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 112. * WHERE...Perry County Illinois. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme hea

Extreme Heat Warning — Jefferson; Wayne; Edwards; Wabash; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken;