Granite County, Montana
Tornadoes, hail, floods and severe storms recorded here between 1958 and 2025, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
2
Tornado reports
31
Hail reports
6
Floods since 1996
57
All events
0
Deaths
$70K
Property damage
Tornado paths in Granite County
The part of each tornado’s path NOAA recorded in this county, 2 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
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.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Thunderstorm Wind Thunderstorm Wind
A large Cottonwood tree was downed near mile-marker 27 on Rock Creek Road. The Missoula International Airport(KMSO), recorded peak wind gusts of 60 mph at 1902 and 1909 MDT.
Debris Flow Debris Flow
A layer of mud was found caked over the Drummond Frontage Road the day after the rainfall which depicted that a debris flow had occurred.
Hail Hail
Radar indicated 60 dbz reflectivity to 30k feet MSL, and there was evidence of meso-cyclone rotation in velocity products. A spotter reported 0.88 hail with no reports of damage in Georgetown Lake. Another member of the public reported seeing a funnel cloud from the storm south o…
Hail Hail
Hail Hail
The hail accumulated to a depth of 2 feet.
Hail Hail
This particular thunderstorm developed off the outflow boundary from a previous severe storm affecting Missoula and Powell Counties. The FBAN on the Anderson Hill Fire reported large hail and heavy rain had fallen on the fire. In fact, he said sufficient hail had fallen to cover …
Hail Hail
A severe thunderstorm dropped hail up to two inches in diameter on a small rural community in the Rock Creek drainage.
Hail Hail
Quarter-size hail was reported in the rural community of Quigley, Montana.
Hail Hail
The public reported hail covering the ground southwest of Hall. Golf ball sized hail was the largest stone observed.
Flood Flood
Extensive field flooding occurred along the Clark Fork River between Drummond and Garrison Junction. Jens Frontage Road along Interstate 90 had water flowing over it in several places.
Hail Hail
Approximately fifteen hours after the event, NWS employees found hail near the size of quarters on the side of a building in Hall. There was also evidence of very heavy rain with this storm.
Flood Flood
Granite county saw widespread impacts from the heavy rain. Philipsburg, MT received 3.28 inches of rain in 24 hours from noon 6/12 through noon 6/13. A public report from Georgetown Lake, MT had a measured 3.7 inches of rain over the 2-day event. Fred Burr Creek was particularly …
Hail Hail
A local resident reported ground covered with quarter-sized hail. A few strikes of lightning accompanied the storm.
Thunderstorm Wind Thunderstorm Wind
Several 6 inch diameter limbs blown down from a tall and very sturdy tree in the location of the inflow of a supercell thunderstorm.
Heavy Rain Heavy Rain
Weather observer reported 1.27 of rainfall.
Hail Hail
A person from the public reported penny size hail in Drummond.
Flash Flood Flash Flood
A slow moving wet thunderstorm dumped at least 1 of rainfall in one hour just southeast of Drummond. A rancher experienced a 5 foot wall of fast moving water that moved down their driveway. The fast flowing water laden with pea-sized hail and mud severely damaged grain & alfalfa …
Flash Flood Flash Flood
A slow moving thunderstorm produced over an inch of rain in less than one hour during the evening of August 9, 2013 over the terrain southeast of Drummond, Montana. This triggered a flash flood up to four feet high that moved from small hillside gulches located north of Interstat…
Hail Hail
A CoCoRaHS member reported penny size hail on the south side of Georgetown Lake.
Hail Hail
A spotter 3 miles southwest of Georgetown estimated 1.00 inch hail, and heavy rain.
Flood Flood
Boulder creek near Maxville flooded and isolated one resident. A road flooded near the east fork of Rock creek. Debris piled up against many bridges across the county. Many residents protected their property with sandbags.
Flash Flood Flash Flood
A flash flood came out of Edwards Gulch and brought debris, including mud and rocks, as well as water, into buildings on the west side of town. There was also some basement flooding.
Hail Hail
Nickel sized hail was accompanied by heavy rain.
Hail Hail
VFW Post customers reported having to pull over because of size and intensity of hail along the road between Hall to Maxville.
Hail Hail
Hail size was estimated between a walnut and ping pong ball.
Hail Hail
Hail lasted about five minutes.
Hail Hail
A report of one inch hail received from the VFW Post in Maxville.
Hail Hail
Hail three quarter to one inch in diameter accumulated up to two inches deep on the ground. The hail knocked un-cut hay flat and stripped vegetation from shrubs.
Hail Hail
Report of dime sized hail in Philipsburg.
Hail Hail
Weather spotter reported quarter size hail in Philipsburg. Eight miles northwest of Philipsburg, a camper reported half inch diameter hail at 5500 feet.
Heavy Rain Heavy Rain
National Weather Service employee reported that heavy rainfall from a thunderstorms caused a rock and debris slide with some overwash onto the frontage road near Bearmouth Lodge.
Hail Hail
The Saddle Mountian lookout reported up to penny size hail and heavy rain.
Hail Hail
State employee 14 miles south of Philipsburg near Georgetown Lake reported 1.75 inch hail.
Thunderstorm Wind Thunderstorm Wind
Three 6 to 8 inch diameter trees were snapped in half from Nimrod to Bearmouth.
Hail Hail
A weather spotter in Philipsburg reported .75 inch hail as a severe thunderstorm moved northeast across Granite County. Several other reports of pea to half inch sized hail were received from this storm.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts estimated up to 60 mph.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Trees were blown down in the Black Pine area. Small hail covered the ground. Flathead County,09,1930MST,,,0,0,?,?,TSTM WIND Whitefish Many trees were knocked down in Whitefish by winds estimated at about 60 mph. The winds caused 5 foot swells on nearby Whitefish Lake.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 1 | 0 |
| 2023 | 1 | 0 |
| 2022 | 3 | 0 |
| 2021 | 1 | 0 |
| 2019 | 2 | 0 |
| 2018 | 3 | 0 |
| 2017 | 2 | 0 |
| 2014 | 2 | 0 |
| 2013 | 4 | 0 |
| 2012 | 1 | 0 |
| 2011 | 1 | 0 |
| 2010 | 2 | 0 |
| 2009 | 7 | 0 |
| 2008 | 3 | 0 |
| 2007 | 2 | 0 |
| 2005 | 2 | 0 |
| 2004 | 2 | 0 |
| 2000 | 2 | 0 |
| 1998 | 1 | 0 |
| 1997 | 4 | 0 |
| 1996 | 1 | 0 |
| 1995 | 1 | 0 |
| 1989 | 2 | 0 |
| 1988 | 2 | 1 |
| 1982 | 1 | 0 |
| 1971 | 1 | 1 |
| 1966 | 1 | 0 |
| 1958 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Granite County, measured to its path.
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