Montgomery County Natural Disasters and Weather Extremes
Hot Missouri Rankings
The chance of earthquake damage in Montgomery County is lower than Missouri average and is much lower than the national average. The risk of tornado damage in Montgomery County is much lower than Missouri average and is about the same as the national average.
Earthquake Index, #38
| Montgomery County | 0.07 |
| Missouri | 0.70 |
| U.S. | 1.81 |
The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.
Volcano Index, #1
| Montgomery County | 0.0000 |
| Missouri | 0.0000 |
| U.S. | 0.0023 |
The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.
Tornado Index, #95
| Montgomery County | 142.37 |
| Missouri | 214.01 |
| U.S. | 136.45 |
The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.
Other Weather Extremes Events
A total of 11,556 other weather extremes events within 50 miles of Montgomery County were recorded from 1950 to 2010. The following is a break down of these events:
| Type | Count | Type | Count | Type | Count | Type | Count | Type | Count |
| Avalanche: | 0 | Blizzard: | 7 | Cold: | 87 | Dense Fog: | 70 | Drought: | 50 |
| Dust Storm: | 0 | Flood: | 1,381 | Hail: | 4,353 | Heat: | 141 | Heavy Snow: | 78 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 40 | Landslide: | 0 | Strong Wind: | 99 |
| Thunderstorm Winds: | 4,724 | Tropical Storm: | 0 | Wildfire: | 8 | Winter Storm: | 179 | Winter Weather: | 93 |
| Other: | 246 | ||||||||
Volcanos Nearby
No volcano is found in or near Montgomery County.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Montgomery County.
No historical earthquake events found in or near Montgomery County.
Historical Tornado Events
A total of 41 historical tornado events that had recorded magnitude of 2 or above found in or near Montgomery County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 5.7 | 1981-07-20 | 2 | 38°53'N / 91°23'W | 1.00 Mile | 50 Yards | 0 | 0 | 25K | 0 | Montgomery | |
| 8.4 | 1955-04-23 | 2 | 38°58'N / 91°33'W | 39°06'N / 91°34'W | 9.10 Miles | 100 Yards | 0 | 0 | 25K | 0 | Montgomery |
| 8.5 | 1980-05-12 | 2 | 38°52'N / 91°20'W | 0.50 Mile | 100 Yards | 0 | 7 | 250K | 0 | Montgomery | |
| 10.5 | 2006-03-13 | 3 | 38°51'N / 91°19'W | 38°53'N / 91°16'W | 4.00 Miles | 300 Yards | 0 | 1 | 800K | 0 | Montgomery |
| Brief Description: The supercell thunderstorm that produced tornadoes in Osage, Callaway, and Montgomery counties produced another tornado in Montgomery County that formed in Jonesburg about Midnight CST March 13, 2006. Damage was first found on Highway Y where a home suffered roof damage. On West Boonslick Road a porta potty business suffered roof damage in addition to having about 20 porta potties destroyed, a few of which were missing. A garbage bin was blown about 100 yards into a field and a mobile home just north of the business was blown onto its side and destroyed. Damage in this area was rated F1 and was 100 yards wide. The tornado crossed Interstate 70 at mile marker 83 where it pushed a tractor-trailer off the highway. The tornado then produced damage as it crossed Highway E. Several homes suffered roof damage and several garage and barn type structures were destroyed. The tornado continued northeast and caused extensive damage as it crossed Oak Hall Road (County Road 250). The CC Pallet Company was destroyed and two mobile homes were destroyed. A 73 year old woman suffered broken bones and a back injury in one of the mobile homes. The tornado at this location was 200 yards wide and was rated F2. The tornado moved northeast causing tree damage as it moved across primarily open fields. Just north of Highway NN a new home was destroyed, tress were mangled and another home suffered roof damage. The tornado was rated F3 at this location and was 300 yards wide. The tornado next caused significant damage along Highway NN right at the Montgomery Warren County line about 12:10 am CST. A barn and several outbuildings were destroyed and a home suffered roof damage. The tornado was rated F1 and was about 100 yards wide at this location. The tornado then continued into Warren County. The Montgomery County Emergency Management Agency reported 8 structures destroyed, 10 with extensive damage and 14 with moderate damage. This covers homes and businesses and does not include barns and outbuildings. | |||||||||||
| 11.3 | 1980-05-12 | 2 | 38°50'N / 91°18'W | 0.50 Mile | 100 Yards | 0 | 0 | 250K | 0 | Montgomery | |
| 11.6 | 1993-09-22 | 2 | 39°06'N / 91°39'W | 39°05'N / 91°26'W | 12.00 Miles | 120 Yards | 0 | 0 | 5.0M | 0 | Audrain And Montgomery |
| Brief Description: A tornado with an intermittent damage track first touched down in Martinsburg where many windows were shattered and numerous large trees were blown down. The county sheriff office reported the heaviest damage in a well defined path through town. The tornado crossed into Montgomery County at about 1655 CST. In Wellsville, two eye witnesses saw a tornado approach from the northwest and split into two funnels. The tornado uprooted trees which fell on several cars and houses. A few cars were crushed. A roof off the Kiddie Kastle Day Care Center along Highway 19 was ripped off and deposited between 200 and 250 yards downwind. Extensive damage to houses occured mainly in the southeast part of town. Strong winds from the tornado tore the roof off at least two houses. A wind gust to 90 mph was reported in town but it us unknown if it was directly associated with the tornado. To the east of Wellsville, the tornado apparently tore the roof off a barn near the intersection of Highway 161 and County Road CC before lifting. No one was injured. | |||||||||||
| 12.8 | 2006-03-13 | 2 | 39°03'N / 91°22'W | 39°06'N / 91°15'W | 6.50 Miles | 300 Yards | 0 | 0 | 200K | 0 | Montgomery |
| Brief Description: A supercell thunderstorm produced a tornado that tracked from northeast Montgomery County, across northern Lincoln County, crossed into southeast Pike County, and then crossed the Mississippi River into Calhoun County, IL during the early morning hours of Monday, March 13, 2006. The total damage track was almost 45 miles with the tornado reaching a maximum damage width of 300 yards and a F3 rating. The tornado first formed and caused damage in northeast Montgomery County about 1:20 am CST along Union Chapel Road northwest of Bellflower. A home suffered roof damage with several trusses on the northwest side destroyed. The tornado was about 100 yards wide at this point and was rated F1. The tornado moved northeast and crossed Highway E several times. In the small community of Gamma, two homes suffered major roof damage, a barn and several outbuildings destroyed. The tornado was rated F2 at this location and was about 200 years wide. The tornado weakened and caused tree damage near the West Fork of the Cuivre River as it crossed into Lincoln County southwest of Olney. | |||||||||||
| 13.5 | 1955-04-23 | 2 | 39°06'N / 91°34'W | 39°08'N / 91°33'W | 1.90 Miles | 100 Yards | 0 | 0 | 25K | 0 | Montgomery |
| 22.5 | 1981-06-21 | 2 | 38°50'N / 91°08'W | 38°48'N / 91°01'W | 6.50 Miles | 300 Yards | 1 | 6 | 250K | 0 | Warren |
| 24.7 | 1970-06-12 | 3 | 39°09'N / 91°50'W | 16.00 Miles | 100 Yards | 0 | 0 | 250K | 0 | Audrain | |
| 25.1 | 1983-05-01 | 2 | 38°50'N / 91°01'W | 0.50 Mile | 200 Yards | 0 | 3 | 2.5M | 0 | Warren | |
| 25.6 | 1966-05-23 | 2 | 38°47'N / 91°54'W | 2.00 Miles | 100 Yards | 0 | 0 | 25K | 0 | Callaway | |
| 25.6 | 2006-03-13 | 3 | 39°04'N / 91°16'W | 39°15'N / 90°54'W | 24.00 Miles | 300 Yards | 0 | 6 | 2.5M | 0 | Lincoln |
| Brief Description: The tornado that formed in Montgomery County north of Bellflower moved into Lincoln County, strengthened, and caused extensive damage along Highway E on the north side of Olney. A home was completely destroyed as the tornado reached F3 intensity and was about 300 yards wide. The family at home escaped injury as they had taken shelter in the basement. About 1:35 am CST, the tornado destroyed a home and caused damage to a home business along Highway H northwest of Silex. At this point the tornado was a strong F2 and about 200 yards wide. A man in the home that was destroyed suffered a broken leg. At the home business, the home suffered roof damage and had the north side brick wall pulled off of the house. A large machine shed suffered extensive damage and a 50 foot travel trailer and the pickup truck it was attached too were blown onto their sides. The tornado continued northeast and primarily crossed over wildlife and conservation areas south of Whiteside. The tornado crossed US Highway 61 near the intersection with Highway F about 1:40 am CST and caused minor damage at a farm and a couple of homes. An old barn was destroyed, a metal shed was destroyed, a garage had the door buckled and windows blown out. A nearly constant trail of tree damage continued as the tornado approached the Lincoln Pike County line west of Dameron about 1:46 am CST. | |||||||||||
| 27.4 | 1969-10-10 | 2 | 38°58'N / 90°59'W | 38°59'N / 90°56'W | 2.70 Miles | 100 Yards | 0 | 0 | 250K | 0 | Lincoln |
| 28.8 | 2006-03-13 | 2 | 38°46'N / 92°04'W | 38°51'N / 91°53'W | 13.00 Miles | 100 Yards | 0 | 2 | 0 | 0 | Callaway |
| Brief Description: A tornado initially formed at approximately 12:30 am CST along County Road 337 about 2 miles northeast of Guthrie. Light tree damaged occurred in this area. The tornado traveled northeast and moderately damaged a home just north of County Road 328 approximately 1.5 miles west of US Highway 54. The home was moved approximately 25 feet off the foundation. Extensive tree damage occurred to the southwest and northeast of this location. Two people were injured at this location and were hospitalized for several days. Another home just to the east suffered roof damage. The damage width in this area was about 100 yards wide and was rated as F2 intensity. The tornado damaged a barn along US Highway 54 approximately 2 miles southwest of Fulton. Debris from the barn was thrown into the highway median. The track continued to the northeast and damaged trees along Highway NN, and damaged outbuildings along Highway C approximately 1.5 miles south of Fulton. The damage in this area was rated as F0 intensity. The tornado track continued northeast crossing Highways O and UU causing tree damage. The tornado dissipated approximately 3 miles east of Fulton along highway JJ. The damage in this area was rated as F0 intensity. The complete tornado track was approximately 13 miles long. | |||||||||||
| 32.2 | 1970-06-12 | 2 | 39°17'N / 91°04'W | 2.30 Miles | 50 Yards | 0 | 0 | 25K | 0 | Pike | |
| 34.1 | 1967-10-24 | 2 | 38°49'N / 90°51'W | 0.50 Mile | 50 Yards | 0 | 5 | 25K | 0 | St. Charles | |
| 34.1 | 1984-04-29 | 3 | 38°57'N / 90°55'W | 39°01'N / 90°45'W | 8.00 Miles | 50 Yards | 0 | 0 | 250K | 0 | Lincoln |
| 34.6 | 1966-12-08 | 2 | 39°13'N / 92°00'W | 0.30 Mile | 50 Yards | 0 | 0 | 25K | 0 | Audrain | |
| 36.1 | 1980-05-12 | 2 | 38°52'N / 92°10'W | 38°54'N / 92°06'W | 3.80 Miles | 33 Yards | 0 | 0 | 25K | 0 | Callaway |
| 36.1 | 1980-04-07 | 2 | 38°24'N / 91°19'W | 38°28'N / 91°14'W | 6.50 Miles | 30 Yards | 0 | 0 | 250K | 0 | Franklin |
| 36.8 | 1956-12-04 | 2 | 39°07'N / 92°10'W | 39°13'N / 92°00'W | 11.10 Miles | 400 Yards | 0 | 0 | 250K | 0 | Boone |
| 37.5 | 1983-05-01 | 3 | 38°27'N / 91°55'W | 38°29'N / 91°43'W | 9.00 Miles | 400 Yards | 0 | 3 | 2.5M | 0 | Osage |
| 38.6 | 1973-05-26 | 2 | 38°49'N / 92°10'W | 3.00 Miles | 50 Yards | 0 | 1 | 250K | 0 | Boone | |
| 41.2 | 1999-02-11 | 2 | 39°14'N / 90°52'W | 39°18'N / 90°47'W | 6.40 Miles | 100 Yards | 0 | 0 | 200K | 0 | Pike |
| Brief Description: The same supercell that spawned the Whiteside tornado in Lincoln County created another tornado which tracked for 20 plus miles from southwest of Annada in Pike County, MO, northeast across Calhoun County, IL, then into Pike County, IL. The first segment extended for about 6 1/2 miles from southwest of Annada to the Mississippi river west of Mozier IL. The tornado started out at F2 travelling along a bluff and destroying one home and damaging 2 others. 2 of the 4 sides of the destroyed home were blown 100 to 150 yards downwind. Several trees were downed along the path as well. | |||||||||||
| 42.2 | 1958-06-10 | 2 | 38°48'N / 90°42'W | 0.50 Mile | 33 Yards | 0 | 0 | 250K | 0 | St. Charles | |
| 42.2 | 1988-11-15 | 3 | 38°48'N / 90°42'W | 1.00 Mile | 200 Yards | 0 | 10 | 2.5M | 0 | St. Charles | |
| 42.9 | 1990-11-27 | 2 | 38°47'N / 90°43'W | 38°50'N / 90°39'W | 4.00 Miles | 50 Yards | 0 | 30 | 25.0M | 0 | St. Charles |
| 43.1 | 1983-05-01 | 2 | 38°47'N / 90°42'W | 38°49'N / 90°40'W | 3.00 Miles | 50 Yards | 0 | 3 | 2.5M | 0 | St. Charles |
| 43.4 | 2006-04-02 | 2 | 39°32'N / 91°38'W | 39°34'N / 91°38'W | 3.50 Miles | 350 Yards | 0 | 0 | 0 | 0 | Ralls |
| Brief Description: The tornado formed around 425 pm CDT 1.5 miles north of Clarence Cannon Dam on County Highway J. Three businesses at this location sustained damage. A convenience store suffered minor exterior damage to shingles, siding, windows and trim. A pole barn suffered substantial roof damage from an airborne camper that was blown from an outdoor storage lot to the east. Damage from this building was scattered 200-300 feet. Four campers in the outdoor lot were damaged with two of these being completely destroyed. Two boats were also flipped over. A camper dealership was located directly across highway J. This building sustained extensive damage. An attached service bay to the south was completely leveled. The second story above the office was obliterated with only the west facing wall left standing. At least 30 campers sustained some type of damage. Eight to ten were completely destroyed. Some of the camper frames were found 150 to 200 feet north of their initial positions. Debris from this area was scattered over 1/4 mile away. Three 1x3 inch boards were found stuck in the dealerships hard packed gravel lot. There was also substantial tree damage. Cedar trees with a diameter of 12 to 15 inches were snapped off at ground level bordering the dealership lot. The tornado was 350 yards wide at this location and produced F2 damage. The tornado continued northeast for 1.3 miles and damaged a pole barn on Clinton Road. The pole barn suffered light roof and trim damage. Southwest of the pole barn, an isolated cedar tree 1.5 to 2 feet in diameter was snapped off 3 feet above the ground. The top portion of the tree was found 150 feet to the northeast. The tornado was 100 yards at this location and produced F1damage. The tornado continued 1.7 miles northeast passing through the Salt River Valley. On township road CC, there was a 2 foot square metal sign buried 4-6 inches into a tilled field. At this location, the tornado was 40 yards wide and produced F0 damage. The tornado dissipated just northeast of this location. | |||||||||||
| 43.8 | 1999-04-08 | 2 | 39°03'N / 92°21'W | 39°07'N / 92°10'W | 10.00 Miles | 120 Yards | 0 | 0 | 0 | 0 | Boone |
| Brief Description: The supercell that spawned the tornado near Midway created another tornado that first caused damage near Hinton. A couple of farm equipment buildings and a garage were destroyed. Near Hallsville, one home lost its roof and an equipment building was destroyed. 3 grain bins were destroyed with one landing about 3/4 mile from its original location. To the southeast of Hallsville 3 homes suffered roof damage, 1 barn, 2 equipment buildings and a grain bin were destroyed. | |||||||||||
| 43.8 | 1990-11-27 | 3 | 38°57'N / 92°20'W | 39°05'N / 92°13'W | 12.00 Miles | 50 Yards | 0 | 3 | 25.0M | 0 | Boone |
| 44.3 | 1969-10-10 | 2 | 39°14'N / 90°44'W | 0.30 Mile | 100 Yards | 0 | 4 | 25K | 0 | Calhoun | |
| 44.5 | 1984-04-29 | 2 | 38°13'N / 91°36'W | 38°22'N / 91°27'W | 14.00 Miles | 10 Yards | 0 | 10 | 25.0M | 0 | Gasconade |
| 45.4 | 1980-05-12 | 2 | 38°44'N / 92°25'W | 38°52'N / 92°10'W | 16.20 Miles | 33 Yards | 0 | 0 | 25K | 0 | Boone |
| 45.9 | 1954-03-25 | 3 | 38°48'N / 90°48'W | 38°56'N / 90°26'W | 21.60 Miles | 20 Yards | 0 | 0 | 25K | 0 | St. Charles |
| 45.9 | 1975-04-23 | 2 | 39°37'N / 91°32'W | 39°35'N / 91°24'W | 7.30 Miles | 33 Yards | 0 | 0 | 25K | 0 | Ralls |
| 46.6 | 1998-11-10 | 3 | 38°57'N / 92°20'W | 38°57'N / 92°20'W | 2.00 Miles | 70 Yards | 0 | 16 | 6.0M | 0 | Boone |
| Brief Description: Close to 50 homes or businesses were destroyed or suffered major damage from an early morning tornado that hit on the southeast side of Columbia. Miraculously, only 16 people were injured, most minor cuts and bruises, by the the multiple-vortex tornado which reached F3 intensity. The tornado first touched down in the South Ridge Subdivision where at least 20 homes were virtually destroyed. On Lakespur Court, 5 homes here suffered considerable roof and wall damage as the tornado quickly reached F2 strength. The tornado moved north-northeast and crossed Churchill Street. The upper half of a two-story house in this area was completely destroyed. As the tornado continued northeast, it briefly reached F3 intensity at the corner of Saratoga and Lupine Drives. A ranch home in this area was completely levelled. Other nearby homes in this area sustained severe roof and wall damage. Large trees that were downed fell in a definite convergent pattern. The tornado tracked northeast across Balmoral and Caliente Courts and Hialeah Drive. About 15 homes in this area sustained major damage. Several homes in this area were speared by 2 by 4 boards driven by the wind. Severe roof damage was also noted on several homes on Solano Court. The tornado caused significant damage to seven large homes on Le Mesa Drive. It was noted in this area that the walls of two homes were drawn in toward the center axis of the tornado. The tornado crossed Highway 63 and caused at least $400,000 in damage in the Concorde Office and Industrial Plaza. Metal roofs and walls and loading dock doors were blown away on several buildings. At one warehouse, the damage tripped the sprinkler system which then flooded the inside of the building. | |||||||||||
| 49.2 | 2009-03-08 | 2 | 39°02'N / 90°34'W | 39°03'N / 90°33'W | 1.00 Mile | 100 Yards | 0 | 0 | 0K | 0K | Jersey |
| Brief Description: EVENT NARRATIVE: The tornado touched down along the eastern shore of the Illinois River in the Hadley Landing Public Access Area. Two cabins sustained minor roof and siding damage while a third cabin sustained severe damage. A fourth cabin was totally destroyed. Numerous large trees were also severed or snapped off near the base of the trunk just east of the cabin. Debris from the destroyed cabin extended over 300 yards to the east northeast. The damage over this area was rated low end EF2. The tornado travelled northeastward and caused additional tree damage in the flood plain. The tornado approached the intersection of Illinois Route 100 and Coon Creek Road. A farmstead at this location sustained varying degrees of damage. One machine shed sustained roof and side damage while a small garage was totally destroyed. The farm home sustained minor roof damage before the tornado lifted and dissipated. EPISODE NARRATIVE: A strong cold front moved through the region triggering showers and thunderstorms. Damaging winds, large hail and tornadoes were reported with the storms. | |||||||||||
| 49.3 | 1999-02-11 | 2 | 39°18'N / 90°46'W | 39°25'N / 90°41'W | 9.00 Miles | 100 Yards | 0 | 0 | 300K | 0 | Calhoun |
| Brief Description: The Annada, MO tornado crossed the Mississippi River west of Mozier and continued northeast for about 9 miles across Calhoun County, IL. The tornado reached a maximum intensity of F2 with a damage path up to 100 yards wide. The tornado first damaged a home as it crossed Highway 96 north of Mozier. A 2 car garage was destroyed, the porch destroyed and several windows were blown out. The tornado moved northeast up West Panther Creek Hollow where it reached F2 intensity. One home was destroyed with only 2 walls left standing. 2 x 4 boards became missiles with several driven into walls and into the ground. Half of the roof of another nearby home was also blown off. 3 other homes suffered minor damage. Several outbuildings were also destroyed and numerous trees were uprooted along the path. | |||||||||||
| 50.0 | 2006-03-12 | 4 | 39°27'N / 92°11'W | 39°39'N / 91°44'W | 29.00 Miles | 500 Yards | 0 | 0 | 0 | 0 | Monroe |
| Brief Description: As the first Monroe County tornado dissipated, another formed just to the southeast. The two tornadoes traveled parallel for about 100 yards. The second tornado damaged a home shortly after forming and then continued northeast causing tree, barn and farm outbuilding damage and as it moved through rural areas near Holliday and then to Paris. About 1 mile north of Paris the tornado destroyed 2 homes, one very well built, near the Highway 15 Spur. A pickup truck was tossed over 100 yards into the living room of one home. This home had one wall that remained standing while the other was completely leveled. Debris from one home was found over a half mile to the northeast. The damage was rated F4 and was about one quarter mile wide. The tornado moved northeast and destroyed 2 mobile homes and damaged 2 other homes near US 24. Numerous trees were also either snapped or uprooted. The tornado continued through rural areas and moved into Monroe City. Several mobile homes were destroyed on the west side of town. A church sustained considerable roof and wall damage and other buildings suffered roof damage. The tornado dissipated over the northeast side of town. | |||||||||||
* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.