641
WGUS65 KBYZ 190847
FFABYZ
FLOOD WATCH
NATIONAL WEATHER SERVICE BILLINGS MT
247 AM MDT MON MAY 19 2025
MTZ138-169-171-WYZ198-199-200000-
/O.CON.KBYZ.FA.A.0002.000000T0000Z-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, LODGE GRASS, SHERIDAN,
PRYOR, AND FORT SMITH
247 AM MDT MON MAY 19 2025
..FLOOD WATCH REMAINS IN EFFECT THROUGH THIS 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...THROUGH THIS AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF FROM A LONG DURATION RAINFALL WILL
CAUSE ELEVATED FLOWS ON RIVERS AND STREAMS, AND MAY RESULT IN
FLOODING OF SMALL STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE
LOCATIONS. WATERWAYS THAT SHOULD BE MONITORED INCLUDE THE LITTLE
BIGHORN RIVER, TONGUE RIVER, BIG GOOSE AND LITTLE GOOSE CREEKS.
* ADDITIONAL DETAILS...
- STEADY RAIN IS EXPECTED BELOW 7000 FEET TODAY INTO TONIGHT,
WITH ADDITIONAL AMOUNTS OF 0.75 TO 1.25 INCHES EXPECTED.
TOTAL PRECIPITATION AMOUNTS MAY EXCEED 2 INCHES BY THE END OF
THE DAY.
- 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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