512
WGUS65 KMSO 172217
FFAMSO
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MISSOULA MT
417 PM MDT FRI JUL 17 2026
MTZ006-007-180300-
/O.NEW.KMSO.FA.A.0009.260717T2217Z-260718T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
417 PM MDT FRI JUL 17 2026
..FLOOD WATCH IN EFFECT UNTIL 9 PM MDT THIS EVENING
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* WHERE...A PORTION OF WEST CENTRAL MONTANA, INCLUDING THE FOLLOWING
AREAS, SAPPHIRE MOUNTAINS AND BUTTE/BLACKFOOT REGION.
* WHEN...UNTIL 9 PM MDT THIS EVENING.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS. AREA CREEKS
AND STREAMS ARE RUNNING HIGH AND COULD FLOOD WITH MORE HEAVY RAIN.
* ADDITIONAL DETAILS...
- SLOW MOVING THUNDERSTORMS PRODUCING 0.50 TO 1.00" PER HOUR RAIN
RATES.
- HTTPS://WWW.WEATHER.GOV/MSO/HYDROLOGY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
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