NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Monmouth, IL
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
1 tropical system has passed within 75 miles of Monmouth, Illinois since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1900. Since 1950, 111 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 1
- Tornadoes
- 111
- EF3 or stronger
- 3
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
1 deaths in all
What the records show for Monmouth
None of the 1 tropical systems was at hurricane strength as it passed Monmouth; the strongest was an unnamed storm in 1900, a tropical storm with 49 mph winds when its centre passed 70 miles away. Of the 548 Illinois cities on this site, 57% have more tropical storms and hurricanes within 75 miles than Monmouth. The strongest of the 111 tornadoes within 25 miles was an F4 on May 13, 1995; its path came within 15 miles. The deadliest, an F2 on September 26, 1959, killed 1 person. Of the 111, 14 had paths within 5 miles of the city centre, and 51 have come since 2000. April has had the most tornadoes, 34. The most recent tornado was on June 3, 2025. Of the 548 Illinois cities, 68% have more tornadoes within 25 miles than Monmouth. Hail has been reported within 10 miles 43 times since 1969, with stones up to 1.75 inches (golf ball size). Of the 548 Illinois cities, 87% have more hail reports within 10 miles than Monmouth.
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Tropical storms and hurricanes near Monmouth
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1900 | Unnamed 1900 stormSep 11 | 70 mi | Tropical storm (49 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Monmouth: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Monmouth
By decade
- 2020s17
- 2010s18
- 2000s16
- 1990s31(1 EF3+)
- 1980s6
- 1970s11(1 EF3+)
- 1960s7
- 1950s5(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 13, 1995 | F4 | 15 mi | 50 mi | 0 / 7 |
| Jun 14, 1974 | F3 | 8 mi | 48.6 mi | 0 / 2 |
| May 21, 1957 | F3 | 21 mi | 13.7 mi | 0 / 0 |
| Sep 26, 1959 | F2 | 2 mi | 4.9 mi | 1 / 0 |
| Jun 15, 2019 | EF2 | 22 mi | 1.3 mi | 0 / 0 |
| Jun 15, 2019 | EF2 | 23 mi | 1.82 mi | 0 / 0 |
| Mar 15, 2016 | EF2 | 21 mi | 8.23 mi | 0 / 0 |
| Jul 16, 2015 | EF2 | 3 mi | 5.95 mi | 0 / 1 |
| Jul 16, 2015 | EF2 | 3 mi | 1.72 mi | 0 / 0 |
| Apr 13, 2006 | F2 | 24 mi | 2 mi | 0 / 0 |
| May 10, 2003 | F2 | 14 mi | 69.2 mi | 0 / 4 |
| Apr 5, 1999 | F2 | 17 mi | 9.4 mi | 0 / 0 |
The strongest 12 of 111, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Monmouth
The Storm Prediction Center has 43 hail reports within 10 miles of Monmouth since 1969, made on 30 separate days. Of these, 26 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 11 days, most recently April 8, 2020. The most recent report is from May 26, 2022. June has the most reports, 10.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Monmouth
The nearest NOAA station with 1991–2020 climate normals is Monmouth, IL, 2 miles north of Monmouth at 720 feet. July is the warmest, with an average high of 84°F and low of 64°F; January is the coolest, at 31°F and 15°F. May is the wettest at 5.2 inches of precipitation on average and January the driest at 1.9 inches; the year adds up to 39.6 inches over 71 days with at least a tenth of an inch. Highs reach 90°F on about 19 days a year, almost all from June to September. Lows fall below freezing on about 127 nights a year. Snowfall averages 25.6 inches a year, most of it in January. That 39.6 inches is more than at 67 of the 146 Illinois stations used on this site (46%). Galesburg, 15 miles east, has its own station (Galesburg, IL): 39.0 inches a year, 0.6 less than here, and the same July average high, 84°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 31 | 15 | 1.9 | 5 | 8.7 |
| Feb | 36 | 19 | 2.0 | 5 | 6.1 |
| Mar | 50 | 29 | 2.6 | 6 | 3.3 |
| Apr | 63 | 40 | 4.0 | 8 | 1.1 |
| May | 73 | 51 | 5.2 | 9 | 0.0 |
| Jun | 81 | 60 | 4.5 | 8 | 0.0 |
| Jul | 84 | 64 | 4.0 | 6 | 0.0 |
| Aug | 83 | 62 | 3.9 | 6 | 0.0 |
| Sep | 77 | 54 | 3.7 | 5 | 0.0 |
| Oct | 65 | 42 | 3.0 | 5 | 0.2 |
| Nov | 49 | 31 | 2.6 | 5 | 1.4 |
| Dec | 37 | 21 | 2.2 | 4 | 4.8 |
| Year | 61 | 40 | 39.6 | 71 | 25.6 |
Averages for 1991–2020 at Monmouth, IL (720 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Monmouth
Since 1996, the National Weather Service has logged 95 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Monmouth: 88 thunderstorm wind reports and 7 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $1.1 million in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on August 23, 2007. June has had the most flash floods, 3 of 7. Of the 547 Illinois cities on this site with a flash flood on record, 70 have had fewer than Monmouth.
September 11, 2000: thunderstorm wind in Monmouth — $500,000 damage.
NWS: “Damaging straight line winds estimated at near 60 mph toppled acres of corn and soybeans in and around Monmouth.”
August 23, 2007: thunderstorm wind 7 miles from the centre of Monmouth — $250,000 damage.
NWS: “Straight-line winds estimated to be around 100 mph blew down several large trees, ripped part of a roof off a house, displaced and dented several grain silos, and flattened numerous corn fields between Kirkwood, IL and Monmouth, IL. Some of the trees fell onto houses and other structures (EF Scale rating: EF1).”
September 22, 2000: thunderstorm wind 6 miles from the centre of Monmouth — $100,000 damage.
NWS: “Straight line winds flattened several acres of corn throughout the county.”
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Warren County, which includes Monmouth, has been named in 9 federal disaster or emergency declarations since 1993, 6 of them major disasters (by incident: 2 biological emergencies, 2 floods, 2 severe storms, 2 snowstorms). The latest major disaster declaration was Severe Storms and Flooding, on August 15, 2023. FEMA's National Risk Index gives Warren County a Very Low rating for natural hazard risk overall; by hazard: Relatively Low for tornadoes, hail, strong wind, lightning and heat waves; Very Low for hurricanes and inland flooding. It models the county's expected loss from all 18 hazards it covers at $7.0 million a year, the 89th highest of 102 Illinois counties; of the hazards above, the largest share, $1.7 million (24%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Monmouth
- Galesburg, IL15 mi
- Abingdon, IL15 mi
- Knoxville, IL19 mi
- Aledo, IL20 mi
- Burlington, IA26 mi
- Bushnell, IL26 mi
- Mediapolis, IA26 mi
- Sherrard, IL28 mi
- West Burlington, IA29 mi
- Macomb, IL32 mi
- Wapello, IA32 mi
- Orion, IL33 mi
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