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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
243 AM MDT Sun Mar 30 2025

MTZ068-310000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-250331T0000Z/
Crazy Mountains-
243 AM MDT Sun Mar 30 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow occurring. Additional snow accumulations between 2 and
  6 inches.

* WHERE...Crazy Mountains.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Outdoor recreation will be impacted by wintry conditions
  and poor visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for hazardous winter weather if you are planning to
venture into the Crazy Mountains this weekend.

&&

$$


Flood Warning


Flood Statement
National Weather Service Boise ID
133 PM MDT Sat Mar 29 2025

...The Flood Warning continues for the following rivers in Oregon...

  Malheur River Near Vale affecting Malheur County.

  Silvies River Near Burns affecting Harney County.

.Continued snowmelt and periods of precipitation will keep river
flows elevated through next week.

For the Silvies River...including Burns...Minor flooding is forecast.
For the Malheur River...including Vale...Minor flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 515 AM MDT /415 AM
PDT/.

&&

ORC045-301115-
/O.EXT.KBOI.FL.W.0006.000000T0000Z-250404T2308Z/
/VALO3.1.DR.250328T0031Z.250330T0600Z.250404T1707Z.NO/
133 PM MDT Sat Mar 29 2025 /1233 PM PDT Sat Mar 29 2025/

...FLOOD WARNING FOR RESERVOIR FLOODGATE RESLEASES IS NOW IN EFFECT
UNTIL FRIDAY AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Malheur River near Vale.

* WHEN...Until Friday afternoon.

* IMPACTS...At 20.5 feet, Flooding of some county roads near the
  river will occur, including Westfall Road near Harper.

* ADDITIONAL DETAILS...
  - At 12:30 PM MDT Saturday /11:30 AM PDT Saturday/ the stage
    was 19.7 feet.
  - Bankfull stage is 19.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:30 PM MDT Saturday /11:30 AM PDT Saturday/ was
    19.8 feet.
  - Forecast...The river will remain in minor flood stage through
    Friday.
  - Flood stage is 19.5 feet.
  - Flood History...This crest compares to a previous crest of
    20.5 feet on 01/03/1997.
  - https://www.weather.gov/safety/flood

&&

LAT...LON 4395 11745 4402 11725 4407 11698 4403 11697
      4390 11732


$$


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
243 AM MDT Sun Mar 30 2025

MTZ034-063-065-141-228-310000-
/O.CON.KBYZ.WW.Y.0022.000000T0000Z-250331T0000Z/
Northern Stillwater-Judith Gap-Livingston Area-Northern Sweet
Grass-Southern Wheatland-
Including the locations of Reed Point, Absarokee, Harlowton,
Rapelje, Springdale, Twodot, Big Timber, Livingston, Judith Gap,
Columbus, Shawmut, and Park City
243 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow occurring. Additional snow accumulations up to two
  inches.

* WHERE...Judith Gap, Southern Wheatland, Livingston Area, Northern
  Stillwater, and Northern Sweet Grass.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Travel will be impacted by reduced visibility and some
  slushy roads. This includes US-191 from Big Timber to Judith Gap,
  and I-90 from Columbus to Livingston and Bozeman Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
243 AM MDT Sun Mar 30 2025

MTZ056-066-310000-
/O.CON.KBYZ.WW.Y.0022.000000T0000Z-250331T0000Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of McLeod, Fishtail, Nye, Roberts,
Roscoe, and Red Lodge
243 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow occurring. Additional snow accumulations between 1 and
  4 inches.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Travel will be impacted by reduced visibility and slushy
  road conditions. This includes US-212 from Roberts to Red Lodge,
  and other roads along the Beartooth Foothills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
243 AM MDT Sun Mar 30 2025

MTZ172-310000-
/O.CON.KBYZ.WW.Y.0021.000000T0000Z-250331T0000Z/
Melville Foothills-
Including the locations of Melville
243 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow occurring. Additional snow accumulations up to two
  inches.

* WHERE...Melville Foothills.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Travel will be impacted by reduced visibility and slushy
  road conditions. This includes US-191 through Melville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Matos

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
223 AM MDT Sun Mar 30 2025

MTZ317-318-301800-
/O.CON.KTFX.WW.Y.0029.000000T0000Z-250330T1800Z/
Little Belt and Highwood Mountains-Snowy and Judith Mountains-
Including the following locations: Monarch, Neihart, and Kings
Hill Pass
223 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Snow. Additional snow accumulations up to 2 inches.

* WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains.

* WHEN...Until noon MDT today.

* IMPACTS...Plan for slushy and slippery road conditions. Tire
  chains may be required for some vehicles if traveling through
  mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
223 AM MDT Sun Mar 30 2025

MTZ320-322-327-329-330-301800-
/O.CON.KTFX.WW.Y.0029.000000T0000Z-250330T1800Z/
Big Belt, Bridger and Castle Mountains-Elkhorn and Boulder
Mountains-Northwest Beaverhead County-Ruby Mountains and Southern
Beaverhead Mountains-Gallatin and Madison County Mountains and
Centennial Mountains-
Including the following locations: Dewey, Corbin, Boulder, Monida
Pass, Bozeman Pass, Wickes, Big Sky, West Yellowstone, Raynolds
Pass, Wisdom, Clancy, Battle Ridge Pass, Trident, Homestake Pass,
Big Hole Pass, Deep Creek Pass, Targhee Pass, Maudlow, Elk Park
Pass, Wise River, Chief Joseph Pass, and Montana City
223 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Snow. Additional snow accumulations up to 2 inches on
  foothills and in higher valleys, but 2 to 4 additional inches in
  the mountains.

* WHERE...The Mountains of Southwestern Montana south of Interstate
  90, Big Belt, Bridger and Castle Mountains, and Elkhorn and
  Boulder Mountains.

* WHEN...Until noon MDT today.

* IMPACTS...Plan for slushy and slippery road conditions. Tire
  chains may be required for some vehicles if traveling through
  mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
223 AM MDT Sun Mar 30 2025

MTZ328-301500-
/O.CON.KTFX.WW.Y.0029.000000T0000Z-250330T1500Z/
Beaverhead and Western Madison below 6000ft-
Including the following locations: Glen, Waterloo, Bannack, and
Dillon
223 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

* WHAT...Snow. Additional snow accumulations up to 1 inch on
  foothills and in higher valleys, but 1 to 3 additional inches in
  the mountains.

* WHERE...Beaverhead and Western Madison below 6000ft.

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

* IMPACTS...Plan for slushy and slippery road conditions. Tire
  chains may be required for some vehicles if traveling through
  mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.

&&

$$

SC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
143 AM MDT Sun Mar 30 2025

WYZ002-015-301800-
/O.CON.KRIW.WW.Y.0019.000000T0000Z-250330T1800Z/
Absaroka Mountains-Wind River Mountains East-
143 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Snow. Additional snow accumulations between 3 and 5 inches.

* WHERE...The east slopes of the Wind River Mountains and the
  Absaroka Mountains.

* WHEN...Until noon MDT today.

* IMPACTS...Travel could be difficult. This includes along South
  Pass, especially early this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
143 AM MDT Sun Mar 30 2025

WYZ009-310000-
/O.CON.KRIW.WW.Y.0019.000000T0000Z-250331T0000Z/
Bighorn Mountains Southeast-
143 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Snow. Additional snow accumulations between 3 and 5 inches.

* WHERE...The east slopes of the Bighorn Mountains.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Travel could be difficult. This includes along Granite
  Pass and Powder River Pass, especially early this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

TL

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
933 AM MDT Sat Mar 29 2025

IDZ009-010-301500-
/O.NEW.KMSO.WW.Y.0025.250330T0000Z-250330T1500Z/
Western Lemhi County-Eastern Lemhi County-
933 AM MDT Sat Mar 29 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
MDT SUNDAY...

* WHAT...Snow expected. Likelihood of minor to moderate impacts from
  around 1 to 3 inches of snow is 70 percent, and 3 to 6 inches of
  snow is 20 percent.

* WHERE...Highway 93 Lost Trail Pass to Gibbonsville, Highway 28
  Tendoy to Lone Pine, Shoup, Bannock Pass, Williams Creek Summit,
  Salmon, and Lemhi Pass.

* WHEN...From 6 PM this evening to 9 AM MDT Sunday.

* IMPACTS...For MINOR impacts from snow, expect a few inconveniences
  to normal activities. Use caution while driving. Winter traveling
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
933 AM MDT Sat Mar 29 2025

MTZ007-301500-
/O.UPG.KMSO.WS.A.0004.250330T0600Z-250330T1500Z/
/O.NEW.KMSO.WW.Y.0025.250330T0000Z-250330T1500Z/
Butte/Blackfoot Region-
933 AM MDT Sat Mar 29 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
MDT SUNDAY...

* WHAT...Snow expected. Likelihood of minor to moderate impacts from
  around 1 to 3 inches of snow is 60 percent, and 3 to 6 inches of
  snow is 20 percent. Likelihood of 10 inches or more of snow
  remains low at around 10 percent.

* WHERE...MacDonald Pass, Highway 12 Garrison to Elliston, Butte,
  Georgetown Lake, and Homestake Pass.

* WHEN...From 6 PM this evening to 9 AM MDT Sunday.

* IMPACTS...For MINOR impacts from snow, expect a few inconveniences
  to normal activities. Use caution while driving. Winter traveling
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
125 AM MDT Sun Mar 30 2025

WYZ001>020-022>030-311130-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
125 AM MDT Sun Mar 30 2025

...WINTER WEATHER ADVISORIES REMAIN IN EFFECT THROUGH 6 PM MDT
SUNDAY...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Areas of light rain and/or snow will be ongoing along and east of the
Continental Divide this morning, gradually ending later this
morning. Any additional snow accumulations after sunrise will remain
in grassy areas. Additional showers will be possible this afternoon
over the northern and far western mountains.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday through Tuesday...Showers and isolated afternoon thunderstorms
will be possible for most areas. Rain will change over to snow over
western portions Monday night and northern portions Tuesday night.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
351 AM MDT Sat Mar 29 2025

SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
301300-
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-
351 AM MDT Sat Mar 29 2025 /451 AM CDT Sat Mar 29 2025/

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

A spring system enters the region today, bringing chances for
rain and snow to the area. Best chances for 3 to 5 inches of snow
will be across the Black Hills, and south central South Dakota.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Light snow will be possible across much of the area through
Sunday. Another weather system will bring additional chances for
rain and snow late Monday night into Wednesday.

.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

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE