Hazard Report Provided By forecast.weather.gov

Hydrologic Outlook
MTC001-007-013-027-031-035-043-045-049-057-059-073-099-141800-

Hydrologic Outlook
National Weather Service Great Falls MT
1018 AM MDT Sun May 11 2025

...Recent warmth has led to increased high-elevation snow-melt and
elevated flows on some creeks and tributary rivers near the
mountains...

Despite cooler temperatures expected this week, the recent string of
warm daytime and mild overnight temperatures has spurred an increase
in high elevation snowmelt, resulting in within bank rises on some
creeks and upper tributary rivers near the mountains. Scattered
precipitation through Monday may add to some localized runoff but
widespread precipitation expected to develop across primarily
central and southwest Montana Tuesday and Wednesday is likely to
fall as snow at elevations where a lingering snowpack exists.

Significant rises are not expected on larger rivers, but some
creeks and small rivers in the mountains and adjacent foothills may
reach bankful early this week and remain elevated. Some locations
that are approaching bankful and bear watching include: Badger
Creek in Glacier county, Belt Creek in Cascade county and the
Gallatin River.

Stay tuned to the forecast for any watches, advisories, or warnings.
Please report any flooding to local law enforcement and have them
relay the report to the National Weather Service.
$$

Hoenisch

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
123 PM MDT Mon May 12 2025

MTZ322-327-329-330-131030-
/O.CON.KTFX.WW.Y.0038.250513T0200Z-250513T1500Z/
Elkhorn and Boulder Mountains-Northwest Beaverhead County-Ruby
Mountains and Southern Beaverhead Mountains-Gallatin and Madison
County Mountains and Centennial Mountains-
Including the following locations: Wickes, Corbin, Homestake
Pass, West Yellowstone, Boulder, Elk Park Pass, Big Sky, Montana
City, Targhee Pass, Raynolds Pass, Clancy, Wise River, Big Hole
Pass, Monida Pass, Dewey, Wisdom, and Chief Joseph Pass
123 PM MDT Mon May 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 9 AM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 8 inches
  above 7000 feet. Isolated higher amounts around Pony.

* WHERE...The Mountains of Southwestern Montana south of Interstate
  90, and Elkhorn and Boulder Mountains.

* WHEN...From 8 PM this evening to 9 AM MDT Tuesday.

* IMPACTS...Higher mountain passes will likely become snow covered
  and slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

IG

Hazard Report Provided By forecast.weather.gov