041
WGUS45 KMSO 010142
FLWMSO
BULLETIN - IMMEDIATE BROADCAST REQUESTED
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
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