Flood Watch
Status
New Event Active alertStart Time
Tue 07/14/2026 05:00 PM EDTEnd Time
Wed 07/15/2026 02:00 AM EDTSignificance
WatchImpacts
Moderate impact
Locations Affected
Great Falls, MT ∙ Corbin, MT ∙ Willow Creek, MT ∙ Gallatin Gateway, MT ∙ Highwood, MT ∙ Iliad, MT ∙ Buffalo, MT ∙ Pishkun National Wildlife Refuge, MT ∙ Helena Valley Northeast, MT ∙ Ulm, MTFull Alert Message
URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Great Falls MT Issued by National Weather Service Missoula MT 216 PM MDT Mon Jul 13 2026 ...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From Tuesday afternoon through Tuesday 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 and along burn scars. * ADDITIONAL DETAILS... - Heavy rainfall produced by thunderstorms may lead to flash flooding. Rainfall rates in excessive of 1 inch per hour are possible under heavier thunderstorms. - Some locations that may experience flooding include... Great Falls, Bozeman, Helena, Lewistown, Townsend, Fort Benton, West Yellowstone, White Sulphur Springs, Cascade, Big Sandy, Stanford, Lincoln, Belgrade, East Helena, Three Forks, Manhattan, Belt, Geraldine, Denton, Hobson and the Horse Gulch burn scar. - 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.
Technical Header
MTZ307-308-310>324-326-330-140915- /O.NEW.KTFX.FA.A.0004.260714T2100Z-260715T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Rocky Mountain Front-Southern High Plains-Western and Central Chouteau County-Bears Paw Mountains and Southern Blaine- Cascade County below 5000ft-Judith Basin County and Judith Gap- Fergus County below 4500ft-Upper Blackfoot and MacDonald Pass- Gates of the Mountains-Little Belt and Highwood Mountains-Snowy and Judith Mountains-Helena Valley-Big Belt, Bridger and Castle Mountains-Meagher County Valleys-Elkhorn and Boulder Mountains- Canyon Ferry Area-Missouri Headwaters-Gallatin Valley-Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Wolf Creek, Wickes, Whitehall, Battle Ridge Pass, Bozeman Pass, Great Falls, Ringling, Townsend, Homestake Pass, Toston, Checkerboard, Neihart, Elk Park Pass, Monarch, Gallatin Gateway, Fort Benton, Moccasin, Montana City, Hilger, Lincoln, Pony, Targhee Pass, Choteau, Floweree, Carter, Deep Creek Pass, Martinsdale, Boulder, Winston, Rogers Pass, Helena, Clancy, Corbin, Craig, Willow Creek, Bozeman, Hobson, Marysville, White Sulphur Springs, Lewistown, Maudlow, Stanford, Three Forks, Geyser, Windham, Kings Hill Pass, Rocky Boy, West Yellowstone, Raynolds Pass, Benchland, Harrison, Trident, Pendroy, Bynum, Flesher Pass, MacDonald Pass, Raynesford, Canyon Creek, and Big Sky 216 PM MDT Mon Jul 13 2026