468
WGUS65 KPIH 211843
FFAPIH
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE POCATELLO ID
1243 PM MDT TUE JUL 21 2026
IDZ058>066-221200-
/O.NEW.KPIH.FA.A.0001.260722T2000Z-260723T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-BEAR
RIVER RANGE-BEAR LAKE VALLEY-BLACKFOOT MOUNTAINS-CARIBOU RANGE-
BIG HOLE MOUNTAINS-TETON VALLEY-CENTENNIAL MOUNTAINS - ISLAND
PARK-
INCLUDING THE CITIES OF WAYAN, INKOM, TETONIA, LAVA HOT SPRINGS,
ISLAND PARK, SWAN VALLEY, SODA SPRINGS, MCCAMMON, GEORGETOWN,
HENRY, ST. CHARLES, KILGORE, MALAD, MONTPELIER, BONE, EMIGRATION
SUMMIT, DOWNEY, VICTOR, DRIGGS, GRACE, PRESTON, THATCHER, AND ASHTON
1243 PM MDT TUE JUL 21 2026
...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY
EVENING...
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* WHERE...PORTIONS OF EASTERN AND SOUTHEAST IDAHO, INCLUDING THE
FOLLOWING AREAS, IN EASTERN IDAHO, BIG HOLE MOUNTAINS, CENTENNIAL
MOUNTAINS - ISLAND PARK AND TETON VALLEY. IN SOUTHEAST IDAHO, BEAR
LAKE VALLEY, BEAR RIVER RANGE, BLACKFOOT MOUNTAINS, CARIBOU RANGE,
FRANKLIN/EASTERN ONEIDA REGION AND MARSH AND ARBON HIGHLANDS.
* WHEN...FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
* ADDITIONAL DETAILS...
- AN ABNORMALLY MOIST AIRMASS WILL OVERSPREAD EASTERN IDAHO LATER
TONIGHT AND CONTINUE INTO THE DAY TOMORROW. THUNDERSTORMS ARE
EXPECTED TO BE EFFICIENT RAINFALL PRODUCERS AND FLASH FLOODING
WILL BE POSSIBLE ACROSS THE WATCH AREA.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
IDZ072-221200-
/O.CON.KPIH.FF.A.0003.260722T1800Z-260723T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAWTOOTH/STANLEY BASIN-
INCLUDING THE CITIES OF STANLEY
1243 PM MDT TUE JUL 21 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN SCAR REMAINS IN EFFECT FROM
WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING...
* WHAT...FLASH FLOODING AND DEBRIS FLOWS CAUSED BY EXCESSIVE RAINFALL
CONTINUE TO BE POSSIBLE OVER THE WAPITI BURN SCAR.
* WHERE...A PORTION OF CENTRAL IDAHO, INCLUDING THE FOLLOWING AREA,
SAWTOOTH/STANLEY BASIN.
* WHEN...FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* IMPACTS...HEAVY RAINFALL OVER THE WAPITI BURN SCAR IS EXPECTED
DURING THE PERIOD OF THE WATCH. ANYONE IN OR NEAR THE WAPITI BURN
SCAR SHOULD PREPARE FOR POTENTIAL DEBRIS FLOW MOVING THROUGH THE
WAPITI BURN SCAR. BE SURE TO STAY UP TO DATE WITH INFORMATION FROM
LOCAL AUTHORITIES. HEAVY RAINFALL COULD TRIGGER FLASH FLOODING AND
DEBRIS FLOWS IN AND NEAR RECENT WILDFIRE BURN SCARS.
* ADDITIONAL DETAILS...
- NATIONAL WEATHER SERVICE METEOROLOGISTS ARE FORECASTING HEAVY
RAINFALL OVER THE WAPITI BURN SCAR, WHICH MAY LEAD TO FLASH
FLOODING AND DEBRIS FLOWS.
- SOME LOCATIONS THAT MAY EXPERIENCE FLASH FLOODING INCLUDE...
CAPE HORN AREA AND BANNER SUMMIT.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
MCKAUGHAN
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