NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Twisp, 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 Twisp, Washington since records began in 1851. Since 1950, 1 tornado has touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 1
- 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 Twisp
The only tornado within 25 miles was an F1 on May 30, 1987; its path came within 22 miles. Of the 226 Washington cities on this site, 90% have more tornadoes within 25 miles than Twisp. Hail has been reported within 10 miles 2 times since 2006, with stones up to 1 inch (quarter size). Twisp has more hail reports within 10 miles than 60% of the 226 Washington cities.
Compare Twisp's storm record with another city →
Tornadoes within 25 miles of Twisp
By decade
- 1980s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 30, 1987 | F1 | 22 mi | 1 mi | 0 / 0 |
The strongest 1 of 1, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Twisp
The Storm Prediction Center has 2 hail reports within 10 miles of Twisp since 2006. Of these, one was 1 inch across or larger, and none reached 2 inches. The largest, 1 inch (quarter size), fell on July 23, 2014, the most recent report.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Twisp
The nearest NOAA station with 1991–2020 climate normals is Winthrop 1 WSW, WA, 8 miles north of Twisp at 1,749 feet. July is the warmest, with an average high of 86°F and low of 51°F; December is the coolest, at 29°F and 15°F. December is the wettest at 2.6 inches of precipitation on average and August and September the driest at 0.5 inches; the year adds up to 15.3 inches over 46 days with at least a tenth of an inch. Highs reach 90°F on about 27 days a year, almost all from June to September. Lows fall below freezing on about 177 nights a year. Snowfall averages 59.4 inches a year, most of it in December. That 15.3 inches is more than at 25 of the 86 Washington stations used on this site (29%). Brewster, 24 miles southeast, has its own station (Chief Joseph Dam, WA): 10.9 inches a year, 4.4 less than here, and a July average high of 91°F against 86°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 30 | 15 | 2.1 | 7 | 16.6 |
| Feb | 38 | 18 | 1.3 | 4 | 8.8 |
| Mar | 50 | 25 | 1.2 | 4 | 3.4 |
| Apr | 61 | 32 | 0.8 | 2 | 0.1 |
| May | 71 | 40 | 1.1 | 3 | 0.0 |
| Jun | 77 | 46 | 1.1 | 3 | 0.0 |
| Jul | 86 | 51 | 0.7 | 2 | 0.0 |
| Aug | 86 | 49 | 0.5 | 1 | 0.0 |
| Sep | 77 | 41 | 0.5 | 1 | 0.0 |
| Oct | 61 | 32 | 1.4 | 4 | 1.1 |
| Nov | 41 | 25 | 2.0 | 6 | 7.6 |
| Dec | 29 | 15 | 2.6 | 7 | 21.8 |
| Year | 59 | 32 | 15.3 | 46 | 59.4 |
Averages for 1991–2020 at Winthrop 1 WSW, WA (1,749 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 Twisp
Since 1996, the National Weather Service has logged 24 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Twisp: 7 thunderstorm wind reports, 6 flash floods, 5 floods, 5 heavy rain events and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $1.2 million in property and crop damage. The strongest thunderstorm gust on record here was 87 mph, on August 10, 2013. July has had the most flash floods, 3 of 6. Of the 66 Washington cities on this site with a flash flood on record, 58 have had fewer than Twisp.
May 24, 2001: thunderstorm wind 10 miles from the centre of Twisp — $1.1 million damage.
NWS: “A mainly dry thunderstorm moved northeast through Okanogan County. As the storm reached the Omak/Okanogan area, the storm caused a 67 mph wind gust at a location 7 miles northwest of Okanogan at 740 PM PDT.”
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
Okanogan County, which includes Twisp, has been named in 42 federal disaster or emergency declarations since 1972, 14 of them major disasters (by incident: 29 fires, 6 severe storms, 3 floods, 2 biological emergencies). The latest major disaster declaration was Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides, on April 28, 2024. FEMA's National Risk Index gives Okanogan County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively Moderate for hail, inland flooding and lightning; Relatively Low for strong wind and heat waves; Very Low for tornadoes. It models the county's expected loss from all 18 hazards it covers at $50.8 million a year, the 19th highest of 39 Washington counties; of the hazards above, the largest share, $22.9 million (45%), 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 Twisp
- Brewster, WA24 mi
- Okanogan, WA25 mi
- Manson, WA31 mi
- Bridgeport, WA33 mi
- Chelan, WA33 mi
- Omak, WA34 mi
- Entiat, WA41 mi
- Orondo, WA42 mi
- Tonasket, WA43 mi
- Peshastin, WA60 mi
- Cashmere, WA60 mi
- East Wenatchee, WA64 mi
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