NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Monmouth, OR
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
No tropical storm or hurricane has passed within 75 miles of Monmouth, Oregon since records began in 1851. Since 1950, 13 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 13
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Monmouth
The strongest of the 13 tornadoes within 25 miles was an EF2 on December 14, 2010; its path came within 21 miles. Of the 13, none had a path within 5 miles of the city centre, and 5 have come since 2000. September has had the most tornadoes, 5. The most recent tornado was on October 29, 2018. Monmouth has more tornadoes within 25 miles than 57% of the 149 Oregon cities on this site.
Compare Monmouth's storm record with another city →
Tornadoes within 25 miles of Monmouth
By decade
- 2010s2
- 2000s3
- 1990s7
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Dec 14, 2010 | EF2 | 21 mi | 5 mi | 0 / 2 |
| Jun 21, 2003 | F1 | 7 mi | 0.3 mi | 0 / 0 |
| Mar 8, 1960 | F1 | 21 mi | 1 mi | 0 / 0 |
| Oct 29, 2018 | EF0 | 17 mi | 0.1 mi | 0 / 0 |
| Jun 4, 2009 | EF0 | 21 mi | 1.5 mi | 0 / 0 |
| Sep 28, 2007 | EF0 | 25 mi | 1 mi | 0 / 0 |
| Sep 17, 1997 | F0 | 22 mi | 0.5 mi | 0 / 0 |
| Sep 17, 1997 | F0 | 16 mi | 1 mi | 0 / 0 |
| Sep 15, 1997 | F0 | 15 mi | 0.5 mi | 0 / 0 |
| Sep 15, 1997 | F0 | 16 mi | 0.2 mi | 0 / 0 |
| Jun 1, 1997 | F0 | 12 mi | 1.5 mi | 0 / 0 |
| May 31, 1997 | F0 | 19 mi | 1.5 mi | 0 / 0 |
The strongest 12 of 13, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Monmouth
The Storm Prediction Center has no hail reports within 10 miles of Monmouth since 1955.
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 Falls City 2 SSW, OR, 8 miles northwest of Monmouth at 690 feet. August is the warmest, with an average high of 81°F and low of 50°F; January is the coolest, at 45°F and 33°F. December is the wettest at 16.4 inches of precipitation on average and July the driest at 0.4 inches; the year adds up to 81.3 inches over 116 days with at least a tenth of an inch. Highs reach 90°F on about 13 days a year, almost all from June to September. Lows fall below freezing on about 70 nights a year. Snowfall averages 9.6 inches a year, most of it in December. That 81.3 inches is more than at 71 of the 77 Oregon stations used on this site (92%). Independence, 7 miles northeast, has its own station (Dallas 2 NE, OR): 47.9 inches a year, 33.4 less than here, and an August average high of 83°F against 81°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 45 | 33 | 13.8 | 16 | 2.6 |
| Feb | 49 | 33 | 9.7 | 14 | 1.8 |
| Mar | 53 | 35 | 9.3 | 15 | 1.1 |
| Apr | 58 | 38 | 6.7 | 12 | 0.0 |
| May | 65 | 43 | 2.9 | 7 | 0.0 |
| Jun | 70 | 47 | 1.7 | 4 | 0.0 |
| Jul | 80 | 50 | 0.4 | 1 | 0.0 |
| Aug | 81 | 50 | 0.5 | 1 | 0.0 |
| Sep | 75 | 48 | 2.1 | 4 | 0.0 |
| Oct | 62 | 43 | 6.3 | 10 | 0.0 |
| Nov | 51 | 37 | 11.5 | 15 | 0.5 |
| Dec | 45 | 33 | 16.4 | 17 | 3.6 |
| Year | 61 | 41 | 81.3 | 116 | 9.6 |
Averages for 1991–2020 at Falls City 2 SSW, OR (690 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 32 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Monmouth: 28 floods, 2 heavy rain events and 2 thunderstorm wind reports. None is recorded as killing or injuring anyone; the NWS estimated $5.4 million in property and crop damage. The strongest thunderstorm gust on record here was 85 mph, on January 15, 1996.
January 18, 2012: flood 8 miles from the centre of Monmouth — $3.0 million damage.
December 4, 2007: flood 6 miles from the centre of Monmouth — $1.0 million damage.
NWS: “The Luckiamute River flooded near Suver, causing minor flooding. NOTE: Damage estimates are for the entire Polk county.”
January 20, 2012: flood 8 miles from the centre of Monmouth — $1.0 million damage.
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
Polk County, which includes Monmouth, has been named in 15 federal disaster or emergency declarations since 1964, 13 of them major disasters (by incident: 8 severe storms, 4 floods, 2 biological emergencies, 1 coastal storm). The latest major disaster declaration was Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides, on April 7, 2026. FEMA's National Risk Index gives Polk County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for heat waves; Relatively Low for inland flooding and lightning; Very Low for tornadoes, hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $37.9 million a year, the 19th highest of 36 Oregon counties; of the hazards above, the largest share, $14.7 million (39%), 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
- Independence, OR7 mi
- Dallas, OR9 mi
- Jefferson, OR14 mi
- Corvallis, OR15 mi
- Albany, OR16 mi
- Philomath, OR16 mi
- Turner, OR17 mi
- Salem, OR18 mi
- Keizer, OR19 mi
- Sheridan, OR21 mi
- Amity, OR22 mi
- Aumsville, OR22 mi
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