NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Corvallis, 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 Corvallis, Oregon since records began in 1851. Since 1950, 10 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 10
- 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 Corvallis
The highest rating among the 10 tornadoes within 25 miles is F1, reached 2 times; the most recent, on June 21, 2003, came within 19 miles. Of the 10, none had a path within 5 miles of the city centre, and 6 have come since 2000. June has had the most tornadoes, 4. The most recent tornado was on August 6, 2025. Corvallis has more tornadoes within 25 miles than 50% of the 149 Oregon cities on this site.
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Tornadoes within 25 miles of Corvallis
By decade
- 2020s2
- 2010s1
- 2000s3
- 1990s3
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 21, 2003 | F1 | 19 mi | 0.3 mi | 0 / 0 |
| Mar 8, 1960 | F1 | 24 mi | 1 mi | 0 / 0 |
| Jun 18, 2023 | EF0 | 22 mi | 0.3 mi | 0 / 0 |
| Oct 29, 2018 | EF0 | 19 mi | 0.1 mi | 0 / 0 |
| Jun 4, 2009 | EF0 | 7 mi | 1.5 mi | 0 / 0 |
| Sep 28, 2007 | EF0 | 19 mi | 1 mi | 0 / 0 |
| Sep 17, 1997 | F0 | 22 mi | 1 mi | 0 / 0 |
| Jun 1, 1997 | F0 | 6 mi | 1.5 mi | 0 / 0 |
| Mar 22, 1994 | F0 | 10 mi | 0.1 mi | 0 / 0 |
| Aug 6, 2025 | Unrated | 15 mi | 0.09 mi | 0 / 0 |
The strongest 10 of 10, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Corvallis
The Storm Prediction Center has no hail reports within 10 miles of Corvallis since 1955.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Corvallis
The nearest NOAA station with 1991–2020 climate normals is Corvallis State Univ, OR, 6 miles northeast of Corvallis at 225 feet. August is the warmest, with an average high of 84°F and low of 51°F; December is the coolest, at 47°F and 34°F. December is the wettest at 7.7 inches of precipitation on average and July the driest at 0.3 inches; the year adds up to 43.1 inches over 95 days with at least a tenth of an inch. Highs reach 90°F on about 18 days a year, almost all from June to September. Lows fall below freezing on about 54 nights a year. Snowfall averages 2.9 inches a year, most of it in February. That 43.1 inches is more than at 40 of the 77 Oregon stations used on this site (52%). Philomath, 8 miles west, has its own station (Corvallis Water Bureau, OR): 68.8 inches a year, 25.7 more than here, and an August average high of 83°F against 84°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 47 | 34 | 6.5 | 13 | 0.5 |
| Feb | 51 | 35 | 4.8 | 10 | 1.6 |
| Mar | 56 | 37 | 5.0 | 12 | 0.1 |
| Apr | 61 | 40 | 3.3 | 10 | 0.0 |
| May | 68 | 45 | 2.3 | 6 | 0.0 |
| Jun | 74 | 49 | 1.3 | 4 | 0.0 |
| Jul | 83 | 52 | 0.3 | 1 | 0.0 |
| Aug | 84 | 51 | 0.4 | 1 | 0.0 |
| Sep | 78 | 48 | 1.5 | 4 | 0.0 |
| Oct | 65 | 42 | 3.5 | 8 | 0.0 |
| Nov | 53 | 38 | 6.5 | 13 | 0.0 |
| Dec | 47 | 34 | 7.7 | 14 | 0.7 |
| Year | 64 | 42 | 43.1 | 95 | 2.9 |
Averages for 1991–2020 at Corvallis State Univ, OR (225 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 Corvallis
Since 1996, the National Weather Service has logged 23 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Corvallis: 20 floods, 2 thunderstorm wind reports and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $3.0 million in property and crop damage. The strongest thunderstorm gust on record here was 82 mph, on June 4, 2009.
January 18, 2012: flood 5 miles from the centre of Corvallis — $3.0 million damage.
NWS: “Heavy rain caused the Marys River near Philomath to overflow its banks and cause record flooding to surrounding areas. 5 feet above flood stage.”
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
Flood insurance policyholders in Corvallis's 2 ZIP codes have filed 59 claims with the National Flood Insurance Program since 1980, and were paid $666,000 for buildings and contents, in the dollars of each year. The most came from Flooding in 1996: 31 claims (53% of all) and $311,000. 53% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 77 Oregon cities on this site with 10 or more claims, 55 have fewer than Corvallis.
| Event | Claims | Paid |
|---|---|---|
| Flooding1996 | 31 | $311,000 |
Benton County, which includes Corvallis, has been named in 15 federal disaster or emergency declarations since 1964, 13 of them major disasters (by incident: 7 severe storms, 4 floods, 2 biological emergencies, 1 coastal storm). The latest major disaster declaration was Severe Winter Storms, Straight-Line Winds, Landslides, and Mudslides, on April 13, 2024. FEMA's National Risk Index gives Benton County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively Moderate for inland flooding and heat waves; Relatively Low for lightning; Very Low for tornadoes, hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $63.8 million a year, the 13th highest of 36 Oregon counties; of the hazards above, the largest share, $19.4 million (30%), 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 Corvallis
- Philomath, OR8 mi
- Albany, OR10 mi
- Monmouth, OR15 mi
- Halsey, OR16 mi
- Jefferson, OR16 mi
- Monroe, OR18 mi
- Independence, OR19 mi
- Brownsville, OR20 mi
- Lebanon, OR21 mi
- Harrisburg, OR22 mi
- Turner, OR23 mi
- Dallas, OR24 mi
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