Mercer County, Missouri
Tornadoes, hail, floods and severe storms recorded here between 1955 and 2025, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
17
Tornado reports
89
Hail reports
13
Floods since 1996
287
All events
0
Deaths
$1.0M
Property damage
Tornado paths in Mercer County
The part of each tornado’s path NOAA recorded in this county, 17 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
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.
Winter Storm Winter Storm
Winter storm oved across the area evening of the 28th, through the overnight hours and exited the region by mid-afternoon on the 29th. Snow reports gathered on the 29th yielded up to around 5 to 7 inches to the south in Grundy and east in Putnam and Sullivan counties. While no of…
Thunderstorm Wind Thunderstorm Wind
Downed tree limbs reported in the Lineville area near the Iowa state line.
Thunderstorm Wind Thunderstorm Wind
Trees uprooted just south of the Iowa state line along US Highway 65 north of Mercer.
Thunderstorm Wind Thunderstorm Wind
Wires down and widespread power outages in northern Mercer County.
Thunderstorm Wind Thunderstorm Wind
Damage to a structure along US Highway 65 along with a snapped power pole.
Heavy Rain Heavy Rain
Personal weather station in far NW Mercer County just south of the Iowa border reports 5.95 inches of rain over the course of about 36 hours.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The ASOS at Chillicothe reported wind chills between -15 and -20 between 1 am and 11 am on Feb 18th, with temperatures between 0 and -1 degrees. Wind chills once again dropped to between -14 and -20 degrees between 11 pm on Feb 19 and 9 am on Feb 20th, with temperatures dropping …
Heavy Snow Heavy Snow
Mercer County received 5 plus inches of snow across northern portions of the county. A Cocorahs observer near the Iowa border reported 6.3 of snow.
Winter Storm Winter Storm
A major winter storm impacted the region Saturday Jan 4th through late night Sunday Jan 5th/early morning Monday Jan 6th. For Mercer County, major impacts occurred during the morning and afternoon hours of Sunday Jan 5th, when moderate to heavy snow fell. The COOP observer in Pri…
Hail Hail
Quarter sized hail was reported in Mercer.
Hail Hail
Two inch sized hail was reported in Ravanna.
Thunderstorm Wind Thunderstorm Wind
Estimated wind gusts of 60 mph in the community of Ravanna.
Tornado EF0 Tornado
A weak EF0 tornado began southeast of Spickard east of 7th Avenue, producing sporadic and intermittent tree damage along its path. The tornado tracked north-northeast across Hwy B and County Line Road into Mercer County before dissipating north of Jasper Road.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The high and low temperatures at Lamoni airport were as follows: Jan 12: High: 21 Low: 4 Jan 13: High: 4 Low: -16 Jan 14: High: -9 Low: -18 Jan 15: High: 0 Low: -16 Jan 16: High: 6 Low: -9 Jan 17: High: 23 Low: 0 Jan 18: High: 25 Low: 6 Jan 19: High: 6 Low: -9 Jan 20: High: 9 Low…
Heavy Snow Heavy Snow
Grundy County EM reported 12 inches of snow near South Lineville in Mercer County.
Heavy Snow Heavy Snow
Grundy County EM reported 12 inches of snow near South Lineville in Mercer County.
Heat Heat
Max heat indices during the afternoons of August 19th through August 25th, 2023 primarily ranged from the 110 to 120 degree range.
Flash Flood Flash Flood
Heavy rain led to flash flooding in Mercer and Grundy Counties. A water rescue was performed on US 65 north of Spickard.
Drought Drought
Severe drought (D2) improved to moderate drought (D1) by mid August.
Drought Drought
While some areas saw some average or above average rain through July, most of the area across eastern Kansas saw the severe drought conditions continue through the month of July. As of now, widespread drought impacts have not been reported.
Thunderstorm Wind Thunderstorm Wind
Large tree branches downed across Mill Grove.
Thunderstorm Wind Thunderstorm Wind
Large tree branches downed across Mill Grove.
Thunderstorm Wind Thunderstorm Wind
Large tree branches downed across Princeton.
Drought Drought
After 2 months of relatively dry conditions portions of Missouri were brought into severe drought conditions. According to the Advanced Hydrologic Precipitation Service page there was a deficit of 2-5 inches across May and June which led to the declaration and maintenance of seve…
Hail Hail
A supercell produced hail across Princeton in central Mercer County, with 1.5 hail being the largest hail report received from the town.
Hail Hail
A supercell produced golf ball sized hail in far southern Mercer County northwest of Spickard.
Thunderstorm Wind Thunderstorm Wind
A metal lean-to was knocked over.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
An arctic air mass sent temperatures below zero along with strong winds. Minimum wind chills across the region generally ranged from -30 to -40 degrees between roughly 10 am on 12/22 to noon on 12/23.
Thunderstorm Wind Thunderstorm Wind
Several trees were uprooted in the western part of Mercer County. Location and time was estimated via radar.
Thunderstorm Wind Thunderstorm Wind
Public reported 60 mph wind.
Hail Hail
Winter Storm Winter Storm
Several reports from across the area indicated around 6-8 inches of snow Mercer County.
Winter Storm Winter Storm
Trained spotters and COOP Observers in the area reported 5-6 inches of snow.
High Wind High Wind
Through the afternoon on December 15th strong wind caused sustained winds in the 40 to 50 mph range, with frequent gusts well over 60 mph. While most ASOS and AWOS stations recorded gusts around 65 mph, there were several reports of higher winds and damage representative of aroun…
Flash Flood Flash Flood
Emergency management reported that gravel roads just west of Route U were running over with water.
Flash Flood Flash Flood
An ambulance barn was evacuated due to flooding rains.
Flash Flood Flash Flood
Water rescues occurred at Highway 136 and Highway 65 in Princeton.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Emergency management reported 60 mph wind.
Thunderstorm Wind Thunderstorm Wind
Outbuilding was blown down in the Moderna area. There was also damage to some vehicles and power poles were snapped.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
In the third night of bitter cold across the area, temperatures dropped well below zero and with winds around 10-20 mph wind chills overnight going into Sunday morning dropped to around 20 to 30 below.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
In the second night of bitter cold across the area, temperatures dropped well below zero and with winds around 10-20 mph wind chills overnight going into Monday morning dropped to around 20 to 30 below.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
In the first night of bitter cold across the area, temperatures dropped well below zero and with winds around 10-20 mph wind chills overnight going into Sunday morning dropped to around 20 to 30 below.
Winter Storm Winter Storm
Light to moderate snow moved into far northwest Missouri on the morning of January 25, by mid day roughly 6 inches of snow fell, and by the end of the event roughly 6 to 7 inches of snow fell across the county.
Winter Storm Winter Storm
During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderat…
Thunderstorm Wind Thunderstorm Wind
There was a Twitter report of some power poles blown down near Lake Marie.
Winter Storm Winter Storm
Light snow fell off and on through the day on Thursday, accumulating about an inch; however, by mid to late afternoon the snow picked up intensity. One to two inch per hour snow rates were reported across the area for periods. Numerous reports of very low visibility due to very h…
Winter Storm Winter Storm
Freezing rain occurred through much of the night going into January 11, and caused around a quarter to one-third inch accumulation. This occurred prior to about 2 to 3 inches of snow falling. This resulted in several auto accidents.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 9 | 0 |
| 2024 | 7 | 1 |
| 2023 | 11 | 0 |
| 2022 | 6 | 0 |
| 2021 | 12 | 0 |
| 2020 | 4 | 0 |
| 2019 | 2 | 0 |
| 2018 | 13 | 0 |
| 2017 | 3 | 1 |
| 2016 | 2 | 0 |
| 2015 | 11 | 1 |
| 2014 | 15 | 1 |
| 2013 | 9 | 0 |
| 2012 | 13 | 0 |
| 2011 | 7 | 0 |
| 2010 | 9 | 1 |
| 2009 | 4 | 0 |
| 2008 | 8 | 0 |
| 2007 | 6 | 0 |
| 2006 | 18 | 0 |
| 2005 | 12 | 0 |
| 2004 | 16 | 1 |
| 2003 | 11 | 1 |
| 2002 | 6 | 0 |
| 2001 | 15 | 0 |
| 2000 | 14 | 0 |
| 1999 | 2 | 0 |
| 1998 | 3 | 0 |
| 1997 | 6 | 0 |
| 1996 | 1 | 0 |
| 1994 | 2 | 0 |
| 1993 | 1 | 0 |
| 1992 | 1 | 0 |
| 1989 | 1 | 0 |
| 1988 | 1 | 0 |
| 1979 | 1 | 0 |
| 1976 | 1 | 0 |
| 1975 | 1 | 0 |
| 1973 | 2 | 1 |
| 1971 | 1 | 0 |
| 1969 | 5 | 0 |
| 1964 | 1 | 0 |
| 1963 | 1 | 0 |
| 1962 | 1 | 0 |
| 1960 | 5 | 3 |
| 1959 | 3 | 3 |
| 1958 | 1 | 1 |
| 1957 | 1 | 1 |
| 1956 | 1 | 0 |
| 1955 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Mercer County, measured to its path.
We couldn’t get your location. Check that location access is allowed for this site, or type an address.