us-gov-api

Small Craft Advisory — Castle Cape to Cape Tolstoi 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 a

Small Craft Advisory — Adak to Kiska Pacific Side 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 expect

Small Craft Advisory — Cape Tolstoi to Unalga Pass 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 a

Small Craft Advisory — Nikolski to Seguam Pacific Side from 15 to 75 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 spee

Small Craft Advisory — Nikolski to Seguam Bering Side 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

Small Craft Advisory — Kiska to Attu Pacific Side 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 expect

Small Craft Advisory — Seguam to Adak Pacific Side 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 di

Heat Advisory — Western Chippewa; Central Chippewa; Southeast Chippewa; Western Mackinac; Eastern Mackinac Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 100 expected. * WHERE...Central Chippewa, Eastern Mackinac, Southeast Chippewa, Western Chippewa, an

Heat Advisory — Cheboygan; Presque Isle; Montmorency; Alpena; Oscoda; Alcona; Ogemaw; Iosco; Gladwin; Arenac Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 105 expected. * WHERE...Alcona, Alpena, Arenac, Cheboygan, Gladwin, Iosco, Montmorency, Ogemaw, Os

Heat Advisory — Emmet; Leelanau; Antrim; Otsego; Benzie; Grand Traverse; Kalkaska; Crawford; Manistee; Wexford; Missaukee; Roscommon; Mackinac Island/Bois Blanc Island; Beaver Island and surrounding islands; Charlevoix Severity: Moderate. Certainty: Likely. * WHAT...Heat index va

Severe Thunderstorm Watch — Blue Earth, MN; Brown, MN; Carver, MN; Dakota, MN; Faribault, MN; Freeborn, MN; Goodhue, MN; Hennepin, MN; Le Sueur, MN; Martin, MN; Nicollet, MN; Ramsey, MN; Rice, MN; Scott, MN; Sibley, MN; Steele, MN; Waseca, MN; Washington, MN; Watonwan, MN; Chippe

Small Craft Advisory — Point Betsie to Sleeping Bear Point MI; Manistee to Point Betsie MI Severity: Minor. Certainty: Likely. * WHAT...Highest gusts up to 30 kts from the south and highest waves around 5 feet. * WHERE...Point Betsie to Sleeping Bear Point MI and Manistee to Poi

Small Craft Advisory — Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI; Seul Choix Point to 5NM West of Mackinac Bridge; Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay; Sleeping Bear Point to Grand Traverse Light MI Severity: Minor.

Small Craft Advisory — Sturgeon Pt to Alabaster MI Severity: Minor. Certainty: Likely. * WHAT...Highest gusts up to 25 kts from the southwest and highest waves around 3 feet expected. * WHERE...Sturgeon Pt to Alabaster MI. * WHEN...From noon today to 8 PM EDT this evening. * I

Extreme Heat Warning — Ottawa; Sandusky; Erie; Lorain; Cuyahoga; Lake; Geauga; Ashtabula Inland; Seneca; Huron; Medina; Summit; Portage; Trumbull; Wyandot; Crawford; Richland; Ashland; Wayne; Stark; Mahoning; Marion; Morrow; Holmes; Knox; Ashtabula Lakeshore Severity: Severe. Cer

Heat Advisory — Lucas; Wood; Hancock Severity: Moderate. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 104. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. * WHERE...Hancock, Lucas, and Wood Countie

Heat Advisory — Northern Erie; Southern Erie; Crawford Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 104 expected. * WHERE...Crawford, Northern Erie, and Southern Erie Counties. * WHEN...From noon today to 8 PM EDT Thursday. * IMPACTS...Hot temperatur

Extreme Heat Warning — Lucas; Wood; Hancock Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 104. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. * WHERE...Hancock, Lucas, and Wood Co

Small Craft Advisory — Holland to Grand Haven MI; Grand Haven to Whitehall MI; Whitehall to Pentwater MI; Pentwater to Manistee MI Severity: Minor. Certainty: Likely. * WHAT...South winds 15 to 25 knots and waves 2 to 5 feet. * WHERE...Holland to Manistee. * WHEN...Until 8 PM E

Beach Hazards Statement — Mason; Oceana; Muskegon; Ottawa Severity: Moderate. Certainty: Likely. * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon and Ottawa counties.

Extreme Heat Warning — Midland; Bay; Huron; Saginaw; Tuscola; Sanilac; Shiawassee; Genesee; Lapeer; St. Clair; Livingston; Oakland; Macomb; Washtenaw; Wayne; Lenawee; Monroe Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index exceeding 105 to

Beach Hazards Statement — Door; Kewaunee; Manitowoc Severity: Moderate. Certainty: Likely. * WHAT...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...Through late tonight. * IMPACTS...Dangerous

Extreme Heat Watch — Washington; Shenandoah; Frederick; Page; Warren; Clarke; Morgan; Berkeley; Jefferson Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 104 expected. For the Extreme Heat Watch, dangerously hot conditions with heat in

Heat Advisory — Central and Eastern Allegany; Hampshire; Hardy; Eastern Grant; Eastern Mineral Severity: Moderate. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 104 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index value

Heat Advisory — District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Har

Extreme Heat Watch — District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeas

Heat Advisory — Eastern Pendleton Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 100 expected. * WHERE...Eastern Pendleton County. * WHEN...From 11 AM this morning to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat ill

Small Craft Advisory — Rock Island Passage to Sturgeon Bay WI Severity: Minor. Certainty: Likely. * WHAT...South winds 10 to 15 kts with gusts up to 20 kts and waves 2 to 5 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sturgeon Bay. * WHEN...Until 4 AM

Extreme Heat Watch — Central and Eastern Allegany; Hampshire; Hardy; Eastern Grant; Eastern Mineral Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 104 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index va

Extreme Heat Watch — St. Marys; Calvert Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 115 possible. * WHERE...Calvert and St. Marys Counties. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related

Small Craft Advisory — Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI Severity: Minor. Certainty: Likely. * WHAT...South winds 5 to 15 kts with gusts up to 20 kts and waves 2 to 5 ft. * WHERE...Lake Michigan nearshore waters from Sturgeon Bay to Sheboygan. * WHEN...U

Heat Advisory — Washington; Shenandoah; Frederick; Page; Warren; Clarke; Morgan; Berkeley; Jefferson Severity: Moderate. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 104 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index

Heat Advisory — Nelson; Albemarle; Greene Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 109 expected. * WHERE...Albemarle, Greene, and Nelson Counties. * WHEN...From 11 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause

Heat Advisory — Augusta; Rockingham; Eastern Highland Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 103 expected. * WHERE...Augusta, Eastern Highland, and Rockingham Counties. * WHEN...From 11 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and

Severe Thunderstorm Watch — Dodge, MN; Fillmore, MN; Mower, MN; Olmsted, MN; Wabasha, MN; Winona, MN; Buffalo, WI; Clark, WI; Jackson, WI; Taylor, WI; Trempealeau, WI Severity: Severe. Certainty: Possible. THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 421 IN E

Heat Advisory — Southern Centre; Huntingdon; Mifflin; Juniata; Franklin; Southern Clinton; Southern Lycoming; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster Severity: Moderate. Certainty: Likely. * WHAT...

Extreme Heat Warning — Southern Centre; Huntingdon; Mifflin; Juniata; Franklin; Southern Clinton; Southern Lycoming; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster Severity: Severe. Certainty: Likely. * WH

Heat Advisory — McKean Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 101 expected. * WHERE...McKean County. * WHEN...From noon Wednesday to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAI

Heat Advisory — Potter; Elk; Cameron; Northern Clinton; Clearfield; Northern Centre; Cambria; Tioga; Northern Lycoming; Sullivan Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 104 expected. * WHERE...Cambria, Cameron, Clearfield, Elk, Northern Centre, No

Heat Advisory — Warren Severity: Moderate. Certainty: Likely. * WHAT...Heat index values around 100 degrees expected during the afternoon and evening. * WHERE...Warren County. * WHEN...From noon today to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cau

Heat Advisory — Blair; Bedford; Fulton Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 104 expected. * WHERE...Bedford, Blair, and Fulton Counties. * WHEN...From noon Wednesday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause

Small Craft Advisory — Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Calumet Harbor IL to Gary IN Severity: Minor. Certainty: Likely. * WHAT...Southwest winds to 25 kt expected. * WHERE...Winthrop Harbor to

Severe Thunderstorm Watch — Emmet, IA; Kossuth, IA; Palo Alto, IA; Winnebago, IA; Worth, IA Severity: Severe. Certainty: Possible. THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 421 IN EFFECT UNTIL 10 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WA

Fire Weather Watch — Elbert/Central and East Douglas Counties Above 6000 Feet Severity: Severe. Certainty: Possible. ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR THE HIGH COUNTRY TODAY...POTENTIALLY CONTINUING THROUGH FRIDAY... A warm and dry airmass will coincide with gusty

Red Flag Warning — South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet; Central and Southeast Park County; Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counti

Fire Weather Watch — South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet; Central and Southeast Park County; Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Coun

Red Flag Warning — Jackson County Below 9000 Feet; Grand and Summit Counties Below 9000 Feet; West Jackson and West Grand Counties Above 9000 Feet; South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet Severity: Severe. Certainty: Lik

Small Craft Advisory — Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM; Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM Severity: Minor. Certainty: Likely. * WHAT...South winds 15 to 25 kt expected. * WHERE...Coastal waters from Sandy Hook to

Air Quality Alert — Rockland; Northern Westchester; Southern Westchester; New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northern Queens; Southern Queens Severity: Unknown. Certainty: Unknown. The New York State Department of Environmental Conservation has

Air Quality Alert — Northern Fairfield; Northern New Haven; Northern Middlesex; Southern Fairfield; Southern New Haven; Southern Middlesex Severity: Unknown. Certainty: Unknown. The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day