weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Flood Warning


Flood Warning
National Weather Service Missoula MT
742 PM MDT Sun May 31 2026

MTC029-047-089-020130-
/O.NEW.KMSO.FA.W.0001.260601T0142Z-260602T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Flathead MT-Lake MT-Sanders MT-
742 PM MDT Sun May 31 2026

...FLOOD WARNING IN EFFECT UNTIL 730 PM MDT MONDAY...

* WHAT...Small stream flooding caused by excessive rainfall is
  expected.

* WHERE...South Central Flathead County in northwestern Montana...
  Western Lake County in northwestern Montana...


Small streams along the Mission and Swan mountain ranges.

* WHEN...Until 730 PM MDT Monday.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
  and flood-prone locations is imminent or occurring. Streams
  continue to rise due to excess runoff from earlier rainfall.

* ADDITIONAL DETAILS...
  - At 736 PM MDT, emergency management reported heavy rain in the
    warned area. Flooding is ongoing or expected to begin shortly.
    Between 1 and 3 inches of rain have fallen.
  - Additional rainfall amounts of 1 to 2 inches are possible in the
    warned area.
  - Some locations that will experience flooding include...
    Polson, Evergreen, Columbia Falls, Ronan, St. Ignatius, Pablo,
    Woods Bay, and Bigfork.
  - Small streams along the Mission and Swan mountain ranges.
  - https://www.weather.gov/mso/hydrology

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4788 11449 4796 11449 4796 11425 4811 11432
      4825 11448 4841 11450 4851 11442 4839 11413
      4826 11412 4808 11390 4803 11408 4782 11401
      4730 11400 4727 11415 4714 11398 4716 11425
      4735 11438 4736 11464 4743 11469 4782 11470


$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE