NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Sumas, 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 Sumas, 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 Sumas
The only tornado within 25 miles was an F0 on April 27, 2004; its path came within 2 miles. Of the 226 Washington cities on this site, 90% have more tornadoes within 25 miles than Sumas.
Compare Sumas's storm record with another city →
Tornadoes within 25 miles of Sumas
By decade
- 2000s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 27, 2004 | F0 | 2 mi | 2.7 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 Sumas
The Storm Prediction Center has no hail reports within 10 miles of Sumas since 1955.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Sumas
The nearest NOAA station with 1991–2020 climate normals is Clearbrook, WA, 6 miles west of Sumas at 64 feet. July is the warmest, with an average high of 76°F and low of 51°F; December is the coolest, at 43°F and 32°F. November is the wettest at 7.1 inches of precipitation on average and July and August the driest at 1.5 inches; the year adds up to 50.0 inches over 110 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 58 nights a year. Snowfall averages 10.8 inches a year, most of it in January. That 50.0 inches is more than at 61 of the 86 Washington stations used on this site (71%). Bellingham, 19 miles southwest, has its own station (Bellingham 3 SSW, WA): 36.1 inches a year, 13.9 less than here, and a July average high of 75°F against 76°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 44 | 32 | 7.0 | 13 | 3.1 |
| Feb | 48 | 33 | 3.9 | 10 | 2.7 |
| Mar | 53 | 36 | 5.0 | 12 | 1.0 |
| Apr | 59 | 39 | 4.0 | 10 | 0.1 |
| May | 66 | 45 | 3.2 | 8 | 0.0 |
| Jun | 70 | 49 | 2.4 | 6 | 0.0 |
| Jul | 76 | 51 | 1.5 | 3 | 0.0 |
| Aug | 77 | 50 | 1.5 | 4 | 0.0 |
| Sep | 71 | 47 | 2.9 | 6 | 0.0 |
| Oct | 59 | 42 | 5.3 | 11 | 0.0 |
| Nov | 49 | 36 | 7.1 | 14 | 1.3 |
| Dec | 43 | 32 | 6.2 | 13 | 2.6 |
| Year | 60 | 41 | 50.0 | 110 | 10.8 |
Averages for 1991–2020 at Clearbrook, WA (64 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 Sumas's ZIP code 98295 have filed 348 claims with the National Flood Insurance Program since 1982, and were paid $23.2 million for buildings and contents, in the dollars of each year. The most came from 2025-12-AtmosphericRiver in 2025: 136 claims (39% of all) and $11.4 million, then Flooding in 1990 with 44. 52% 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, 121 have fewer than Sumas.
| Event | Claims | Paid |
|---|---|---|
| 2025-12-AtmosphericRiver2025 | 136 | $11.4 million |
| Flooding1990 | 44 | $512,000 |
Whatcom County, which includes Sumas, has been named in 27 federal disaster or emergency declarations since 1971, 23 of them major disasters (by incident: 13 floods, 6 severe storms, 2 biological emergencies, 2 fires). 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 Whatcom County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively Moderate for inland flooding, coastal flooding, lightning and heat waves; Very Low for tornadoes, hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $111.5 million a year, the 9th highest of 39 Washington counties; of the hazards above, the largest share, $40.4 million (36%), 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 Sumas
- Everson, WA7 mi
- Maple Falls, WA8 mi
- Deming, WA10 mi
- Lynden, WA12 mi
- Bellingham, WA19 mi
- Custer, WA20 mi
- Ferndale, WA21 mi
- Blaine, WA24 mi
- Bow, WA30 mi
- Sedro Woolley, WA31 mi
- Burlington, WA34 mi
- Anacortes, WA38 mi
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