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Stillwater River at Lawrence Park at Kalispell

Highest listed crest 8.39 ftFlood stage 7.5 ft10 crests since 2008

The Stillwater River at Lawrence Park at Kalispell crested above flood stage 2 times among the 10 crests the National Weather Service lists from 2008 to 2025. The highest, 8.39 ft on May 19, 2011, was minor flooding, 0.89 feet above flood stage.

The gauge

Highest listed crest
8.39 ft
May 19, 2011; 3,940 cubic feet per second
Flood stage
7.5 ft
No major stage set
Crests at major
0
2 above flood stage
Most recent flood crest
June 12, 2011
7.87 ft, minor flooding
Location
Flathead County
Near Kalispell (0.6 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Stillwater River at Lawrence Park at Kalispell
Action stage7.02May 12, 2018The level at which the NWS or its partners begin to take action
Flood stage (minor)7.52Jun 12, 2011Minimal or no property damage, but possibly some public threat

Every listed crest

10 crests from 2008 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Stillwater River at Lawrence Park at Kalispell, 2008 to 2025 456789ft Flood stage 7.5 ft May 23, 2008: 7.12 ft, action stage; 2,660 cubic feet per secondMay 19, 2011: 8.39 ft, minor flooding; 3,940 cubic feet per secondJun 12, 2011: 7.87 ft, minor flooding; 3,060 cubic feet per secondApr 29, 2012: 6.97 ft, below flood stage; 2,370 cubic feet per secondMay 10, 2017: 6.79 ft, below flood stage; 2,430 cubic feet per secondMay 12, 2018: 7.23 ft, action stage; 2,910 cubic feet per secondJun 3, 2020: 5.50 ft, below flood stage; 1,300 cubic feet per secondMay 29, 2021: 5.71 ft, below flood stage; 1,460 cubic feet per secondJun 21, 2022: 6.99 ft, below flood stage; 2,230 cubic feet per secondMay 17, 2025: 4.64 ft, below flood stage; 733 cubic feet per second Highest, 8.39 ft, May 19, 2011 2010201520202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Stillwater River at Lawrence Park at Kalispell 2000s: 0 2010s: 2 2 2020s: 0 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Stillwater River at Lawrence Park at Kalispell
1May 19, 20118.39+0.89Minor3,940
2Jun 12, 20117.87+0.37Minor3,060
3May 12, 20187.23−0.27Action2,910
4May 23, 20087.12−0.38Action2,660
5Jun 21, 20226.99−0.51Below flood stage2,230
6Apr 29, 20126.97−0.53Below flood stage2,370
7May 10, 20176.79−0.71Below flood stage2,430
8May 29, 20215.71−1.79Below flood stage1,460
9Jun 3, 20205.50−2.00Below flood stage1,300
10May 17, 20254.64−2.86Below flood stage733

Other gauges in Flathead County

Flood gauges in Flathead County
Columbia Falls13.025.58 ft, Jun 9, 19642
West Glacier10.036.46 ft, Jun 9, 19642
Canadian Border10.510.62 ft, Jun 17, 19740
Columbia Falls13.018.60 ft, Jun 9, 19640

Flathead County: every hazard · River floods across the country · Montana

NOAA National Water Prediction Service, gauge SRLM8, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.