823
WGUS65 KBYZ 180806
FFABYZ
FLOOD WATCH
NATIONAL WEATHER SERVICE BILLINGS MT
206 AM MDT SUN MAY 18 2025
MTZ138-169-171-WYZ198-199-190815-
/O.CON.KBYZ.FA.A.0002.250518T1800Z-250520T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOUTHERN BIG HORN-BIGHORN CANYON-PRYOR/NORTHERN BIGHORN MOUNTAINS-
NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF BURGESS JCT, PRYOR, FORT SMITH,
SHERIDAN, AND LODGE GRASS
206 AM MDT SUN MAY 18 2025
...FLOOD WATCH REMAINS IN EFFECT FROM NOON MDT TODAY THROUGH MONDAY
AFTERNOON...
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* 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...FROM NOON MDT TODAY THROUGH MONDAY AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF SMALL
STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS. HEAVY
RAINFALL MAY CAUSE FLASH FLOODING AND DEBRIS FLOWS OVER AND NEAR
THE ELK FIRE BURN SCAR.
* ADDITIONAL DETAILS...
- THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY
RAINFALL THIS AFTERNOON AND EVENING. HEAVY PRECIPITATION
WOULD BE PROBLEMATIC IN AREAS WITH ALREADY SATURATED GROUND.
IN ADDITION, PERIODS OF MODERATE TO HEAVY RAINFALL MAY
CONTINUE THROUGH MONDAY WITH UP TO TWO INCHES OF TOTAL
PRECIPITATION POSSIBLE.
- 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.
LESTER
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