Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
352 PM CDT Mon May 11 2026
SDZ035-048-120500-
/O.CON.KABR.FW.W.0012.000000T0000Z-260512T0200Z/
/O.CON.KABR.FW.W.0013.260512T1600Z-260513T0200Z/
Hughes-Lyman-
352 PM CDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL SOUTH DAKOTA...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL SOUTH
DAKOTA...
* AFFECTED AREA...In South Dakota, Hughes and Lyman.
* WINDS...Northwest 20 to 30 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
352 PM CDT Mon May 11 2026
MNZ039-046-SDZ008-120500-
/O.EXA.KABR.FW.W.0013.260512T1600Z-260513T0200Z/
Traverse-Big Stone-Roberts-
352 PM CDT Mon May 11 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST SOUTH DAKOTA AND WEST
CENTRAL MINNESOTA...
The National Weather Service in Aberdeen has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 11 AM to 9 PM CDT Tuesday.
* AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South
Dakota, Roberts.
* WINDS...Northwest 25 to 35 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 30 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
352 PM CDT Mon May 11 2026
SDZ004-009-016-034-120500-
/O.CON.KABR.FW.W.0013.260512T1600Z-260513T0200Z/
Campbell-Walworth-Potter-Sully-
352 PM CDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL/NORTH
CENTRAL SOUTH DAKOTA...
* AFFECTED AREA...In South Dakota, Campbell, Walworth, Potter
and Sully.
* WINDS...Northwest 20 to 30 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
352 PM CDT Mon May 11 2026
SDZ005-006-010-017-018-036-037-051-120500-
/O.CON.KABR.FW.W.0013.260512T1600Z-260513T0200Z/
McPherson-Brown-Edmunds-Faulk-Spink-Hyde-Hand-Buffalo-
352 PM CDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL/NORTH
CENTRAL SOUTH DAKOTA...
* AFFECTED AREA...In South Dakota, McPherson, Brown, Edmunds,
Faulk, Spink, Hyde, Hand and Buffalo.
* WINDS...Northwest 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
07
URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
352 PM CDT Mon May 11 2026
SDZ007-120500-
/O.CON.KABR.FW.W.0013.260512T1600Z-260513T0200Z/
Marshall-
352 PM CDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR MARSHALL COUNTY
SOUTH DAKOTA...
* AFFECTED AREA...In South Dakota, Marshall.
* WINDS...Northwest 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 23 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Aberdeen SD
352 PM CDT Mon May 11 2026
SDZ033-045-120200-
/O.CON.KABR.FW.W.0012.000000T0000Z-260512T0200Z/
Stanley-Jones-
352 PM CDT Mon May 11 2026 /252 PM MDT Mon May 11 2026/
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH CENTRAL
SOUTH DAKOTA...
* AFFECTED AREA...In South Dakota, Stanley and Jones.
* WINDS...Southwest 5 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 19 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
752 PM CDT Mon May 11 2026
NDZ006-014-015-024-026-028-038-039-049-052-053-130200-
/O.CON.KFGF.FW.W.0008.000000T0000Z-260512T0300Z/
/O.CON.KFGF.FW.W.0009.260512T1700Z-260513T0200Z/
Towner-Benson-Ramsey-Eddy-Nelson-Griggs-Barnes-Cass-Ransom-
Sargent-Richland-
752 PM CDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE DEVILS LAKE
BASIN AND EASTERN NORTH DAKOTA...
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM CDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE DEVILS LAKE
BASIN AND EASTERN NORTH DAKOTA...
* AFFECTED AREA...In North Dakota, Towner, Benson, Ramsey, Eddy,
Nelson, Griggs, Barnes, Cass, Ransom, Sargent and Richland.
* WINDS...South 20 to 30 mph with gusts up to 40 mph through
early evening. Winds shift to the west then northwest behind a
front this evening. Strong northwest winds are then expected
Tuesday, with gusts to 55 mph.
* RELATIVE HUMIDITY...As low as 20 percent this afternoon and
below 30 percent Tuesday.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
752 PM CDT Mon May 11 2026
MNZ001>004-007-029-030-040-120300-
/O.EXT.KFGF.FW.W.0008.000000T0000Z-260512T0300Z/
West Polk-Norman-Clay-Kittson-West Marshall-Wilkin-
West Otter Tail-Grant-
752 PM CDT Mon May 11 2026
...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF NORTHWEST AND WEST
CENTRAL MINNESOTA...
* AFFECTED AREA...In Minnesota, West Polk, Norman, Clay,
Kittson, West Marshall, Wilkin, West Otter Tail and Grant.
* WINDS...Southeast 20 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Sioux Falls SD
307 PM CDT Mon May 11 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-120415-
/O.NEW.KFSD.FW.W.0012.260512T1700Z-260513T0200Z/
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-
307 PM CDT Mon May 11 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEASTERN SOUTH DAKOTA,
NORTHEASTERN NEBRASKA, SOUTHWESTERN MINNESOTA, AND NORTHWESTERN
IOWA...
The National Weather Service in Sioux Falls has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 9 PM CDT Tuesday.
* AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux,
O`Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and
Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles,
Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota. In
South Dakota, Beadle, Kingsbury, Brookings, Gregory, Jerauld,
Sanborn, Miner, Lake, Moody, Brule, Aurora, Davison, Hanson,
McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner,
Lincoln, Bon Homme, Yankton, Clay and Union.
* WINDS...Northwest 20 to 30 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
259 PM CDT Mon May 11 2026
...CRITICAL FIRE WEATHER CONDITIONS EXPECTED LATE TUESDAY MORNING
THROUGH EARLY TUESDAY EVENING OVER WESTERN THROUGH SOUTHERN
MINNESOTA...
.Temperatures rising into the 70s on Tuesday along with relative
humidity values dropping under 30 percent, strong northwest winds of
25 to 35 mph with gusts to 40 mph and dry fuels will produce
hazardous fire weather conditions. Humidity values will be lowest in
the middle to late afternoon hours, which will also coincide with the
peak wind speeds. Burning is discouraged on Tuesday as any fires that
develop can spread rapidly.
MNZ047-048-054>058-064>067-073>075-082-083-091-092-120800-
/O.NEW.KMPX.FW.W.0007.260512T1500Z-260513T0100Z/
Stevens-Pope-Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker-Yellow
Medicine-Renville-McLeod-Sibley-Redwood-Brown-Nicollet-Watonwan-
Blue Earth-Martin-Faribault-
259 PM CDT Mon May 11 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM CDT TUESDAY...
The National Weather Service in the Twin Cities has issued a Red Flag
Warning.
* AFFECTED AREA...Portions of central, south central, southwest, and
west central Minnesota.
* TIMING...From 10 AM to 8 PM CDT Tuesday.
* WINDS...Northwest winds 25 to 35 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 23 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in the field of
this Red Flag Warning. Follow all fire restrictions.
&&
$$
JPC
URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
201 PM CDT Mon May 11 2026
...RED FLAG WARNING TODAY FOR WESTERN AND CENTRAL NORTH DAKOTA,
INCLUDING THE JAMES RIVER VALLEY, AND AGAIN ON TUESDAY FOR CENTRAL
NORTH DAKOTA INCLUDING THE JAMES RIVER VALLEY...
.Critical fire weather conditions will continue today through this
evening across western and central North Dakota, including the
James River Valley. Southerly winds of 25 to 35 mph with gusts up
to 45 mph will shift to the northwest in the afternoon and
evening, initially in western and then central North Dakota.
Relative humidity values will drop to as low as 15 percent. There
is a low chance for isolated showers and thunderstorms in the
afternoon and early evening over parts of western and central
North Dakota, which could cause stronger erratic wind gusts. Any
fires that ignite will spread rapidly and become difficult to
control.
Critical fire weather conditions are expected again on Tuesday
over central North Dakota including the James River Valley.
Northwest winds will increase to 20 to 35 mph with gusts to 45
mph, while relative humidity values drop as low as 20 percent.
Again, any fires that ignite will spread rapidly and become
difficult to control.
NDZ003>005-011>013-021>023-025-035>037-046>048-050-051-120600-
/O.NEW.KBIS.FW.W.0008.260512T1600Z-260513T0200Z/
/O.CON.KBIS.FW.W.0007.000000T0000Z-260512T0300Z/
Renville-Bottineau-Rolette-Ward-McHenry-Pierce-McLean-Sheridan-
Wells-Foster-Burleigh-Kidder-Stutsman-Emmons-Logan-La Moure-
McIntosh-Dickey-
201 PM CDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY OVER CENTRAL NORTH
DAKOTA, INCLUDING THE JAMES RIVER VALLEY, WITH A RED FLAG WARNING
AGAIN IN EFFECT AGAIN TUESDAY AND TUESDAY EVENING....
The National Weather Service in Bismarck has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 11 AM to 9 PM CDT Tuesday. The Red Flag Warning for today
through this evening also remains in effect until 10 PM CDT this
evening.
* WINDS...For today, southwest 25 to 35 mph with gusts to 45 mph
in the early afternoon, turning northwesterly through the
afternoon and evening as a cold front moves across the region.
On Tuesday winds will be northwest 20 to 35 mph with gusts to 45
mph.
* RELATIVE HUMIDITY...As low as 15 percent today, and as low as 20
percent on Tuesday.
* AFFECTED AREA...Central North Dakota, including the James River
Valley.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
201 PM CDT Mon May 11 2026
...RED FLAG WARNING TODAY FOR WESTERN AND CENTRAL NORTH DAKOTA,
INCLUDING THE JAMES RIVER VALLEY, AND AGAIN ON TUESDAY FOR CENTRAL
NORTH DAKOTA INCLUDING THE JAMES RIVER VALLEY...
.Critical fire weather conditions will continue today through this
evening across western and central North Dakota, including the
James River Valley. Southerly winds of 25 to 35 mph with gusts up
to 45 mph will shift to the northwest in the afternoon and
evening, initially in western and then central North Dakota.
Relative humidity values will drop to as low as 15 percent. There
is a low chance for isolated showers and thunderstorms in the
afternoon and early evening over parts of western and central
North Dakota, which could cause stronger erratic wind gusts. Any
fires that ignite will spread rapidly and become difficult to
control.
Critical fire weather conditions are expected again on Tuesday
over central North Dakota including the James River Valley.
Northwest winds will increase to 20 to 35 mph with gusts to 45
mph, while relative humidity values drop as low as 20 percent.
Again, any fires that ignite will spread rapidly and become
difficult to control.
NDZ001-002-009-010-017>020-031>034-040>045-120300-
/O.CON.KBIS.FW.W.0007.000000T0000Z-260512T0300Z/
Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Mercer-Oliver-
Golden Valley-Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman-
Adams-Sioux-
201 PM CDT Mon May 11 2026 /101 PM MDT Mon May 11 2026/
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN
NORTH DAKOTA...
* WINDS...Southwest 25 to 35 mph with gusts up to 45 mph, turning
northwesterly through the afternoon and evening as a cold front
moves across the region.
* RELATIVE HUMIDITY...As low as 15 percent.
* AFFECTED AREA...Western North Dakota.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
1219 PM MDT Mon May 11 2026
...RED FLAG WARNING REMAINS IN EFFECT THROUGH EARLY EVENING
ACROSS MOST OF WESTERN SOUTH DAKOTA...
.Warm, very dry, and breezy weather will support critical fire
weather conditions over most of western South Dakota through
early this evening.
SDZ322>335-120300-
/O.CON.KUNR.FW.W.0020.000000T0000Z-260512T0300Z/
Fall River County Area-Northern Foot Hills-Eastern Foot Hills-
Custer County Plains-Pine Ridge Area-Butte County Area-
Perkins County-West Central Plains-Ziebach County-
Haakon County Area-Badlands Area-Bennett County Area-
Mellette and Todd Counties-Tripp County-
1219 PM MDT Mon May 11 2026 /119 PM CDT Mon May 11 2026/
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /10 PM CDT/
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 322, 323, 324, 325, 326, 327, 328, 329, 330, 331,
332, 333, 334, AND 335...
* AFFECTED AREA...Fire Weather Zones 322 Fall River County Area,
323 Northern Foot Hills, 324 Eastern Foot Hills, 325 Custer
County Plains, 326 Pine Ridge Area, 327 Butte County Area, 328
Perkins County, 329 West Central Plains, 330 Ziebach County,
331 Haakon County Area, 332 Badlands Area, 333 Bennett County
Area, 334 Mellette and Todd Counties and 335 Tripp County.
* WINDS...West 10 to 20 mph with gusts up to 35 mph, strongest
across northwest SD.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...The combination of hot temperatures, gusty winds,
and low relative humidities will produce critical fire weather
conditions. In addition, a dry cold front will cross the
region from northwest to southeast between 2 PM and 9 PM
today, resulting in a sudden shift from south to northwest
winds and an increase in wind gusts. In this environment, any
new fires could spread rapidly and be difficult to control.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
