NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Tumwater, 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 Tumwater, Washington since records began in 1851. Since 1950, 9 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 9
- 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 Tumwater
The strongest of the 9 tornadoes within 25 miles was an F2 on November 10, 1965; its path came within 19 miles. Of the 9, none had a path within 5 miles of the city centre, and 5 have come since 2000. The most recent tornado was on October 18, 2019. Tumwater 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 1983, with stones up to 0.75 inches (penny size). Tumwater has more hail reports within 10 miles than 60% of the 226 Washington cities.
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Tornadoes within 25 miles of Tumwater
By decade
- 2010s2
- 2000s3
- 1990s2
- 1980s1
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Nov 10, 1965 | F2 | 19 mi | 1.5 mi | 0 / 0 |
| Oct 18, 2019 | EF1 | 21 mi | 0.68 mi | 0 / 0 |
| May 27, 2004 | F1 | 10 mi | 0.2 mi | 0 / 0 |
| Jan 28, 2006 | F0 | 13 mi | 0.5 mi | 0 / 0 |
| Oct 15, 2003 | F0 | 19 mi | 0.1 mi | 0 / 0 |
| Aug 26, 1997 | F0 | 23 mi | 0.5 mi | 0 / 0 |
| Apr 6, 1994 | F0 | 12 mi | 0.5 mi | 0 / 0 |
| Sep 24, 1981 | F0 | 21 mi | 0.1 mi | 0 / 0 |
| Oct 4, 2019 | Unrated | 10 mi | 0.05 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 Tumwater
The Storm Prediction Center has 2 hail reports within 10 miles of Tumwater, all from August 27, 1983. None of them reached 1 inch. The largest was 0.75 inches (penny size).
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Tumwater
The nearest NOAA station with 1991–2020 climate normals is Olympia Airport, WA, 5 miles east of Tumwater at 188 feet. August is the warmest, with an average high of 78°F and low of 51°F; December is the coolest, at 45°F and 33°F. November is the wettest at 8.2 inches of precipitation on average and July the driest at 0.5 inches; the year adds up to 50.8 inches over 105 days with at least a tenth of an inch. Highs reach 90°F on about 7 days a year, almost all from June to August. Lows fall below freezing on about 77 nights a year. Snowfall averages 3.9 inches a year, most of it in January. That 50.8 inches is more than at 62 of the 86 Washington stations used on this site (72%). Rochester, 12 miles south, has its own station (Centralia, WA): 41.4 inches a year, 9.4 less than here, and the same August average high, 78°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 46 | 33 | 7.8 | 14 | 2.0 |
| Feb | 49 | 32 | 5.1 | 11 | 0.6 |
| Mar | 54 | 35 | 5.7 | 13 | 0.1 |
| Apr | 59 | 38 | 3.7 | 10 | 0.0 |
| May | 66 | 43 | 2.3 | 7 | 0.0 |
| Jun | 71 | 47 | 1.5 | 4 | 0.0 |
| Jul | 78 | 51 | 0.5 | 2 | 0.0 |
| Aug | 78 | 51 | 1.0 | 2 | 0.0 |
| Sep | 72 | 46 | 2.0 | 5 | 0.0 |
| Oct | 60 | 41 | 5.1 | 10 | 0.0 |
| Nov | 51 | 36 | 8.2 | 14 | 0.0 |
| Dec | 45 | 33 | 7.9 | 14 | 1.2 |
| Year | 61 | 40 | 50.8 | 105 | 3.9 |
Averages for 1991–2020 at Olympia Airport, WA (188 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.
Flood insurance claims, disaster declarations and FEMA risk ratings
Flood insurance policyholders in Tumwater's ZIP code 98512 have filed 44 claims with the National Flood Insurance Program since 1979, and were paid $529,000 for buildings and contents, in the dollars of each year. 23% 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, 55 have fewer than Tumwater.
Thurston County, which includes Tumwater, has been named in 30 federal disaster or emergency declarations since 1965, 26 of them major disasters (by incident: 14 floods, 9 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 Thurston County a Relatively High rating for natural hazard risk overall; by hazard: Relatively Moderate for inland flooding and heat waves; Relatively Low for coastal flooding, strong wind and lightning; Very Low for tornadoes and hail. It models the county's expected loss from all 18 hazards it covers at $190.6 million a year, the 5th highest of 39 Washington counties; of the hazards above, the largest share, $49.7 million (26%), 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 Tumwater
- Olympia, WA8 mi
- Tenino, WA11 mi
- Lacey, WA11 mi
- Rochester, WA12 mi
- Mccleary, WA14 mi
- Oakville, WA15 mi
- Rainier, WA17 mi
- Centralia, WA17 mi
- Shelton, WA18 mi
- Dupont, WA19 mi
- Elma, WA20 mi
- Yelm, WA21 mi
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