Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
411 AM CDT Mon Oct 12 2026
SDZ007-008-011-020-021-023-121800-
/O.CON.KABR.FG.Y.0024.000000T0000Z-261012T1800Z/
Marshall-Roberts-Day-Codington-Grant-Deuel-
Including the cities of Britton, Sisseton, Watertown, Milbank,
Webster, and Clear Lake
411 AM CDT Mon Oct 12 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Codington, Day, Deuel, Grant, Marshall, and Roberts
Counties.
* WHEN...Until 1 PM CDT this afternoon.
* 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.
&&
$$
TMT
URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
411 AM CDT Mon Oct 12 2026
SDZ019-022-121800-
/O.EXA.KABR.FG.Y.0024.000000T0000Z-261012T1800Z/
Clark-Hamlin-
Including the cities of Hayti and Clark
411 AM CDT Mon Oct 12 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Clark and Hamlin Counties.
* WHEN...Until 1 PM CDT this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Special Weather Statement
Special Weather Statement
National Weather Service Rapid City SD
600 AM MDT Mon Oct 12 2026
SDZ001-012-013-025-026-031-072-073-078-WYZ056-057-060-121400-
Harding-Butte-Northern Meade Co Plains-Northern Foothills-
Rapid City-Pennington Co Plains-Sturgis/Piedmont Foothills-
Southern Meade Co Plains-Southern Perkins-Western Crook-
Wyoming Black Hills-Northeastern Crook-
Including the cities of Buffalo, Camp Crook, Ladner, Ludlow,
Redig, Reva, Belle Fourche, Newell, Vale, Fruitdale,
Belle Fourche Reservoir, Hoover, Faith, Mud Butte, Red Owl,
Howes, Opal, Spearfish, Whitewood, Saint Onge, Rapid City,
Box Elder, Caputa, New Underwood, Wasta, Wall, Scenic, Quinn,
Sturgis, Piedmont, Black Hawk, Summerset, Tilford, Ellsworth AFB,
Union Center, Elm Springs, Enning, White Owl, Usta, Bison, Sorum,
Zeona, Moorcroft, Hulett, Pine Haven, Keyhole Reservoir,
Devils Tower, Sundance, Four Corners, Colony, Beulah, and Aladdin
600 AM MDT Mon Oct 12 2026
...AREAS OF DENSE FOG THIS MORNING...
Areas of dense fog can be expected this morning. Motorists should
expect rapidly changing visibility, down to near zero at times.
Remember to use your low beam headlights in fog, slow down, and
provide plenty of braking distance between yourself and any
vehicles in front of you.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Bismarck ND
716 AM CDT Mon Oct 12 2026
NDZ036-037-046>048-050-051-131230-
Kidder-Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
716 AM CDT Mon Oct 12 2026
This Hazardous Weather Outlook is for portions of south central
North Dakota and southeast North Dakota.
.DAY ONE...Today and Tonight
Isolated thunderstorms are possible this morning. Severe weather
is not expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Below freezing temperatures are possible each night this week.
The highest chances for a hard freeze are on Tuesday night and
Thursday night.
Strong northwest winds are possible on Thursday.
.SPOTTER INFORMATION STATEMENT...
Spotters are asked to provide reports to the NWS using standard
procedures, including through our social media accounts.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
310 AM CDT Mon Oct 12 2026
SDZ007-008-011-020-021-023-130815-
Marshall-Roberts-Day-Codington-Grant-Deuel-
310 AM CDT Mon Oct 12 2026
This Hazardous Weather Outlook is for northeast South Dakota.
.DAY ONE...Today and tonight.
Areas of fog are in place over parts of northeastern South Dakota
this morning. Some of this fog may be dense, with visibilities
dropping to a quarter of a mile or lower at times. Low visibility may
make driving conditions dangerous. A Dense Fog Advisory is in effect
through 1 PM CDT today.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
