NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Bothell, 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 Bothell, 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 Bothell
The strongest of the 9 tornadoes within 25 miles was an F3 on December 12, 1969; its path came within 18 miles. Of the 9, none had a path within 5 miles of the city centre, and 2 have come since 2000. The most recent tornado was on June 16, 2006. Bothell has more tornadoes within 25 miles than 64% of the 226 Washington cities on this site. Hail has been reported within 10 miles 3 times since 1999, with stones up to 1 inch (quarter size). Bothell has more hail reports within 10 miles than 73% of the 226 Washington cities.
Compare Bothell's storm record with another city →
Tornadoes within 25 miles of Bothell
By decade
- 2000s2
- 1990s2
- 1970s2
- 1960s3(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Dec 12, 1969 | F3 | 18 mi | 3.8 mi | 0 / 1 |
| Nov 24, 1970 | F2 | 23 mi | 0.3 mi | 0 / 0 |
| Oct 26, 1971 | F1 | 19 mi | 3 mi | 0 / 0 |
| Sep 28, 1962 | F1 | 18 mi | 0.1 mi | 0 / 0 |
| Jun 16, 2006 | F0 | 23 mi | 0.5 mi | 0 / 0 |
| Jun 11, 2001 | F0 | 19 mi | — | 0 / 0 |
| Aug 24, 1997 | F0 | 11 mi | 0.5 mi | 0 / 0 |
| Apr 9, 1991 | F0 | 23 mi | 0.8 mi | 0 / 0 |
| Aug 18, 1964 | F0 | 18 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 Bothell
The Storm Prediction Center has 3 hail reports within 10 miles of Bothell since 1999. Of these, one was 1 inch across or larger, and none reached 2 inches. The largest, 1 inch (quarter size), fell on March 10, 2006, the most recent report.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Bothell
The nearest NOAA station with 1991–2020 climate normals is Seattle Sand Pt Wsfo, WA, 6 miles south of Bothell at 60 feet. August is the warmest, with an average high of 77°F and low of 57°F; December is the coolest, at 47°F and 37°F. November is the wettest at 5.9 inches of precipitation on average and July the driest at 0.8 inches; the year adds up to 38.0 inches over 95 days with at least a tenth of an inch. Highs reach 90°F on about 2 days a year, almost all from July. Lows fall below freezing on about 25 nights a year. Snowfall averages 3.8 inches a year, most of it in December. That 38.0 inches is more than at 46 of the 86 Washington stations used on this site (53%). Mill Creek, 5 miles north, has its own station (Everett Snohomish Airport, WA): 33.4 inches a year, 4.6 less than here, and an August average high of 73°F against 77°F.
Sea level at the Seattle tide gauge, 13 miles from Bothell, 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" | Snow in |
|---|---|---|---|---|---|
| Jan | 47 | 37 | 5.1 | 12 | 0.9 |
| Feb | 50 | 37 | 3.5 | 9 | 1.0 |
| Mar | 54 | 39 | 3.9 | 11 | 0.0 |
| Apr | 59 | 43 | 3.0 | 9 | 0.0 |
| May | 65 | 48 | 2.2 | 6 | 0.0 |
| Jun | 70 | 53 | 1.6 | 5 | 0.0 |
| Jul | 77 | 57 | 0.8 | 2 | 0.0 |
| Aug | 77 | 57 | 1.0 | 3 | 0.0 |
| Sep | 71 | 53 | 1.7 | 5 | 0.0 |
| Oct | 61 | 47 | 3.7 | 9 | 0.0 |
| Nov | 52 | 41 | 5.9 | 12 | 0.2 |
| Dec | 47 | 37 | 5.6 | 12 | 1.7 |
| Year | 61 | 46 | 38.0 | 95 | 3.8 |
Averages for 1991–2020 at Seattle Sand Pt Wsfo, WA (60 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 Bothell
Since 1996, the National Weather Service has logged 13 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Bothell: 6 heavy rain events, 4 lightning strikes, 2 floods and 1 thunderstorm wind report. None is recorded as killing or injuring anyone; the NWS estimated $23.7 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 in Bothell — $12.0 million damage.
NWS: “Four apartment buildings were evacuated in North Seattle, where some basement apartments had 3 feet of water in them. About 30 people were evacuated from apartments in Woodinville.”
December 3, 2007: heavy rain event 6 miles from the centre of Bothell — $10.0 million damage.
December 14, 2006: heavy rain event 7 miles from the centre of Bothell — $1.0 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
Flood insurance policyholders in Bothell's 2 ZIP codes have filed 15 claims with the National Flood Insurance Program since 1978, and were paid $206,000 for buildings and contents, in the dollars of each year. 13% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 128 Washington cities on this site with 10 or more claims, 16 have fewer than Bothell.
King County, which includes Bothell, has been named in 35 federal disaster or emergency declarations since 1964, 31 of them major disasters (by incident: 17 floods, 11 severe storms, 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 King County a Very High rating for natural hazard risk overall; by hazard: Very High for inland flooding; Relatively High for heat waves; Relatively Moderate for tornadoes, coastal flooding and lightning; Very Low for hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $1.68 billion a year, the highest of 39 Washington counties; of the hazards above, the largest share, $416.9 million (25%), 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.