NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Byers, CO
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 Byers, Colorado since records began in 1851. Since 1950, 236 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 236
- 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 Byers
The strongest of the 236 tornadoes within 25 miles was an F3 on June 12, 1982; its path came within 20 miles. Of the 236, 11 had paths within 5 miles of the city centre, and 92 have come since 2000. June has had the most tornadoes, 81. The most recent tornado was on August 10, 2025. Byers has more tornadoes within 25 miles than 91% of the 157 Colorado cities on this site. Hail has been reported within 10 miles 123 times since 1962, with stones up to 3.5 inches. Byers has more hail reports within 10 miles than 52% of the 157 Colorado cities.
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Tornadoes within 25 miles of Byers
By decade
- 2020s18
- 2010s32
- 2000s42
- 1990s71
- 1980s49(1 EF3+)
- 1970s9
- 1960s10
- 1950s5
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 12, 1982 | F3 | 20 mi | 3 mi | 0 / 0 |
| May 18, 2025 | EF2 | 13 mi | 4.44 mi | 0 / 0 |
| May 18, 2025 | EF2 | 14 mi | 4.34 mi | 0 / 0 |
| Jul 13, 1996 | F2 | 6 mi | 12 mi | 0 / 0 |
| Jun 20, 1987 | F2 | 24 mi | 1 mi | 0 / 0 |
| Jun 8, 1986 | F2 | 23 mi | 2 mi | 0 / 0 |
| Jun 14, 1982 | F2 | 19 mi | 2 mi | 0 / 0 |
| May 29, 1959 | F2 | 12 mi | 2 mi | 0 / 0 |
| May 18, 2025 | EF1 | 19 mi | 2.62 mi | 0 / 0 |
| Jul 27, 2018 | EF1 | 15 mi | 1.97 mi | 0 / 0 |
| Jul 27, 2018 | EF1 | 10 mi | 1.33 mi | 0 / 1 |
| Oct 6, 2017 | EF1 | 7 mi | 0.01 mi | 0 / 0 |
The strongest 12 of 236, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Byers
The Storm Prediction Center has 123 hail reports within 10 miles of Byers since 1962, made on 76 separate days. Of these, 103 were 1 inch across or larger, and 19 reached 2 inches. The largest, 3.5 inches, fell on June 10, 2010. The most recent report is from May 10, 2023. June has the most reports, 52.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Byers
The nearest NOAA station with 1991–2020 climate normals is Byers 5 ENE, CO, 2 miles east of Byers at 5,101 feet. July is the warmest, with an average high of 90°F and low of 57°F; December is the coolest, at 43°F and 14°F. Highs reach 90°F on about 48 days a year, almost all from May to September. Lows fall below freezing on about 176 nights a year. Snowfall averages 42.7 inches a year, most of it in March. That 16.5 inches is more than at 54 of the 91 Colorado stations used on this site (59%). Bennett, 14 miles west, has its own station (Denver International Airport, CO): 14.6 inches a year, 1.9 less than here, and the same July average high, 90°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 42 | 14 | 0.5 | 2 | 6.1 |
| Feb | 45 | 16 | 0.5 | 2 | 6.3 |
| Mar | 54 | 25 | 1.2 | 3 | 7.3 |
| Apr | 61 | 32 | 1.8 | 4 | 5.5 |
| May | 71 | 42 | 2.5 | 5 | 0.7 |
| Jun | 83 | 51 | 2.0 | 4 | 0.0 |
| Jul | 90 | 57 | 2.6 | 5 | 0.0 |
| Aug | 87 | 56 | 2.0 | 5 | 0.0 |
| Sep | 79 | 47 | 1.2 | 3 | 0.9 |
| Oct | 65 | 33 | 1.0 | 3 | 3.8 |
| Nov | 53 | 22 | 0.7 | 2 | 5.9 |
| Dec | 43 | 14 | 0.5 | 2 | 6.2 |
| Year | 64 | 34 | 16.5 | 39 | 42.7 |
Averages for 1991–2020 at Byers 5 ENE, CO (5,101 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 Byers
Since 1996, the National Weather Service has logged 39 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Byers: 36 thunderstorm wind reports, 1 flash flood, 1 heavy rain event and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $31,000 in property and crop damage. The strongest thunderstorm gust on record here was 92 mph, on August 28, 1999.
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
Adams County, which includes Byers, has been named in 12 federal disaster or emergency declarations since 1965, 7 of them major disasters (by incident: 5 floods, 2 biological emergencies, 2 snowstorms, 1 coastal storm). The latest major disaster declaration was Covid-19 Pandemic, on March 28, 2020. FEMA's National Risk Index gives Adams County a Relatively Moderate rating for natural hazard risk overall; by hazard: Very High for hail and lightning; Relatively High for tornadoes and strong wind; Relatively Moderate for inland flooding; Relatively Low for heat waves. It models the county's expected loss from all 18 hazards it covers at $130.9 million a year, the 5th highest of 64 Colorado counties; of the hazards above, the largest share, $44.5 million (34%), is from hail.
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 Byers
- Strasburg, CO8 mi
- Deer Trail, CO11 mi
- Bennett, CO14 mi
- Watkins, CO23 mi
- Kiowa, CO29 mi
- Keenesburg, CO29 mi
- Wiggins, CO32 mi
- Hudson, CO33 mi
- Elizabeth, CO33 mi
- Aurora, CO33 mi
- Parker, CO35 mi
- Brighton, CO35 mi
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