URGENT - WEATHER MESSAGE
National Weather Service Hastings NE
223 AM CDT Thu Aug 20 2026

NEZ041-048-049-063-064-076-077-086-087-201500-
/O.NEW.KGID.FG.Y.0015.260820T0723Z-260820T1500Z/
Nance-Merrick-Polk-Hamilton-York-Clay-Fillmore-Nuckolls-Thayer-
Including the cities of Shelby, Central City, Aurora, Exeter, Genoa,
Hebron, Superior, Fullerton, Nelson, Deshler, Edgar, Polk, Sutton,
Harvard, York, Fairmont, Osceola, Stromsburg, Fairfield, Geneva, Clay
Center, and Bostwick
223 AM CDT Thu Aug 20 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Merrick, Nance, Polk, York, Clay, Fillmore, Hamilton,
  Nuckolls, and Thayer Counties.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

Schuldt

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
221 AM CDT Thu Aug 20 2026

IAZ020-031-NEZ013-014-SDZ070-071-201400-
/O.NEW.KFSD.FG.Y.0013.260820T0721Z-260820T1400Z/
Plymouth-Woodbury-Dixon-Dakota-Clay-Union-
Including the cities of Sioux City, South Sioux City, Allen,
Wakefield, Le Mars, Alcester, Jefferson, Elk Point, Vermillion,
Ponca, North Sioux City, and Beresford
221 AM CDT Thu Aug 20 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* WHAT...Visibility below one half a mile in dense fog.

* WHERE...Portions of northwest and west central Iowa, northeast
  Nebraska, and southeast South Dakota.

* WHEN...Until 9 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

SG

URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
218 AM CDT Thu Aug 20 2026

KSZ102-MOZ001>007-011>016-020>024-201500-
/O.NEW.KEAX.FG.Y.0012.260820T0718Z-260820T1500Z/
Doniphan-Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-
Including the cities of Lathrop, Bethany, Mound City, Unionville,
Wathena, Osborn, Fairfax, Stewartsville, Gallatin, Milan, Savannah,
Troy, Maryville, Cameron, Chillicothe, Tarkio, Maysville, Clarksdale,
Union Star, Plattsburg, Elwood, Green
City, Breckenridge, Brookfield, Forest City, St. Joseph Airport,
Hamilton, Rock Port, Mercer, Princeton, King City, Polo, Trenton,
Highland, St. Joseph, Oregon, Maitland, Craig, Jamesport,
Stanberry, Marceline, Grant City, Braymer, Country Club Villa, and
Albany
218 AM CDT Thu Aug 20 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of northeast Kansas and north central and
  northwest Missouri.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

https://www.weather.gov/eax

CDB

URGENT - WEATHER MESSAGE
National Weather Service Omaha/Valley NE
217 AM CDT Thu Aug 20 2026

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-201500-
/O.NEW.KOAX.FG.Y.0011.260820T0717Z-260820T1500Z/
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page-
Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-Stanton-
Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-Saunders-Douglas-
Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage-Johnson-
Nemaha-Pawnee-Richardson-
Including the cities of West Point, Wausa, Elgin, Decatur, Council
Bluffs, Harlan, Norfolk, Lyons, Creighton, Macy, Blair, Wayne, Omaha,
Papillion, Milford, Dunlap, Albion, Logan, Hamburg, Pierce, Wilber,
Nebraska City, Clarinda, Crofton, Stanton, Wahoo, Onawa, David City,
Wisner, Verdigre, Pawnee City, Coleridge, Auburn, Beatrice, Table
Rock, Tekamah, Fairbury, Neligh, Plainview, Sidney, Hartington,
Winnebago, Crete, Missouri Valley,
Bloomfield, Schuyler, Pender, St. Edward, Randolph, Sterling,
Shenandoah, Farragut, Mapleton, Tabor, Bellevue, Lincoln, Seward,
Columbus, Laurel, Osmond, Yutan, Plattsmouth, Glenwood, La Vista,
Oakland, Woodbine, Fremont, Ashland, Tecumseh, Walthill, Niobrara,
Falls City, and Red Oak
217 AM CDT Thu Aug 20 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of southwest and west central Iowa and east
  central, northeast, and southeast Nebraska.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

CA

URGENT - WEATHER MESSAGE
National Weather Service Caribou ME
151 AM EDT Thu Aug 20 2026

MEZ011-015-016-029-030-201100-
/O.CON.KCAR.FG.Y.0011.000000T0000Z-260820T1100Z/
Central Penobscot-Southern Penobscot-Interior Hancock-Coastal
Hancock-Coastal Washington-
Including the cities of Eastport, Bangor, Machias, Bucksport,
Cherryfield, Eastbrook, Orland, Aurora, Brewer, Great Pond,
Lincoln, Bar Harbor, Dedham, Castine, Howland, Amherst,
Ellsworth, Perry, Old Town, Orono, and Springfield
151 AM EDT Thu Aug 20 2026

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS
MORNING...

* WHAT...Visibility of a quarter-mile or less in dense fog.

* WHERE...Coastal Hancock, Coastal Washington, Interior Hancock,
  Central Penobscot, and Southern Penobscot Counties.

* WHEN...Until 7 AM EDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

JS

URGENT - WEATHER MESSAGE
National Weather Service Caribou ME
151 AM EDT Thu Aug 20 2026

MEZ006-017-032-201100-
/O.EXA.KCAR.FG.Y.0011.000000T0000Z-260820T1100Z/
Southeast Aroostook-Central Washington-Northern Washington-
Including the cities of Smyrna Mills, Vanceboro, Danforth,
Wesley, Topsfield, Grand Lake Stream, Princeton, Calais, Sherman,
Hodgdon, and Houlton
151 AM EDT Thu Aug 20 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM EDT THIS MORNING...

* WHAT...Visibility of a quarter-mile or less in dense fog.

* WHERE...Northern Washington, Southeast Aroostook, and Central
  Washington Counties.

* WHEN...Until 7 AM EDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$