NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Keenesburg, 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 Keenesburg, Colorado since records began in 1851. Since 1950, 301 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 301
- EF3 or stronger
- 4
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
1 deaths in all
What the records show for Keenesburg
The highest rating among the 301 tornadoes within 25 miles is F3 or EF3, reached 4 times; the most recent, on May 22, 2008, came within 17 miles. Of the 301, 17 had paths within 5 miles of the city centre, and 99 have come since 2000. June has had the most tornadoes, 108. The most recent tornado was on July 14, 2025. Keenesburg has more tornadoes within 25 miles than 98% of the 157 Colorado cities on this site. Hail has been reported within 10 miles 112 times since 1967, with stones up to 2.5 inches (tennis ball size). Keenesburg has more hail reports within 10 miles than 50% of the 157 Colorado cities.
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Tornadoes within 25 miles of Keenesburg
By decade
- 2020s20
- 2010s37
- 2000s42(1 EF3+)
- 1990s87
- 1980s69(1 EF3+)
- 1970s22(1 EF3+)
- 1960s13
- 1950s11(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 22, 2008 | EF3 | 17 mi | 38.69 mi | 1 / 78 |
| Jun 12, 1982 | F3 | 14 mi | 3 mi | 0 / 0 |
| May 18, 1975 | F3 | 18 mi | 4.1 mi | 0 / 0 |
| May 15, 1952 | F3 | 12 mi | 7.4 mi | 0 / 5 |
| May 18, 2025 | EF2 | 18 mi | 4.44 mi | 0 / 0 |
| May 18, 2025 | EF2 | 22 mi | 4.34 mi | 0 / 0 |
| Jun 7, 2021 | EF2 | 22 mi | 7.5 mi | 0 / 0 |
| May 7, 2016 | EF2 | 20 mi | 8.8 mi | 0 / 0 |
| Jul 31, 1996 | F2 | 20 mi | 5 mi | 0 / 0 |
| Jul 13, 1996 | F2 | 20 mi | 12 mi | 0 / 0 |
| Jul 7, 1987 | F2 | 23 mi | 5 mi | 0 / 0 |
| Jul 2, 1987 | F2 | 18 mi | 1 mi | 0 / 0 |
The strongest 12 of 301, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Keenesburg
The Storm Prediction Center has 112 hail reports within 10 miles of Keenesburg since 1967, made on 72 separate days. Of these, 71 were 1 inch across or larger, and 7 reached 2 inches. The largest, 2.5 inches (tennis ball size), fell on June 25, 2015. The most recent report is from July 24, 2025. June has the most reports, 40.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Keenesburg
The nearest NOAA station with 1991–2020 climate normals is Denver International Airport, CO, 19 miles southwest of Keenesburg at 5,414 feet. July is the warmest, with an average high of 90°F and low of 60°F; December is the coolest, at 44°F and 18°F. Highs reach 90°F on about 46 days a year, almost all from June to September. Lows fall below freezing on about 156 nights a year. That 14.6 inches is more than at 33 of the 91 Colorado stations used on this site (36%). Hudson, 7 miles west, has its own station (Brighton 3 SE, CO): 14.2 inches a year, 0.4 less than here, and the same July average high, 90°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 45 | 19 | 0.4 | 1 |
| Feb | 46 | 20 | 0.4 | 2 |
| Mar | 56 | 28 | 0.9 | 3 |
| Apr | 62 | 34 | 1.7 | 4 |
| May | 71 | 44 | 2.2 | 5 |
| Jun | 83 | 53 | 1.9 | 4 |
| Jul | 90 | 60 | 2.1 | 4 |
| Aug | 88 | 58 | 1.6 | 4 |
| Sep | 80 | 50 | 1.4 | 3 |
| Oct | 65 | 37 | 1.0 | 3 |
| Nov | 53 | 26 | 0.6 | 2 |
| Dec | 44 | 18 | 0.4 | 1 |
| Year | 65 | 37 | 14.6 | 35 |
Averages for 1991–2020 at Denver International Airport, CO (5,414 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 Keenesburg
Since 1996, the National Weather Service has logged 31 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Keenesburg: 25 thunderstorm wind reports, 3 flash floods and 3 floods. They killed 1 person and injured 5, and the NWS estimated $2.5 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on July 31, 1996.
June 30, 2023: flood 7 miles from the centre of Keenesburg — 1 killed, 5 injured.
NWS: “A person was killed after the car they were driving was swept away by floodwaters. The accident occurred near Weld County Roads 73 and 16 .”
September 12, 2013: flood 8 miles from the centre of Keenesburg — $2.1 million damage.
June 11, 2010: flash flood 7 miles from the centre of Keenesburg — $275,000 damage.
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
Weld County, which includes Keenesburg, has been named in 16 federal disaster or emergency declarations since 1965, 12 of them major disasters (by incident: 6 floods, 3 severe storms, 2 biological emergencies, 1 coastal storm). The latest major disaster declaration was Covid-19 Pandemic, on March 28, 2020. FEMA's National Risk Index gives Weld County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes, hail, strong wind and lightning; Relatively Moderate for inland flooding; Relatively Low for heat waves. It models the county's expected loss from all 18 hazards it covers at $104.7 million a year, the 9th highest of 64 Colorado counties; of the hazards above, the largest share, $44.5 million (42%), 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 Keenesburg
- Hudson, CO7 mi
- Fort Lupton, CO16 mi
- Brighton, CO16 mi
- Kersey, CO20 mi
- La Salle, CO20 mi
- Platteville, CO21 mi
- Bennett, CO22 mi
- Dacono, CO23 mi
- Strasburg, CO23 mi
- Frederick, CO23 mi
- Evans, CO23 mi
- Watkins, CO23 mi
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