Headline:
Flood Watch issued September 19 at 3:09AM MDT until September 19 at 6:00PM MDT by NWS Great Falls MT
Event:
Flood Watch
Urgency:
Future
Effective:
September 19, 2026 - 2:09am
Expires:
September 19, 2026 - 2:15pm
Description:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of central and southwest Montana, including the
following areas, in central Montana, Canyon Ferry Area, Helena
Valley and Meagher County Valleys. In southwest Montana, Gallatin
Valley.
* WHEN...Through this afternoon.
* IMPACTS...Excessive runoff may result in flooding of low-lying and
flood-prone locations.
* ADDITIONAL DETAILS...
- An area of rain will bring additional precipitation amounts to
around 1.00 inch today with locally higher amounts near the
mountains.
- http://www.weather.gov/safety/flood
Instruction:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Area Description:
Helena Valley; Meagher County Valleys; Canyon Ferry Area; Gallatin Valley
Forcast Office:
NWS Great Falls MT
Sender:
w-nws.webmaster@noaa.gov