Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
308 AM CDT Mon Aug 18 2025
SDZ003>005-007>011-015>017-019>023-033>037-181400-
/O.NEW.KABR.FG.Y.0006.250818T0808Z-250818T1400Z/
Corson-Campbell-McPherson-Marshall-Roberts-Walworth-Edmunds-Day-
Dewey-Potter-Faulk-Clark-Codington-Grant-Hamlin-Deuel-Stanley-
Sully-Hughes-Hyde-Hand-
Including the cities of Faulkton, Fort Pierre, Clear Lake,
Milbank, Highmore, Isabel, Britton, Gettysburg, Miller, Sisseton,
Mobridge, Eureka, Watertown, Ipswich, Webster, McIntosh, Herreid,
Clark, Pierre, Onida, and Hayti
308 AM CDT Mon Aug 18 2025 /208 AM MDT Mon Aug 18 2025/
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT /8 AM MDT/ THIS
MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, north central, and northeast South
Dakota.
* WHEN...Until 9 AM CDT /8 AM MDT/ 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.
&&
$$
12
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
212 AM CDT Mon Aug 18 2025
NDZ035-046-181400-
/O.EXA.KBIS.FG.Y.0012.000000T0000Z-250818T1400Z/
Burleigh-Emmons-
Including the cities of Linton, Strasburg, and Bismarck
212 AM CDT Mon Aug 18 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...
* WHAT...Visibility down to one quarter of a mile in dense fog.
* WHERE...Burleigh and Emmons Counties.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
212 AM CDT Mon Aug 18 2025
NDZ002>005-010>013-021>023-025-036-037-047-048-050-051-181400-
/O.CON.KBIS.FG.Y.0012.000000T0000Z-250818T1400Z/
Burke-Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce-
McLean-Sheridan-Wells-Foster-Kidder-Stutsman-Logan-La Moure-
McIntosh-Dickey-
Including the cities of Sherwood, Shell Valley, St. John, Wilton,
Columbus, Harvey, Mcclusky, Powers Lake, Rolette, Washburn,
Jamestown, Towner, Steele, Drake, Underwood, Dunseith, Napoleon,
Lignite, Parshall, Rugby, Portal, Bottineau, Ashley, Bowbells,
Minot, Rolla, Garrison, Wishek, Goodrich, Fessenden, Tappen, New
Town, Oakes, Ellendale, Carrington, Glenburn, Velva, Stanley,
Edgeley, Gackle, Lamoure, Mohall, Turtle Lake, and Kulm
212 AM CDT Mon Aug 18 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS
MORNING...
* WHAT...Visibility down to one quarter of a mile in dense fog.
* WHERE...Part of northwest, north central, and south central North
Dakota, including the James River Valley.
* 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.
&&
$$
Telken
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Bismarck ND
116 AM CDT Mon Aug 18 2025
NDZ017-031-032-040-043-190630-
McKenzie-Golden Valley-Billings-Slope-Bowman-
116 AM CDT Mon Aug 18 2025 /1216 AM MDT Mon Aug 18 2025/
This Hazardous Weather Outlook is for portions of northwest North
Dakota and southwest North Dakota.
.DAY ONE...Tonight
Isolated thunderstorms are possible tonight. Severe weather is
not anticipated.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Bismarck ND
116 AM CDT Mon Aug 18 2025
NDZ002>005-010>013-021>023-025-036-037-047-048-050-051-190630-
Burke-Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce-
McLean-Sheridan-Wells-Foster-Kidder-Stutsman-Logan-La Moure-
McIntosh-Dickey-
116 AM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for portions of north central
North Dakota, northwest North Dakota, south central North Dakota,
and southeast North Dakota.
.DAY ONE...Tonight
Dense fog advisory is in effect until 9am CDT Monday. See
weather.gov/bis for details.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
514 PM CDT Sun Aug 17 2025
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-182215-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-
McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-
Yankton-Union-
514 PM CDT Sun Aug 17 2025
This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, southwest Minnesota, northeast Nebraska,
central South Dakota, east central South Dakota, south central
South Dakota, and southeast South Dakota.
.DAY ONE...Tonight
Scattered thunderstorms will bring the threat for severe weather
and heavy rain through the night. The main threats will be hail
to the size of half dollars and wind gusts to 65 mph. The best
chances will be from 8 pm to 4 am.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
A few storms are again possible Monday evening. Details remain
uncertain but storms may be capable of producing large hail and
damaging wind gusts. Please continue to monitor for forecast and
thunderstorm risk changes.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will be possible tonight.
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
323 PM MDT Sun Aug 17 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-182130-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
323 PM MDT Sun Aug 17 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...THIS AFTERNOON AND TONIGHT
- Widely scattered showers and thunderstorms will continue through
the evening. Isolated storms may bring strong wind and hail,
mainly to the northern NE panhandle.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
- Another round of isolated thunderstorms Monday PM will have a
marginal potential for severe weather.
- Hot temperatures with more limited thunderstorm chances are
expected Tuesday through Thursday.
- A cold front late in the week should bring back rainfall
chances and cooler temperatures leading into the weekend.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
328 PM CDT Sun Aug 17 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-182030-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
328 PM CDT Sun Aug 17 2025 /228 PM MDT Sun Aug 17 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Tonight.
There`s a marginal risk (level 1 of 5) of severe thunderstorms this
evening. The main threats will be damaging wind gusts and large hail.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
There`s a marginal risk (level 1 of 5) of severe thunderstorms Monday
afternoon and evening across much of western and north central
Nebraska. The main threats are damaging wind gusts and large hail.
Thunderstorms return Friday and Saturday evenings, but the severe
threat is uncertain at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
828 AM CDT Sun Aug 17 2025
SDZ003>005-009-010-015>017-033>035-181330-
Corson-Campbell-McPherson-Walworth-Edmunds-Dewey-Potter-Faulk-
Stanley-Sully-Hughes-
828 AM CDT Sun Aug 17 2025 /728 AM MDT Sun Aug 17 2025/
This Hazardous Weather Outlook is for central South Dakota and
north central South Dakota.
.DAY ONE...Today and tonight.
While thunderstorms are possible today, severe weather is not
expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
A marginal risk, or level 1 out of 5, is in place for severe storms
today and this evening. Main threats will be damaging winds to
around 60 mph and large hail to around 1 inch in diameter. Locally
heavy rainfall is possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
KF
Hazardous Weather Outlook
National Weather Service Aberdeen SD
828 AM CDT Sun Aug 17 2025
SDZ036-037-045-048-051-181330-
Hyde-Hand-Jones-Lyman-Buffalo-
828 AM CDT Sun Aug 17 2025
This Hazardous Weather Outlook is for central South Dakota.
.DAY ONE...Today and tonight.
A marginal risk, or level 1 out of 5, is in place for severe storms
today and this evening. Main threats will be damaging winds to
around 60 mph and large hail to around 1 inch in diameter. Locally
heavy rainfall is possible as well as an isolated tornado or two.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
A marginal risk, or level 1 out of 5, is in place for severe storms
Monday. Main threats will be damaging winds to around 60 mph and
large hail to around 1 inch in diameter. Locally heavy rainfall is
possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our X
feed.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
321 AM MDT Sun Aug 17 2025
SDZ001-002-012>014-024>026-028-031-032-043-072-073-078-WYZ054>060-
181300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Central Black Hills-Pennington Co Plains-Haakon-Northern Jackson-
Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Southern Perkins-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston County Plains-Newcastle-
Northeastern Crook-
321 AM MDT Sun Aug 17 2025
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Isolated thunderstorms are possible today, no widespread severe
weather is expected.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Thunderstorms are possible on Monday, some storms could be strong
to severe and capable of damaging winds and large hail.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
321 AM MDT Sun Aug 17 2025
SDZ027-029-030-041-042-044-046-047-049-074>077-181300-
Southern Foothills-Southern Black Hills-Custer Co Plains-
Western Fall River-Northern Oglala Lakota-Bennett-Mellette-Todd-
Tripp-Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-
321 AM MDT Sun Aug 17 2025 /421 AM CDT Sun Aug 17 2025/
This Hazardous Weather Outlook is for portions of south central
South Dakota...southwestern South Dakota...and the Black Hills of
South Dakota.
.DAY ONE...Today and Tonight
There is a marginal risk (level 1 of 5) of severe thunderstorms
today, meaning that isolated severe storms are possible. Primary
hazards include large hail and damaging winds.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Thunderstorms are possible on Monday, some storms could be strong
to severe and capable of damaging winds and large hail.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
