BlockBefore

Round Knob, Illinois

23 topographic sheets cover this place, the earliest surveyed in 1926 and the latest in 1996. It stands in Grant precinct. It lies in ZIP code area 62960. The Survey maps it on the Metropolis quadrangle. It stands 394 feet above sea level.

Round Knob within Massac County

Topographic sheets covering this place

15 surveys from 23 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

Fires near this place

39 since 2008

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 39 fires within 5 miles of Round Knob between 2008 and 2013, burning about 59 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause Fires
Missing data/not specified/undetermined22
Debris and open burning12
Equipment and vehicle use4
Railroad operations and maintenance1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
18 September 2010Missing data/not specified/undetermined1.0 acresIllinois Division of Forestry ResourcesHORSTMAN
7 August 2012Equipment and vehicle use5.0 acresIllinois Division of Forestry ResourcesKRUSER
6 August 2012Debris and open burning5.0 acresIllinois Division of Forestry ResourcesBUNTING
6 August 2012Missing data/not specified/undeterminedunder an acreIllinois Division of Forestry ResourcesPORTIAN
4 August 2012Missing data/not specified/undeterminedunder an acreIllinois Division of Forestry ResourcesI24 M 29
31 August 2012Missing data/not specified/undeterminedunder an acreIllinois Division of Forestry ResourcesCOUNTY
30 August 2011Equipment and vehicle use1.0 acresIllinois Division of Forestry ResourcesMERMET FLATS
28 August 2012Debris and open burning1.0 acresIllinois Division of Forestry ResourcesSUTTER

Settlements close enough to share some of these fires:

Every fire recorded in Massac County

Mines and quarries near this place

2 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Round Knob: 2 occurrences. None of them still produces. What was taken out: Fire Clay (Refractory). Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
Shawnee Low Interest Refractory Clay DepositFire Clay (Refractory)OccurrenceSedimentary
Shawnee Medium Interest Refractory Clay DepositFire Clay (Refractory)OccurrenceSedimentary

Every working recorded in Massac County

Storms near this place

32 since 1999

Regional context, not property-specific evidence. The National Weather Service names Round Knob in 32 storm reports between 1999 and 2025: 16 thunderstorm wind, 9 hail, 4 heavy rain, 1 tornado. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

WhenEvent Place namedHarm What the report says
July 2023Flash FloodRound Knob$250,000no account filed
April 1999Thunderstorm WindRound Knob$50,000A thunderstorm downburst with winds estimated near 100 MPH damaged roofs and metal barns. Scattered trees were down, along with some power lines. Most of the homes in the path of the downburst sustained only minor roof damage. The most severely damaged house had its roof peeled back and thrown 200 yards into a field. The path of the microburst was about 1 mile wide and at least 2.5 miles long.
March 2023Thunderstorm WindRound Knob$40,000Near Round Knob, a large section of shingles was removed from a home. Trees and power poles were down in the Unionville area.
June 2013Thunderstorm WindRound Knob$30,000A church under construction was blown down. Most of the framing had been erected.
July 2025LightningRound Knob$15,000Lightning struck a barn on Mermet Rd, which resulted in a fire that fully engulfed the barn and burned it down.
April 2011Thunderstorm WindRound Knob$13,000At Round Knob, a wind gust to 62 mph was measured. There were numerous measured winds from 50 to 60 mph for an hour, along with heavy rain and three separate hail events. There was wind damage to siding and an exterior door of a house. A few trees were down in Metropolis. Scattered large tree limbs were blown down in the New Columbia and Big Bay areas.
September 2012Thunderstorm WindRound Knob$10,000Several large trees were blown down, and tree tops were blown out. About half the city of Metropolis was reported to be out of power. The highest wind gusts were estimated near 60 mph. The tree damage area included Joppa, Metropolis, and the Midway area.
June 2011HailRound Knob$10,000Most of the hailstones were half-dollar size, but a number of stones measured 1.75 inches in diameter. Some dents were observed in vehicles.
April 2023Thunderstorm WindRound Knob$8,000Several trees and large limbs were down at Airport Road.
July 2023Thunderstorm WindRound Knob$7,000The second damaging wind gust within two hours occurred in the Round Knob and New Columbia areas. Large tree branches and several trees were blown down near New Columbia. A wind gust to 70 mph was reported at Round Knob.
June 2019Thunderstorm WindRound Knob$6,000Trees were blown down in the Round Knob area. Winds gusted to over 60 mph.
November 2017Tornado (EF0)Round Knob$5,000A very brief EF-0 tornado touched down with peak winds of 65 mph. A cedar tree was snapped. Limbs were broken off several trees. A residence sustained shingle damage.
June 2013Heavy RainRound Knob$3,000A spotter near Round Knob measured 4.87 inches of rain. The majority of the heavy rain fell in a six-hour window ending at 0800 Local Standard Time. There was considerable street flooding in Metropolis. Two cars were flooded with about three inches of water in them.
September 2006Thunderstorm WindRound Knob$2,000A microburst about three-quarters of a mile long and up to one-quarter mile wide occurred in a cornfield. A nearby barn sustained some damage.
December 2015Heavy RainRound Knob-The 48-hour rainfall total ending on the morning of the 28th was 4.88 inches. Numerous fields were covered with water. Ditches and creeks were full or overflowing their banks.
January 2012Thunderstorm WindRound Knob-A trained spotter measured a wind gust to 60 mph.
February 2012Thunderstorm WindRound Knob-A wind gust was measured to 60 mph.
September 2012Thunderstorm WindRound Knob-A trained spotter estimated a wind gust to 65 mph.
May 2011Thunderstorm WindRound Knob-Measured wind gusts from 60 to 65 mph persisted for several minutes.
April 2011Thunderstorm WindRound Knob-A wind gust to 76 mph was measured near Round Knob. An estimated wind gust to 60 mph occurred in Metropolis.
June 2011Heavy RainRound Knob-Several roads were closed in Metropolis. Water was up to two feet deep on U.S. Highway 45. A trained spotter near Round Knob measured about two inches during the morning, with lots of standing water in fields.
July 2011Heavy RainRound Knob-A trained spotter measured 0.78 inches of rain in 15 minutes.
June 2018HailRound Knob-no account filed
April 2016HailRound Knob-no account filed
July 2016HailRound Knob-no account filed
August 2013HailRound Knob-no account filed
January 2012HailRound Knob-no account filed
March 2012Thunderstorm WindRound Knob-no account filed
April 2011Thunderstorm WindRound Knob-no account filed
April 2011HailRound Knob-no account filed
June 2011HailRound Knob-no account filed
November 2005HailRound Knob-no account filed

Every storm recorded in Massac County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Map PlaceDistance Sheets
Choat4.0 miles19
New Columbia4.8 miles17
Big Bay4.9 miles21
Midway5.5 miles23
Mermet6.0 miles17
Joppa6.3 miles19
Samoth6.5 miles17
Metropolis6.6 miles23

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikidata item Q7371064The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 416986. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.