NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Irrigon, 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 Irrigon, Oregon since records began in 1851. Since 1950, 5 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 5
- 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 Irrigon
The strongest of the 5 tornadoes within 25 miles was an F1 on May 19, 2006; its path came within 8 miles. Of the 5, none had a path within 5 miles of the city centre, and 3 have come since 2000. Of the 149 Oregon cities on this site, 68% have more tornadoes within 25 miles than Irrigon. Hail has been reported within 10 miles 2 times since 2003, with stones up to 0.88 inches (nickel size). Of the 149 Oregon cities, 45% have more hail reports within 10 miles than Irrigon.
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Tornadoes within 25 miles of Irrigon
By decade
- 2000s3
- 1990s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 19, 2006 | F1 | 8 mi | 0.1 mi | 0 / 0 |
| Jun 7, 2004 | F0 | 15 mi | 0.5 mi | 0 / 0 |
| May 23, 2004 | F0 | 15 mi | 0.1 mi | 0 / 0 |
| Jul 9, 1995 | F0 | 14 mi | 0.1 mi | 0 / 0 |
| May 9, 1956 | F0 | 21 mi | 10.2 mi | 0 / 0 |
The strongest 5 of 5, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Irrigon
The Storm Prediction Center has 2 hail reports within 10 miles of Irrigon since 2003. None of them reached 1 inch. The largest, 0.88 inches (nickel size), fell on August 7, 2003, the most recent report.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Irrigon
The nearest NOAA station with 1991–2020 climate normals is Boardman, OR, 9 miles west of Irrigon at 280 feet. July is the warmest, with an average high of 91°F and low of 60°F; January and December are the coolest, at 42°F and 29°F. December is the wettest at 1.4 inches of precipitation on average and July the driest at 0.1 inches; the year adds up to 8.6 inches over 31 days with at least a tenth of an inch. Highs reach 90°F on about 46 days a year, almost all from May to September. Lows fall below freezing on about 104 nights a year. Snowfall averages 3.7 inches a year, most of it in February. That 8.6 inches is more than at 2 of the 77 Oregon stations used on this site (3%). Umatilla, 9 miles east, has its own station (Mcnary Dam #2, OR): 8.1 inches a year, 0.5 less than here, and a July average high of 89°F against 91°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 42 | 29 | 1.3 | 5 | 1.2 |
| Feb | 48 | 30 | 0.9 | 3 | 1.4 |
| Mar | 58 | 34 | 0.7 | 3 | 0.2 |
| Apr | 66 | 40 | 0.6 | 2 | 0.0 |
| May | 75 | 48 | 0.8 | 3 | 0.0 |
| Jun | 82 | 55 | 0.6 | 2 | 0.0 |
| Jul | 91 | 60 | 0.1 | 0 | 0.0 |
| Aug | 90 | 59 | 0.2 | 1 | 0.0 |
| Sep | 81 | 50 | 0.3 | 1 | 0.0 |
| Oct | 66 | 40 | 0.7 | 3 | 0.1 |
| Nov | 51 | 33 | 1.0 | 4 | 0.0 |
| Dec | 42 | 29 | 1.4 | 5 | 0.8 |
| Year | 66 | 42 | 8.6 | 31 | 3.7 |
Averages for 1991–2020 at Boardman, OR (280 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 Irrigon
Since 1996, the National Weather Service has logged 20 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Irrigon: 18 thunderstorm wind reports, 1 flash flood and 1 flood. None is recorded as killing or injuring anyone; the NWS estimated $390,000 in property and crop damage. The strongest thunderstorm gust on record here was 86 mph, on May 19, 2006.
June 29, 2008: thunderstorm wind 1 mile from the centre of Irrigon — $350,000 damage.
NWS: “Morrow County Emergency Management reports trees down on houses with power poles and lines down in the south side of Irrigon. Wind damage to numerous houses and buildings in the Irrigon area.”
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
Morrow County, which includes Irrigon, has been named in 10 federal disaster or emergency declarations since 1964, 5 of them major disasters (by incident: 2 biological emergencies, 2 fires, 2 floods, 2 severe storms). The latest major disaster declaration was Covid-19 Pandemic, on March 28, 2020. FEMA's National Risk Index gives Morrow County a Very Low rating for natural hazard risk overall; by hazard: Relatively Low for hail, inland flooding and heat waves; Very Low for tornadoes, strong wind and lightning. It models the county's expected loss from all 18 hazards it covers at $9.4 million a year, the 29th highest of 36 Oregon counties; of the hazards above, the largest share, $5.2 million (56%), 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 Irrigon
- Umatilla, OR9 mi
- Hermiston, OR12 mi
- Boardman, OR13 mi
- Stanfield, OR16 mi
- Prosser, WA25 mi
- Benton City, WA26 mi
- Kennewick, WA27 mi
- West Richland, WA29 mi
- Richland, WA31 mi
- Mabton, WA32 mi
- Grandview, WA32 mi
- Pasco, WA33 mi
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