NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Manson, 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 Manson, Washington since records began in 1851. Since 1950, 2 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 2
- 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 Manson
The strongest of the 2 tornadoes within 25 miles was an F1 on May 30, 1987; its path came within 23 miles. The most recent tornado was on July 4, 1992. Of the 226 Washington cities on this site, 82% have more tornadoes within 25 miles than Manson. Hail has been reported within 10 miles 10 times since 1975, with stones up to 1.5 inches (ping pong ball size). Manson has more hail reports within 10 miles than 94% of the 226 Washington cities.
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Tornadoes within 25 miles of Manson
By decade
- 1990s1
- 1980s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 30, 1987 | F1 | 23 mi | 1 mi | 0 / 0 |
| Jul 4, 1992 | F0 | 20 mi | 0.1 mi | 0 / 0 |
The strongest 2 of 2, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Manson
The Storm Prediction Center has 10 hail reports within 10 miles of Manson since 1975, made on 4 separate days. Of these, 4 were 1 inch across or larger, and none reached 2 inches. The largest, 1.5 inches (ping pong ball size), fell on July 7, 1975. The most recent report is from May 29, 2015. June has the most reports, 4.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Manson
The nearest NOAA station with 1991–2020 climate normals is Chelan, WA, 8 miles southeast of Manson at 1,194 feet. July is the warmest, with an average high of 87°F and low of 59°F; January is the coolest, at 34°F and 22°F. December is the wettest at 1.8 inches of precipitation on average and August and September the driest at 0.3 inches; the year adds up to 11.9 inches over 37 days with at least a tenth of an inch. Highs reach 90°F on about 25 days a year, almost all from June to September. Lows fall below freezing on about 109 nights a year. Snowfall averages 20.5 inches a year, most of it in December. That 11.9 inches is more than at 20 of the 86 Washington stations used on this site (23%). Orondo, 12 miles south, has its own station (Waterville, WA): 11.6 inches a year, 0.3 less than here, and a July average high of 84°F against 87°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 34 | 22 | 1.5 | 5 | 7.7 |
| Feb | 42 | 24 | 1.2 | 4 | 2.0 |
| Mar | 52 | 30 | 1.1 | 4 | 0.7 |
| Apr | 62 | 38 | 0.8 | 3 | 0.0 |
| May | 72 | 46 | 1.1 | 3 | 0.0 |
| Jun | 78 | 53 | 0.9 | 2 | 0.0 |
| Jul | 87 | 59 | 0.4 | 1 | 0.0 |
| Aug | 87 | 58 | 0.3 | 1 | 0.0 |
| Sep | 77 | 49 | 0.3 | 1 | 0.0 |
| Oct | 62 | 39 | 1.0 | 3 | 0.0 |
| Nov | 46 | 30 | 1.5 | 4 | 1.4 |
| Dec | 35 | 23 | 1.8 | 7 | 8.7 |
| Year | 61 | 39 | 11.9 | 37 | 20.5 |
Averages for 1991–2020 at Chelan, WA (1,194 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 Manson
Since 1996, the National Weather Service has logged 10 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Manson: 4 flash floods, 2 floods, 2 heavy rain events and 2 thunderstorm wind reports. None is recorded as killing or injuring anyone; the NWS estimated $114,000 in property and crop damage. The strongest thunderstorm gust on record here was 90 mph, on August 26, 1997.
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
Chelan County, which includes Manson, has been named in 53 federal disaster or emergency declarations since 1972, 16 of them major disasters (by incident: 34 fires, 7 severe storms, 6 floods, 2 biological emergencies). 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 Chelan County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for inland flooding; Relatively Low for hail and heat waves; Very Low for tornadoes and strong wind. It models the county's expected loss from all 18 hazards it covers at $88.5 million a year, the 12th highest of 39 Washington counties; of the hazards above, the largest share, $41.3 million (47%), 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 Manson
- Chelan, WA3 mi
- Orondo, WA12 mi
- Entiat, WA14 mi
- Brewster, WA22 mi
- Bridgeport, WA22 mi
- Twisp, WA31 mi
- Cashmere, WA32 mi
- Peshastin, WA33 mi
- East Wenatchee, WA34 mi
- Wenatchee, WA35 mi
- Okanogan, WA39 mi
- Soap Lake, WA47 mi
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