Hydrologic Outlook issued May 11 at 10:18AM MDT by NWS Great Falls MT

ESFTFX

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.