452
WGUS65 KBYZ 280836
FFABYZ
FLOOD WATCH
NATIONAL WEATHER SERVICE BILLINGS MT
236 AM MDT MON APR 28 2025
MTZ034-040-056-064>068-139-141-170-172-290000-
/O.CON.KBYZ.FA.A.0001.000000T0000Z-250429T0000Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHERN STILLWATER-NORTHERN PARK-RED LODGE FOOTHILLS-PARADISE
VALLEY-LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH
MOUNTAINS-CRAZY MOUNTAINS-SOUTHEASTERN CARBON-NORTHERN SWEET
GRASS-NORTHERN CARBON-MELVILLE FOOTHILLS-
INCLUDING THE LOCATIONS OF COLUMBUS, RED LODGE, MCLEOD, FISHTAIL,
COOKE CITY, BIG TIMBER, ABSAROKEE, CLYDE PARK, LIVINGSTON,
MELVILLE, FROMBERG, EMIGRANT, WILSALL, JOLIET, AND BRIDGER
236 AM MDT MON APR 28 2025
..FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON
* WHAT...FLOODING CAUSED BY RAIN AND SNOWMELT CONTINUES TO BE
POSSIBLE, BUT THE THREAT OF HIGHER END IMPACTS HAS DECREASED.
* WHERE...A PORTION OF SOUTH CENTRAL MONTANA, INCLUDING THE
FOLLOWING AREAS, ABSAROKA/BEARTOOTH MOUNTAINS, BEARTOOTH
FOOTHILLS, CRAZY MOUNTAINS, LIVINGSTON AREA, MELVILLE FOOTHILLS,
NORTHERN CARBON, NORTHERN PARK, NORTHERN STILLWATER, NORTHERN
SWEET GRASS, PARADISE VALLEY, RED LODGE FOOTHILLS AND SOUTHEASTERN
CARBON.
* WHEN...THROUGH THIS AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF STREAMS AND
OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS CLOSE TO THE FOOTHILLS.
SOME ROADS MAY BECOME IMPASSABLE. ANY HEAVY RAINFALL OVER THE
AMERICAN FORK OR ROBERTSON DRAW BURN AREAS COULD RESULT IN FLASH
FLOODING AND DEBRIS FLOWS.
* ADDITIONAL DETAILS...
- HEAVY RAINFALL FELL JUST OFF THE SNOWPACK LAST AFTERNOON AND
EVENING. TEMPERATURES ARE BEGINNING TO COOL OVER THE HIGHER
TERRAIN TURNING RAIN TO SNOW OVER THE HIGHER FOOTHILLS. THIS
WILL LIMIT THE HIGHER END IMPACT POTENTIAL THAT WAS
PREVIOUSLY ANTICIPATED. HOWEVER, THERE REMAINS THE THREAT OF
AT LEAST MINOR FLOODING IN THE FOOTHILLS DUE TO HEAVY RAIN
THAT FELL EARLIER TONIGHT COMBINED WITH CONTINUED LIGHT TO
MODERATE RAINFALL THAT IS FORECAST THROUGH THIS MORNING.
SEVERAL STREAM GAGES ARE RISING RAPIDLY NORTH OF RED LODGE
DUE TO THIS RUNOFF. A GAUGE NEAR FISHTAIL REPORTED AROUND 3
INCHES OF RAIN SO FAR.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD
WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED
TO TAKE ACTION SHOULD FLOODING DEVELOP.
MTZ138-169-171-WYZ198-199-290600-
/O.CON.KBYZ.FA.A.0001.000000T0000Z-250429T0600Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOUTHERN BIG HORN-BIGHORN CANYON-PRYOR/NORTHERN BIGHORN MOUNTAINS-
NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF FORT SMITH, PRYOR, LODGE GRASS,
SHERIDAN, AND BURGESS JCT
236 AM MDT MON APR 28 2025
..FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING
* WHAT...FLOODING CAUSED BY RAIN AND SNOWMELT CONTINUES TO BE
POSSIBLE, BUT THE THREAT OF HIGHER END IMPACTS HAS DECREASED.
* WHERE...PORTIONS OF SOUTH CENTRAL MONTANA, INCLUDING THE FOLLOWING
AREAS, BIGHORN CANYON, PRYOR/NORTHERN BIGHORN MOUNTAINS AND
SOUTHERN BIG HORN AND NORTH CENTRAL WYOMING, INCLUDING THE
FOLLOWING AREAS, NORTHEAST BIGHORN MOUNTAINS AND SHERIDAN
FOOTHILLS.
* WHEN...THROUGH THIS EVENING.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF STREAMS AND
OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS CLOSE TO THE FOOTHILLS.
SOME HIGHER FOOTHILLS ROADS MAY BECOME IMPASSABLE. ANY HEAVY
RAINFALL OVER THE ELK BURN AREA COULD RESULT IN FLASH FLOODING AND
DEBRIS FLOWS.
* ADDITIONAL DETAILS...
- HEAVY RAINFALL FELL JUST OFF THE SNOWPACK LAST EVENING WITH
HALF AN INCH TO AN INCH OF PRECIPITATION REPORTED ALONG THE
I-90 CORRIDOR. TEMPERATURES ARE BEGINNING TO COOL OVER THE
HIGHER TERRAIN TURNING RAIN TO SNOW OVER THE HIGHER
FOOTHILLS. THIS WILL LIMIT THE HIGHER END IMPACT POTENTIAL
THAT WAS PREVIOUSLY ANTICIPATED. HOWEVER, THERE REMAINS THE
THREAT OF AT LEAST MINOR FLOODING IN THE FOOTHILLS DUE TO
HEAVY RAIN THAT FELL EARLIER TONIGHT COMBINED WITH CONTINUED
LIGHT TO MODERATE RAINFALL THAT IS FORECAST THROUGH THIS
MORNING.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD
WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED
TO TAKE ACTION SHOULD FLOODING DEVELOP.
CHAMBERS
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