Tornadoes, hail, floods and severe storms recorded here between 1961 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 4 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
June 29, 2026 · Lake, Montana
The Lake County Emergency Manager reported that DeLaney and Old Freight roads were flooded. A bridge ramp on Rocky Butte Road sustained minor damage from the flooding, though it was easily repaired with gravel. Flooding impacts were also reported at a local business, Bev's Bloome…
May 29, 2026 · Lake, Montana
Widespread small stream, agricultural, and infrastructural flooding occurred across the Mission Valley due to accelerated snowmelt and 4 to 6 inches of rainfall over a four-day period. A private weather station located 3 miles east-northeast of Pablo measured a total of 5.09 inch…
August 23, 2024 · Lake, Montana
A lot of trees down around St. Ignatius. The wind picked up a turkey pen and flipped it upside down. Trees and power lines were also downed in Kicking Horse and Polson.
August 19, 2024 · Lake, Montana
The public reported two rounds of hail in and around the Bison Range. They reported wind gusts to 53 mph with the first round of hail.
August 19, 2024 · Lake, Montana
The public measured 1.5 inch hail near Ferndale east of Big Fork.
July 24, 2024 · Lake, Montana
A person from the public reported that there were dozens of trees down on forest service roads east and northeast of Arlee.
May 9, 2023 · Lake, Montana
A thunderstorm moved through the Mission Valley, near St. Ignatius and produced a tornado as confirmed by multiple public reports and social media pictures. It briefly touched down and caused some minor property damage. Metal roofing was torn off a farm outbuilding, and minor shi…
August 25, 2022 · Lake, Montana
Ping pong size hail, very heavy rain, and gusty winds were reported at the National Bison Range. A hay crop was destroyed near St. Ignatius. Hail damaged an RV roof.
July 9, 2022 · Lake, Montana
Both the Flathead Bio Station and a spotter 13 mi northeast of Polson reported 1/2 inch hail, resulting in unknown quantity of plant and leaf damage.
July 9, 2022 · Lake, Montana
A spotter in Bigfork, MT sent in a photo showing 1 1/2 inch hail. Near Lakeside on Flathead Lake a cherry orchard reported a total loss of their cherry and apple crop from 125 trees, and they had to replace all their screens on one side of the house and a larger cherry producer i…
July 8, 2022 · Lake, Montana
One inch hail was reported in Charlo, MT.
July 8, 2022 · Lake, Montana
Two reports of large hail were received, one of .88 around Ravalli ,MT and the second of 1 just south of Ninepipes Reservoir.
July 8, 2022 · Lake, Montana
July 7, 2022 · Lake, Montana
This storm that moved generally from Lakeside northeast to the Flathead Valley just north of Echo Lake produced two reports of 1 inch hail. One of those reports was from Somers and the other along HWY-35 just north of Bigfork, MT.
July 7, 2022 · Lake, Montana
There was a report of 1.25 hail from a storm that traversed the southern portions of Flathead Lake. Two greenhouse businesses in Jette, MT reported nickel size hail, or 7/8. A greenhouse received significant damage.
June 28, 2022 · Lake, Montana
Multiple large, mature Colorado spruce and ponderosa pine trees were blown down along with smaller deciduous trees across the Mission Valley. Shingle damage also occurred on several homes with power outages in Pablo.
June 18, 2022 · Lake, Montana
A Facebook report of 1.00 inch hail in Arlee.
June 15, 2021 · Lake, Montana
Several live trees were uprooted as thunderstorm outflow winds moved from southwest to northeast across the Mission Valley. Power outages and one report of minor vehicle damage from a falling tree branch were reported.
June 24, 2020 · Lake, Montana
A photo on social media showed several hailstones that were a little larger than a quarter. Also hail was reported to have accumulated several inches in the storm's path.
May 31, 2020 · Lake, Montana
Numerous tree damage led to power outages and blocked roadways. Damage was noted on both sides of Flathead Lake, but damage was most concentrated near Polson, Dayton, and Finley Point.
September 8, 2019 · Lake, Montana
General rainfall of 1 to 2 inches fell across parts of the Flathead and Mission valleys eastward to the Continental Divide. Heavier amounts of 3 to 4 inches fell locally on the east side of Flathead Lake and in the Mission Mountains, which were near record 2-day totals for the mo…
August 10, 2019 · Lake, Montana
Estimated winds to 60 mph caused waves to 4 feet on Flathead Lake and power outages in the Dayton area.
June 8, 2016 · Lake, Montana
A 25 foot power pole was snapped by the wind in Charlo, MT. The wind was strong enough to make it difficult for resident to open his front door.
June 8, 2016 · Lake, Montana
A resident in Charlo, MT reported 0.80 inches of rain in 10 min with minor street flooding.
August 10, 2015 · Lake, Montana
Power lines and trees were downed by the wind. One of the trees that was knocked over was 18 inches in diameter.
March 5, 2014 · Lake, Montana
A driveway was completely washed out by a flood, presumably caused by snowmelt and very warm temperatures.
August 25, 2013 · Lake, Montana
A trained spotter from Woods Bay reported power outages with at least one tree snapped in half.
August 25, 2013 · Lake, Montana
A NWS employee reported trees bending with one large tree blown down. The waves on Flathead lake were the highest she had ever seen.
July 17, 2013 · Lake, Montana
A trained spotter on the east side of Flathead Lake reported an estimated 1 hail with no damage to cherry trees.
July 8, 2013 · Lake, Montana
A thunderstorm outflow boundary triggered another cell that grew in strength over higher terrain west of Moiese. This thunderstorm produced hail one inch in diameter, as reported by personnel at the National Bison Range.
March 20, 2013 · Lake, Montana
A 72 foot, 26 inch diameter Douglas Fir fell down from very strong thunderstorm winds and crashed onto owners' house. Soil moisture was relatively dry, but as seen in photo much of the branches on the trunk except at the top had already been cut off before this event. A forester …
October 16, 2012 · Lake, Montana
A spotter measured 0.34 inch rainfall in 1 hour.
June 26, 2012 · Lake, Montana
The highway department reported several trees blown down across highway MT-83 near mile marker 48.
October 6, 2011 · Lake, Montana
Equipment at Ronan reported 0.89 inches of rainfall in 12 hours.
October 6, 2011 · Lake, Montana
Rainfall of 0.91 inches was reported by a trained spotter.
September 1, 2011 · Lake, Montana
A waterspout formed over Skidoo Bay and remained over water. No damage was reported.
July 25, 2011 · Lake, Montana
The public measured 1.00 inch hail that covered the ground.
July 25, 2011 · Lake, Montana
Ping pong ball sized hail was measured at Yellow Bay.
July 25, 2011 · Lake, Montana
The public reported 2 inch diameter hail that occurred for about three minutes at Yellow Bay.
July 19, 2011 · Lake, Montana
A trained spotter NNW of Arlee measured 0.88 inch hail.
July 19, 2011 · Lake, Montana
The public estimated 1.00 inch hail in Saint Ignatius.
July 31, 2010 · Lake, Montana
A trained spotter relayed that their neighbor received golf ball sized hail that left dents in their car and caused damage to their corn crop.
July 22, 2010 · Lake, Montana
The Lake County Emergency Manager reported trees blown down on Highway 35 near Blue Bay along Flathead Lake.
July 22, 2010 · Lake, Montana
The public reported four trees blown down from thunderstorm winds at Lake Mary Ronan State Park.
July 6, 2009 · Lake, Montana
A home in St. Ignatius was completely burned down and destroyed by a lightning strike.
May 25, 2009 · Lake, Montana
Public reported nickel size hail and heavy rain from thunderstorm over the Irvine Flats area.
July 4, 2008 · Lake, Montana
Public reported widespread tree damage near Lion Creek northeast of Condon. Many spruce trees 1.5 feet in diameter snapped.
July 4, 2008 · Lake, Montana
Sheriff reported 30 trees blown down over Highway 83 10 miles northwest of Condon.
July 4, 2008 · Lake, Montana
Car dealership 5 miles south of Ronan reported 0.88 inch hail and damage to vehicles in the car lot.
July 4, 2008 · Lake, Montana
Spotter reported 1.50 inch hail 7 miles south of Ronan.