2 products issued by NWS for: 8 Miles WSW Bigfork MT
Flood Watch
Flood Watch
National Weather Service Missoula MT
951 AM MDT Sun Sep 6 2026
MTZ002-003-043-081800-
/O.NEW.KMSO.FA.A.0011.260906T2100Z-260908T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
West Glacier Region-Flathead/Mission Valleys-Potomac/Seeley Lake
Region-
951 AM MDT Sun Sep 6 2026
...FLOOD WATCH IN EFFECT FROM 3 PM MDT THIS AFTERNOON THROUGH TUESDAY
MORNING...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of northwest and west central Montana, including
the following areas, in northwest Montana, Flathead/Mission Valleys
and West Glacier Region. In west central Montana, Potomac/Seeley
Lake Region.
* WHEN...From 3 PM MDT this afternoon through Tuesday morning.
* IMPACTS...Excessive runoff may result in flooding of creeks,
streams, and other low-lying and flood-prone locations. Creeks and
streams may rise out of their banks. Flooding may occur in poor
drainage and urban areas.
* ADDITIONAL DETAILS...
- Thunderstorms capable of rainfall rates of 0.75" to 1.00" per
hour are possible this afternoon and evening (Sept 6), which
could lead to localized debris flows.
This period will then be followed by prolonged moderate to heavy
rainfall Monday into Tuesday morning of an additional 1 to 3
inches in the valleys, with 2 to 4 inches in the higher terrain,
especially along the Continental Divide and in Glacier National
Park.
- https://www.weather.gov/mso/hydrology
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
Hydrologic Outlook
Hydrologic Outlook MTC029-047-063-081100- Hydrologic Outlook National Weather Service Missoula MT 1043 AM MDT Sat Sep 5 2026 What: Widespread moderate rainfall over a prolonged period of time. Storm total amounts between 1 to 3 inches for valleys and 2 to 3 inches for the mountains. There is a 10 percent chance of isolated rainfall amounts up to 4 inches along the Continental Divide. Where: Flathead and Lake Counties in northwest Montana, including Glacier National Park. Missoula county in west-central Montana. Timing: Beginning Sunday morning, continuing through Monday night. Heaviest rainfall rates anticipated Monday into Monday night. Significant rainfall totals will bring potential for rapid rises on streams and creeks, rock and debris slides and runoff issues in poor drainage areas. Those recreating in the backcountry should take caution on backcountry roadways for falling debris. $$