Montgomery County, MO Environment & Hazard Risk

• Heat waveRelatively Moderate$1.94M/yr expected annual loss, about 11 events a year
• LandslideRelatively Low$22.15K/yr expected annual loss, about once every 3 years
• EarthquakeRelatively Low$606K/yr expected annual loss, about once every 378 years
• HailRelatively Low$332K/yr expected annual loss, about 4.8 events a year
• DroughtRelatively Low$201K/yr expected annual loss, about 6.9 events a year
• Ice stormRelatively Low$94.73K/yr expected annual loss, about 1.1 events a year
• WildfireVery Low$27.17K/yr expected annual loss, about once every 1,753 years
• LightningRelatively Low$137K/yr expected annual loss, about 50 events a year
• Cold waveRelatively Low$552K/yr expected annual loss, about 2.3 events a year
• Strong windRelatively Low$267K/yr expected annual loss, about 4.8 events a year
• TornadoRelatively Low$484K/yr expected annual loss, about once every 3 years
• Winter weatherRelatively Low$20.29K/yr expected annual loss, about 9.3 events a year
• HurricaneVery Low$5,330/yr expected annual loss, about once every 144 years

Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: avalanche, coastal flooding, riverine flooding, tsunami, volcanic activity.

Check the flood zone for an address

Homes with flood insurance

5 of 7,164 (0.1%)

Homes in high-risk flood zones

123

Insured in high-risk zones

3 (2%)

Flood claims since 1978

126

Claims paid since 1978

$1.29M

• Hail101
• Thunderstorm Wind86
• Winter Storm36
• Heat30
• Flash Flood28
• Excessive Heat26
• Tornado17
• Flood9
• Heavy Snow8
• Drought7

• Heat08/28/2000

  Montgomery

  3 injured

  What happened

  A late summer Heat Wave hit the region as temperatures rose into the middle to upper 90s with the heat Index ranging from 105 to around 110 degrees. Many area schools either closed or reduced class time to a half day because of the heat.

• TornadoF3, 4 mi path, 300 yd wide03/13/2006

  Jonesburg, Montgomery County

  1 injured, $800K damage

  What happened

  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...

• Flash Flood06/12/2002

  North Portion, Montgomery County

  1 injured

  What happened

  Heavy rain flooded numerous roads across the north part of Montgomery County. One car was swept off of Route W four miles south of Vandalia. A woman suffered minor injuries.

• Heat07/26/2002

  Montgomery

  1 injured

  What happened

  High temperatures across Central, Eastern and Southeast Missouri rose to the middle to upper 90's with Heat Indices from 105 to near 115 degrees. There was a one day break in the heat as a weak cold front dropped high temperatures into the upper 80's on July29. However temperatures quickly rebounded and remained high into August. About 100 people had to be treated for heat related illnesses at the St. Louis Cardinals baseball game on July 27.

• Heat08/15/2003

  Montgomery

  1 injured

  What happened

  A late summer heat wave hit in mid August, just as many area schools were starting the new school year. As a result, most schools reduced their schedule to a half day while a few closed completely. There were two deaths reported by the State Health Department that were heat related. One occurred in St. Louis County with the other in the City of St. Louis. High temperatures ranged from the mid 90's to around 100 degrees. Columbia had five straight days of 100 degrees or higher, hitting 105 degrees on August 21st. St. Louis had a high of 104 degrees which also occurred on the 21st.

• Thunderstorm Wind56 kt wind06/14/2018

  Danville, Montgomery County

  1 injured

  What happened

  Thunderstorm winds blew over a semi on eastbound Interstate 70 near mile marker 172. The driver sustained minor injuries.

• Excessive Heat07/27/2026

  Montgomery

• Winter Storm11/29/2025

  Montgomery

• Excessive Heat08/15/2025

  Montgomery

• Hail2" hail05/16/2025

  Liege, Montgomery County

• Thunderstorm Wind56 kt wind04/20/2025

  Wellsville, Montgomery County

• Winter Storm01/05/2025

  Montgomery

• TornadoEF0, 1.87 mi path, 25 yd wide11/05/2024

  Liege, Montgomery County

• Thunderstorm Wind64 kt wind06/25/2024

  Wellsville, Montgomery County

• Monroe County Pwsd 2Serves 6,700 · Purchased surface water · Local governmentNo health violations+6 monitoring or reporting
• Montgomery Co Pwsd 1Serves 3,850 · Groundwater · Local government1 health violation+4 monitoring or reporting
• Montgomery City PwsServes 2,811 · Groundwater · Local governmentNo health violations
• Wellsville PwsServes 1,210 · Purchased surface water · Local governmentNo health violations+7 monitoring or reporting
• New Florence PwsServes 769 · Groundwater · Local governmentNo health violations+1 monitoring or reporting
• Jonesburg PwsServes 768 · Groundwater · Local governmentNo health violations
• Bellflower PwsServes 350 · Groundwater · Local government1 health violation+4 monitoring or reporting
• High Hill PwsServes 300 · Groundwater · Local government1 health violation+1 monitoring or reporting