NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Harrisburg, 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 Harrisburg, Oregon since records began in 1851. Since 1950, 11 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 11
- 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 Harrisburg
The highest rating among the 11 tornadoes within 25 miles is F1, reached 2 times; the most recent, on November 24, 1989, came within 19 miles. Of the 11, one had a path within 5 miles of the city centre, and 5 have come since 2000. The most recent tornado was on August 6, 2025. Harrisburg has more tornadoes within 25 miles than 52% of the 149 Oregon cities on this site. Hail has been reported within 10 miles once, in 2009, with stones of 1 inch (quarter size). Of the 149 Oregon cities, 57% have more hail reports within 10 miles than Harrisburg.
Compare Harrisburg's storm record with another city →
Tornadoes within 25 miles of Harrisburg
By decade
- 2020s2
- 2010s1
- 2000s2
- 1990s2
- 1980s2
- 1970s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Nov 24, 1989 | F1 | 19 mi | 0.3 mi | 0 / 0 |
| Dec 6, 1951 | F1 | 9 mi | 0.3 mi | 0 / 0 |
| Jun 18, 2023 | EF0 | 3 mi | 0.3 mi | 0 / 0 |
| Apr 14, 2015 | EF0 | 19 mi | 0.1 mi | 0 / 0 |
| Jun 4, 2009 | EF0 | 15 mi | 1.5 mi | 0 / 0 |
| Sep 28, 2007 | EF0 | 23 mi | 1 mi | 0 / 0 |
| Dec 5, 1996 | F0 | 14 mi | 0.5 mi | 0 / 0 |
| Mar 22, 1994 | F0 | 24 mi | 0.1 mi | 0 / 0 |
| May 14, 1984 | F0 | 8 mi | 0.1 mi | 0 / 0 |
| Aug 18, 1975 | F0 | 16 mi | 0.1 mi | 0 / 0 |
| Aug 6, 2025 | Unrated | 9 mi | 0.09 mi | 0 / 0 |
The strongest 11 of 11, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Harrisburg
The Storm Prediction Center has one hail report within 10 miles of Harrisburg, from June 4, 2009: 1 inch (quarter size).
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Harrisburg
The nearest NOAA station with 1991–2020 climate normals is Eugene Mahlon Sweet Airport, OR, 12 miles southwest of Harrisburg at 353 feet. August is the warmest, with an average high of 84°F and low of 52°F; December is the coolest, at 47°F and 34°F. December is the wettest at 7.2 inches of precipitation on average and July the driest at 0.3 inches; the year adds up to 40.9 inches over 90 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 52 nights a year. That 40.9 inches is more than at 36 of the 77 Oregon stations used on this site (47%). Halsey, 7 miles north, has its own station (Corvallis 10 SSW, OR): 41.5 inches a year, 0.6 more than here, and an August average high of 82°F against 84°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 48 | 35 | 6.1 | 12 |
| Feb | 52 | 35 | 4.7 | 10 |
| Mar | 57 | 37 | 4.6 | 11 |
| Apr | 61 | 40 | 3.3 | 9 |
| May | 68 | 44 | 2.5 | 7 |
| Jun | 74 | 48 | 1.2 | 4 |
| Jul | 84 | 52 | 0.3 | 1 |
| Aug | 84 | 52 | 0.4 | 1 |
| Sep | 78 | 48 | 1.4 | 3 |
| Oct | 65 | 42 | 3.2 | 7 |
| Nov | 53 | 38 | 6.0 | 12 |
| Dec | 47 | 34 | 7.2 | 13 |
| Year | 64 | 42 | 40.9 | 90 |
Averages for 1991–2020 at Eugene Mahlon Sweet Airport, OR (353 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 Harrisburg
Since 1996, the National Weather Service has logged 7 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Harrisburg: 6 floods and 1 thunderstorm wind report. None is recorded as killing or injuring anyone; the NWS estimated $5,000 in property and crop damage. The strongest thunderstorm gust on record here was 58 mph, on April 22, 2016.
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
Linn County, which includes Harrisburg, has been named in 21 federal disaster or emergency declarations since 1964, 16 of them major disasters (by incident: 9 severe storms, 5 floods, 4 fires, 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 Linn County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for strong wind; Relatively Moderate for inland flooding, lightning and heat waves; Very Low for tornadoes and hail. It models the county's expected loss from all 18 hazards it covers at $71.1 million a year, the 10th highest of 36 Oregon counties; of the hazards above, the largest share, $27.5 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.