NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Mill Creek, WA
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 Mill Creek, Washington since records began in 1851. Since 1950, 9 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 9
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Mill Creek
The strongest of the 9 tornadoes within 25 miles was an F3 on December 12, 1969; its path came within 22 miles. Of the 9, none had a path within 5 miles of the city centre, and 3 have come since 2000. The most recent tornado was on June 16, 2006. Mill Creek has more tornadoes within 25 miles than 64% of the 226 Washington cities on this site. Hail has been reported within 10 miles 2 times since 1999, with stones up to 0.75 inches (penny size). Mill Creek has more hail reports within 10 miles than 60% of the 226 Washington cities.
Compare Mill Creek's storm record with another city →
Tornadoes within 25 miles of Mill Creek
By decade
- 2000s3
- 1990s1
- 1970s2
- 1960s3(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Dec 12, 1969 | F3 | 22 mi | 3.8 mi | 0 / 1 |
| Nov 24, 1970 | F2 | 18 mi | 0.3 mi | 0 / 0 |
| May 18, 2005 | F1 | 25 mi | 0.2 mi | 0 / 0 |
| Oct 26, 1971 | F1 | 16 mi | 3 mi | 0 / 0 |
| Sep 28, 1962 | F1 | 22 mi | 0.1 mi | 0 / 0 |
| Jun 16, 2006 | F0 | 22 mi | 0.5 mi | 0 / 0 |
| Jun 11, 2001 | F0 | 22 mi | — | 0 / 0 |
| Aug 24, 1997 | F0 | 7 mi | 0.5 mi | 0 / 0 |
| Aug 18, 1964 | F0 | 22 mi | 5.2 mi | 0 / 0 |
The strongest 9 of 9, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Mill Creek
The Storm Prediction Center has 2 hail reports within 10 miles of Mill Creek since 1999. None of them reached 1 inch. The largest size, 0.75 inches (penny size), was reported on 2 days, most recently March 13, 2001. The most recent report is from March 13, 2001.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Mill Creek
The nearest NOAA station with 1991–2020 climate normals is Everett Snohomish Airport, WA, 6 miles northwest of Mill Creek at 606 feet. August is the warmest, with an average high of 73°F and low of 55°F; December is the coolest, at 45°F and 36°F. November is the wettest at 5.0 inches of precipitation on average and July the driest at 0.8 inches; the year adds up to 33.4 inches over 92 days with at least a tenth of an inch. Highs reach 90°F on about 1 days a year. Lows fall below freezing on about 29 nights a year. That 33.4 inches is more than at 41 of the 86 Washington stations used on this site (48%). Bothell, 5 miles south, has its own station (Seattle Sand Pt Wsfo, WA): 38.0 inches a year, 4.6 more than here, and an August average high of 77°F against 73°F.
Sea level at the Seattle tide gauge, 18 miles from Mill Creek, has risen 0.82 ± 0.03 inches per decade from 1899 to 2025, NOAA's linear trend; at that pace it is 8.2 inches in a hundred years. That is faster than at 42 of the 144 U.S. gauges with a NOAA trend.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 46 | 37 | 3.9 | 11 |
| Feb | 48 | 37 | 2.8 | 10 |
| Mar | 52 | 39 | 3.6 | 11 |
| Apr | 56 | 43 | 2.7 | 8 |
| May | 63 | 48 | 2.1 | 7 |
| Jun | 66 | 51 | 1.9 | 5 |
| Jul | 72 | 55 | 0.8 | 2 |
| Aug | 73 | 55 | 1.0 | 3 |
| Sep | 68 | 52 | 1.7 | 5 |
| Oct | 58 | 46 | 3.4 | 8 |
| Nov | 50 | 40 | 5.0 | 12 |
| Dec | 45 | 36 | 4.5 | 12 |
| Year | 58 | 45 | 33.4 | 92 |
Averages for 1991–2020 at Everett Snohomish Airport, WA (606 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 Mill Creek
Since 1996, the National Weather Service has logged 9 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mill Creek: 3 floods, 3 heavy rain events, 2 lightning strikes and 1 thunderstorm wind report. None is recorded as killing or injuring anyone; the NWS estimated $25.9 million in property and crop damage. The strongest thunderstorm gust on record here was 51 mph, on December 14, 2010.
December 3, 2007: heavy rain event 5 miles from the centre of Mill Creek — $12.0 million damage.
December 3, 2007: heavy rain event 6 miles from the centre of Mill Creek — $10.0 million damage.
November 4, 2006: flood 7 miles from the centre of Mill Creek — $3.3 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
Snohomish County, which includes Mill Creek, has been named in 37 federal disaster or emergency declarations since 1964, 32 of them major disasters (by incident: 15 severe storms, 13 floods, 2 biological emergencies, 2 earthquakes). 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 Snohomish County a Relatively High rating for natural hazard risk overall; by hazard: Relatively High for inland flooding, lightning and heat waves; Relatively Moderate for coastal flooding; Relatively Low for tornadoes; Very Low for hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $409.2 million a year, the 3rd highest of 39 Washington counties; of the hazards above, the largest share, $111.9 million (27%), 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.