NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Wilsonville, 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 Wilsonville, Oregon since records began in 1851. Since 1950, 25 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 25
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
6 deaths in all
What the records show for Wilsonville
The strongest of the 25 tornadoes within 25 miles was an F3 on April 5, 1972; its path came within 21 miles, and it killed 6 people. Of the 25, 4 had paths within 5 miles of the city centre, and 13 have come since 2000. October has had the most tornadoes, 10. The most recent tornado was on October 24, 2022. Wilsonville has more tornadoes within 25 miles than 89% of the 149 Oregon cities on this site. Hail has been reported within 10 miles 4 times since 1993, with stones up to 1.75 inches (golf ball size). Wilsonville has more hail reports within 10 miles than 63% of the 149 Oregon cities.
Compare Wilsonville's storm record with another city →
Tornadoes within 25 miles of Wilsonville
By decade
- 2020s2
- 2010s6
- 2000s5
- 1990s8
- 1980s1
- 1970s2(1 EF3+)
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 5, 1972 | F3 | 21 mi | 8.7 mi | 6 / 300 |
| Dec 8, 1993 | F2 | 8 mi | 6 mi | 0 / 0 |
| Jun 13, 2013 | EF1 | 21 mi | 0.25 mi | 0 / 0 |
| Oct 9, 2000 | F1 | 10 mi | 0.1 mi | 0 / 0 |
| Oct 9, 2000 | F1 | 13 mi | 0.1 mi | 0 / 0 |
| Nov 12, 1991 | F1 | 5 mi | 0.2 mi | 0 / 0 |
| Apr 12, 1957 | F1 | 25 mi | 2.5 mi | 0 / 0 |
| Oct 24, 2022 | EF0 | 12 mi | 0.04 mi | 0 / 0 |
| Jun 13, 2020 | EF0 | 16 mi | 2 mi | 0 / 0 |
| Sep 8, 2019 | EF0 | 21 mi | 0.11 mi | 0 / 0 |
| Jul 1, 2019 | EF0 | 18 mi | 1.6 mi | 0 / 0 |
| Oct 29, 2018 | EF0 | 25 mi | 0.07 mi | 0 / 0 |
The strongest 12 of 25, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Wilsonville
The Storm Prediction Center has 4 hail reports within 10 miles of Wilsonville since 1993. Of these, 3 were 1 inch across or larger, and none reached 2 inches. The largest, 1.75 inches (golf ball size), fell on May 12, 1993. The most recent report is from July 13, 2007.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Wilsonville
The nearest NOAA station with 1991–2020 climate normals is N Willamette Exp Stn, OR, 2 miles southeast of Wilsonville at 150 feet. August is the warmest, with an average high of 82°F and low of 55°F; December is the coolest, at 47°F and 36°F. December is the wettest at 6.6 inches of precipitation on average and July and August the driest at 0.5 inches; the year adds up to 42.4 inches over 98 days with at least a tenth of an inch. Highs reach 90°F on about 16 days a year, almost all from June to September. Lows fall below freezing on about 44 nights a year. That 42.4 inches is more than at 38 of the 77 Oregon stations used on this site (49%). Sherwood, 5 miles northwest, has its own station (Rex 1 S, OR): 44.5 inches a year, 2.1 more than here, and an August average high of 81°F against 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 47 | 36 | 6.1 | 13 |
| Feb | 52 | 37 | 4.2 | 10 |
| Mar | 56 | 39 | 4.9 | 11 |
| Apr | 60 | 42 | 3.3 | 10 |
| May | 68 | 47 | 2.4 | 8 |
| Jun | 74 | 52 | 1.6 | 4 |
| Jul | 82 | 56 | 0.5 | 1 |
| Aug | 82 | 55 | 0.5 | 2 |
| Sep | 76 | 51 | 1.7 | 3 |
| Oct | 64 | 45 | 4.3 | 8 |
| Nov | 52 | 39 | 6.3 | 13 |
| Dec | 47 | 36 | 6.6 | 13 |
| Year | 63 | 45 | 42.4 | 98 |
Averages for 1991–2020 at N Willamette Exp Stn, OR (150 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 Wilsonville
Since 1996, the National Weather Service has logged 42 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Wilsonville: 30 floods, 5 thunderstorm wind reports, 4 heavy rain events and 3 lightning strikes. They killed 0 people and injured 1, and the NWS estimated $2.2 million in property and crop damage. The strongest thunderstorm gust on record here was 69 mph, on April 22, 2005.
June 27, 2026: lightning strike 5 miles from the centre of Wilsonville — 1 injured.
January 19, 2012: flood 6 miles from the centre of Wilsonville — $1.0 million damage.
January 19, 2012: flood 2 miles from the centre of Wilsonville — $1.0 million damage.
NWS: “Heavy rain combined with snowmelt runoff caused the Pudding River at Aurora to overflow its banks and flood low lying areas. 8 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
Clackamas County, which includes Wilsonville, has been named in 23 federal disaster or emergency declarations since 1964, 15 of them major disasters (by incident: 8 severe storms, 7 fires, 4 floods, 2 biological emergencies). 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 Clackamas County a Relatively High rating for natural hazard risk overall; by hazard: Relatively High for inland flooding, strong wind and lightning; Relatively Moderate for heat waves; Relatively Low for tornadoes; Very Low for hail and coastal flooding. It models the county's expected loss from all 18 hazards it covers at $219.1 million a year, the 4th highest of 36 Oregon counties; of the hazards above, the largest share, $76.6 million (35%), 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.