Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
202 PM MDT Fri Mar 27 2026
WYZ277>279-281300-
/O.UPG.KRIW.FW.A.0003.260328T1800Z-260331T0300Z/
/O.NEW.KRIW.FW.W.0007.260328T1800Z-260331T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
202 PM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
MONDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 9 PM MDT Monday.
the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Southwest WY Fire Zones...277...279.
In West Central WY Fire Zone....278.
* COUNTIES AFFECTED:
In Southwest WY...Sweetwater...Uinta.
In West Central WY...Lincoln...Sublette.
* WIND: West 15 to 25 mph with gusts up to 35 mph Saturday and
Sunday. West 20 to 30 mph with gusts up to 50 mph Monday. Wind
will decrease at night.
* HUMIDITY: As low as 10 percent. Poor to Fair humidity recovery
each night.
* TEMPERATURES: Highs in the mid 60s to mid 70s. Lows in the lower
to upper 30s.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
202 PM MDT Fri Mar 27 2026
WYZ280-289-300-281300-
/O.UPG.KRIW.FW.A.0003.260328T1800Z-260331T0300Z/
/O.NEW.KRIW.FW.W.0007.260328T1800Z-260331T0300Z/
Natrona County/Casper BLM-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
202 PM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
MONDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 9 PM MDT Monday.
the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Central WY...Fire Weather Zones 280...289 and 300.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In Southwest WY...Sweetwater.
* WIND: West 20 to 35 mph with gusts up to 55 mph Saturday and
Sunday. West 30 to 40 mph with gusts up to 65 mph Monday. Wind
will decrease at night.
* HUMIDITY: As low as 10 percent. Poor Humidity recovery each
night.
* TEMPERATURES: Highs in the mid 60s to lower 70s. Lows in the
upper 30s to lower 40s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
202 PM MDT Fri Mar 27 2026
WYZ283-281300-
/O.UPG.KRIW.FW.A.0003.260328T1800Z-260331T0300Z/
/O.NEW.KRIW.FW.W.0007.260328T1800Z-260331T0300Z/
Upper Wind River Basin/Wind River Basin-
202 PM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
MONDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 9 PM MDT Monday.
the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Central WY...Fire Weather Zone 283.
* COUNTIES AFFECTED:
In Central WY...Fremont.
* WIND: West 15 to 25 mph with gusts up to 45 mph Saturday and
Sunday. Southwest 25 to 35 mph with gusts up to 60 mph Monday.
Wind will decrease at night.
* HUMIDITY: As low as 12 percent. Poor Humidity recovery each
night.
* TEMPERATURES: Highs in the mid 60s to mid 70s. Lows in upper 30s
to lower 40s.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
202 PM MDT Fri Mar 27 2026
WYZ285-287-281300-
/O.UPG.KRIW.FW.A.0003.260328T1800Z-260331T0300Z/
/O.NEW.KRIW.FW.W.0007.260328T1800Z-260331T0300Z/
South Bighorn Mountains-Owl Creek Mountains-
202 PM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
MONDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 9 PM MDT Monday.
the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Central WY Fire Zone....285.
In North Central WY Fire Zone....287.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Hot Springs...Johnson...Washakie.
* WIND: West 20 to 30 mph with gusts up to 50 mph Saturday and
Sunday. West 30 to 40 mph with gusts up to 70 mph Monday. Wind
will decrease at night.
* HUMIDITY: As low as 11 percent. Poor Humidity recovery each
night.
* TEMPERATURES: Highs in the upper 50s to mid 60s. Lows in the
lower to upper 40s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
221 PM CDT Fri Mar 27 2026
...CRITICAL FIRE WEATHER CONDITIONS LIKELY SATURDAY AFTERNOON...
NEZ204-206-208>210-219-280600-
/O.CON.KLBF.FW.W.0017.260328T1400Z-260329T0200Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-Loup Rivers Basin-Frenchman Basin-Loess Plains-
221 PM CDT Fri Mar 27 2026 /121 PM MDT Fri Mar 27 2026/
...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM CDT /8 AM MDT/ TO
9 PM CDT /8 PM MDT/ SATURDAY FOR VERY LOW HUMIDITY AND STRONG
SOUTHERLY WINDS...
* AFFECTED AREA...Fire Weather Zone 204 Eastern
Panhandle/Crescent Lake NWR, Fire Weather Zone 206
Sandhills/Valentine NWR/Nebraska National Forest, Fire Weather
Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie
National Forest, Fire Weather Zone 209 Loup Rivers Basin, Fire
Weather Zone 210 Frenchman Basin and Fire Weather Zone 219
Loess Plains.
* TIMING...9 AM CDT to 9 PM CDT Saturday.
* WINDS...South 20 to 30 mph with gusts up to 50 mph.
* RELATIVE HUMIDITY...Falling to 10 to 15 percent.
* TEMPERATURES...Upper 60s east, upper 70s west.
* LIGHTNING...None expected.
* IMPACTS...Any fire starts may spread rapidly and be difficult
to control.
* ADDITIONAL DETAILS...very poor overnight humidity recovery is
expected Friday night into Saturday morning and could favor an
earlier start to critical conditions for portions of the area.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
1227 PM MDT Fri Mar 27 2026
...RED FLAG WARNING ISSUED SATURDAY THROUGH MONDAY FOR MOST OF
SOUTHEAST WYOMING...
...FRED FLAG WARNING ISSUED SUNDAY THROUGH MONDAY FOR THE WESTERN
NEBRASKA PANHANDLE...
NEZ434>437-281200-
/O.UPG.KCYS.FW.A.0008.260329T1600Z-260331T0300Z/
/O.NEW.KCYS.FW.W.0011.260329T1600Z-260331T0300Z/
Pine Ridge/Nebraska National Forest-
Box Butte/South Sioux/Niobrara River-
Lower North Platte River Basin/Scottsbluff National Monument-
Lodgepole Creek/Southern Nebraska Panhandle-
1227 PM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM SUNDAY TO 9 PM MDT
MONDAY FOR LOW HUMIDITY AND GUSTY WINDS...
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 10 AM Sunday to 9 PM MDT Monday.
The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...The western Nebraska panhandle, including fire
weather zones, 434, 435, 436, 437.
* WIND...West winds 15 to 25 mph with gusts to around 35 mph
mainly between 10AM and 8PM each day.
* HUMIDITY...Minimums of 8 to 15 percent during the afternoon,
maximums of 35 to 50 percent in the early morning.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
1227 PM MDT Fri Mar 27 2026
...RED FLAG WARNING ISSUED SATURDAY THROUGH MONDAY FOR MOST OF
SOUTHEAST WYOMING...
...FRED FLAG WARNING ISSUED SUNDAY THROUGH MONDAY FOR THE WESTERN
NEBRASKA PANHANDLE...
WYZ417>423-425-427>433-281200-
/O.UPG.KCYS.FW.A.0008.260328T1600Z-260331T0300Z/
/O.NEW.KCYS.FW.W.0011.260328T1600Z-260331T0300Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
Middle North Platte River Basin/Niobrara and Converse High Plains-
North Laramie Range and Adjacent High Plains-
North Laramie Valley/Shirley Basin-
Ferris/Seminoe/Shirley Mountains-Central and West Carbon-
Southwest Carbon County-Upper North Platte River Basin-
North Snowy Range Foothills-Southern Laramie Valley-
Southern Laramie Range-Laramie Foothills and High Plains-
Laramie East High Plains-Bordeaux/Chugwater/Wheatland-
Goshen/Middle-Lower North Platte River Basin-
1227 PM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM SATURDAY TO 9 PM MDT
MONDAY FOR LOW HUMIDITY AND GUSTY WINDS...
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 10 AM Saturday to 9 PM MDT
Monday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...All of southeast Wyoming except the higher
mountains where snow cover remains, including fire weather
zones 417, 418, 419, 420, 421, 422, 423, 425, 427, 428, 429,
430, 431, 432, and 433.
* WIND...West winds 15 to 25 mph with gusts of 30 to 45 mph
mainly between 10AM and 8PM each day.
* HUMIDITY...Minimums of 8 to 15 percent during the afternoon,
maximums of 35 to 50 percent in the early morning.
* ADDITIONAL DETAILS...Widely scattered virga showers Saturday
evening may produce isolated dry lightning along with gusty
and erratic winds.
* IMPACTS...any fires that develop will likely spread rapidly.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
1110 AM MDT Fri Mar 27 2026
COZ200-202-281015-
/O.UPG.KGJT.FW.A.0004.260328T1800Z-260329T0200Z/
/O.NEW.KGJT.FW.W.0004.260328T1800Z-260329T0200Z/
/O.NEW.KGJT.FW.A.0005.260330T1800Z-260331T0200Z/
Little Snake Forecast Area-White River Forecast Area-
1110 AM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONES 200 AND 202 BELOW 8000 FEET...
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONES 200 AND 202 BELOW 8000 FEET...
The National Weather Service in Grand Junction has issued a Red
Flag Warning below 8000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from noon to 8 PM MDT
Saturday. A Fire Weather Watch has also been issued. This Fire
Weather Watch below 8000 feet for gusty winds, low relative
humidity and dry fuels is in effect from Monday afternoon through
Monday evening.
* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little
Snake Forecast Area and Fire Weather Zone 202 White River
Forecast Area below 8000 feet.
* TIMING...For the Red Flag Warning, from noon to 8 PM MDT
Saturday. For the Fire Weather Watch, from Monday afternoon
through Monday evening.
* WINDS...Southwest 20 to 30 mph with gusts 40 to 50 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Fires will catch and spread quickly. Exercise
extreme caution with any outdoor burning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
1110 AM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /10 AM CDT/ TO 6 PM
MDT /7 PM CDT/ SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 325, 326, 332, 333, 334, AND 335...
.Gusty southwest winds Saturday will combine with minimum
relative humidities as low as 12 percent to create the
possibility of critical fire weather conditions.
SDZ325-326-332>335-280815-
/O.UPG.KUNR.FW.A.0006.260328T1500Z-260329T0200Z/
/O.NEW.KUNR.FW.W.0011.260328T1500Z-260329T0000Z/
Custer County Plains-Pine Ridge Area-Badlands Area-
Bennett County Area-Mellette and Todd Counties-Tripp County-
1110 AM MDT Fri Mar 27 2026 /1210 PM CDT Fri Mar 27 2026/
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /10 AM CDT/ TO 6 PM
MDT /7 PM CDT/ SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 325, 326, 332, 333, 334, AND 335...
The National Weather Service in Rapid City has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 9 AM MDT /10 AM CDT/ to 6 PM MDT /7 PM CDT/ Saturday.
The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zones 325 Custer County Plains,
326 Pine Ridge Area, 332 Badlands Area, 333 Bennett County
Area, 334 Mellette and Todd Counties and 335 Tripp County.
* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...The combination of gusty winds and low relative
humidity would produce critical fire weather conditions.
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.
&&
$$
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
202 PM MDT Fri Mar 27 2026
WYZ275-281-282-281300-
/O.NEW.KRIW.FW.A.0004.260330T1800Z-260331T0300Z/
North Bighorn Basin/Worland BLM-Johnson County/Casper BLM-
South Bighorn Basin/Worland BLM-
202 PM MDT Fri Mar 27 2026
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING...
The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Monday afternoon through Monday
evening.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.
* AFFECTED AREA:
In North Central WY...Fire Weather Zones 275...281 and 282.
* COUNTIES AFFECTED:
In North Central WY...Big Horn...Hot Springs...Johnson...Park
Washakie.
* WIND: West 20 to 30 mph with gusts up to 50 mph.
* HUMIDITY: As low as 13 percent.
* TEMPERATURES: Highs in the upper 60s to upper 70s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
1110 AM MDT Fri Mar 27 2026
COZ200-202-281015-
/O.UPG.KGJT.FW.A.0004.260328T1800Z-260329T0200Z/
/O.NEW.KGJT.FW.W.0004.260328T1800Z-260329T0200Z/
/O.NEW.KGJT.FW.A.0005.260330T1800Z-260331T0200Z/
Little Snake Forecast Area-White River Forecast Area-
1110 AM MDT Fri Mar 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONES 200 AND 202 BELOW 8000 FEET...
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONES 200 AND 202 BELOW 8000 FEET...
The National Weather Service in Grand Junction has issued a Red
Flag Warning below 8000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from noon to 8 PM MDT
Saturday. A Fire Weather Watch has also been issued. This Fire
Weather Watch below 8000 feet for gusty winds, low relative
humidity and dry fuels is in effect from Monday afternoon through
Monday evening.
* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little
Snake Forecast Area and Fire Weather Zone 202 White River
Forecast Area below 8000 feet.
* TIMING...For the Red Flag Warning, from noon to 8 PM MDT
Saturday. For the Fire Weather Watch, from Monday afternoon
through Monday evening.
* WINDS...Southwest 20 to 30 mph with gusts 40 to 50 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Fires will catch and spread quickly. Exercise
extreme caution with any outdoor burning.
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.
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Rapid City SD
438 AM MDT Fri Mar 27 2026
SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
281300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Southern Foothills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-Southern Perkins-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
438 AM MDT Fri Mar 27 2026 /538 AM CDT Fri Mar 27 2026/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
The Grassland Fire Danger will be high to very high this afternoon
over western South Dakota near the Black Hills.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Elevated to critical fire weather conditions are expected Saturday
through Monday due to dry air, unseasonably warm temperatures, and
gusty winds for some. A Fire Weather Watch remains in effect for
parts of the area - see RFWUNR for details.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$