NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Castle Rock, 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 Castle Rock, Colorado since records began in 1851. Since 1950, 165 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 165
- 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 Castle Rock
The strongest of the 165 tornadoes within 25 miles was an F3 on June 15, 1988; its path came within 22 miles. Of the 165, 16 had paths within 5 miles of the city centre, and 50 have come since 2000. June has had the most tornadoes, 76. The most recent tornado was on July 14, 2025. Castle Rock has more tornadoes within 25 miles than 74% of the 157 Colorado cities on this site. Hail has been reported within 10 miles 242 times since 1961, with stones up to 2.75 inches (baseball size). Castle Rock has more hail reports within 10 miles than 74% of the 157 Colorado cities.
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Tornadoes within 25 miles of Castle Rock
By decade
- 2020s6
- 2010s18
- 2000s26
- 1990s22
- 1980s47(1 EF3+)
- 1970s21
- 1960s20
- 1950s5
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jun 15, 1988 | F3 | 22 mi | 2.5 mi | 0 / 7 |
| May 18, 2025 | EF2 | 17 mi | 0.94 mi | 0 / 0 |
| Jun 15, 2009 | EF2 | 18 mi | 4 mi | 0 / 0 |
| Jun 15, 1988 | F2 | 22 mi | 0.5 mi | 0 / 0 |
| Jun 8, 1986 | F2 | 22 mi | 1.1 mi | 0 / 6 |
| Jul 19, 1985 | F2 | 8 mi | 0.5 mi | 0 / 0 |
| Jun 4, 1983 | F2 | 17 mi | 8 mi | 0 / 0 |
| Jun 3, 1981 | F2 | 23 mi | 0.1 mi | 0 / 0 |
| May 17, 1978 | F2 | 17 mi | 0.5 mi | 0 / 0 |
| Jun 13, 1977 | F2 | 23 mi | 1 mi | 0 / 0 |
| May 20, 1961 | F2 | in town | 2 mi | 0 / 2 |
| Jul 14, 2025 | EF1 | 7 mi | 0.26 mi | 0 / 0 |
The strongest 12 of 165, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Castle Rock
The Storm Prediction Center has 242 hail reports within 10 miles of Castle Rock since 1961, made on 140 separate days. Of these, 163 were 1 inch across or larger, and 8 reached 2 inches. The largest size, 2.75 inches (baseball size), was reported on 2 days, most recently August 18, 2003. The most recent report is from October 27, 2025. June has the most reports, 114.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Castle Rock
The nearest NOAA station with 1991–2020 climate normals is Castle Rock, CO, 1 mile west of Castle Rock at 6,185 feet. July is the warmest, with an average high of 86°F and low of 56°F; January is the coolest, at 46°F and 18°F. August is the wettest at 2.5 inches of precipitation on average and January the driest at 0.6 inches; the year adds up to 17.7 inches over 42 days with at least a tenth of an inch. Highs reach 90°F on about 23 days a year, almost all from June to September. Lows fall below freezing on about 167 nights a year. Snowfall averages 57.5 inches a year, most of it in February and March. That 17.7 inches is more than at 66 of the 91 Colorado stations used on this site (73%). Franktown, 9 miles southeast, has its own station (Elizabeth 2NW, CO): 19.4 inches a year, 1.7 more than here, and a July average high of 85°F against 86°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 46 | 18 | 0.6 | 2 | 8.0 |
| Feb | 47 | 20 | 0.7 | 3 | 10.7 |
| Mar | 54 | 27 | 1.5 | 4 | 10.7 |
| Apr | 59 | 33 | 2.1 | 4 | 8.3 |
| May | 68 | 42 | 2.0 | 5 | 1.1 |
| Jun | 80 | 51 | 2.2 | 5 | 0.0 |
| Jul | 86 | 56 | 2.3 | 5 | 0.0 |
| Aug | 84 | 55 | 2.5 | 5 | 0.0 |
| Sep | 77 | 47 | 1.4 | 3 | 0.4 |
| Oct | 65 | 35 | 0.9 | 3 | 2.7 |
| Nov | 54 | 26 | 0.8 | 2 | 6.7 |
| Dec | 46 | 18 | 0.7 | 2 | 8.9 |
| Year | 64 | 35 | 17.7 | 42 | 57.5 |
Averages for 1991–2020 at Castle Rock, CO (6,185 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 Castle Rock
Since 1996, the National Weather Service has logged 41 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Castle Rock: 24 thunderstorm wind reports, 8 lightning strikes, 6 flash floods, 2 heavy rain events and 1 flood. They killed 1 person and injured 1, and the NWS estimated $556,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on June 6, 2020. June has had the most flash floods, 4 of 6. Of the 144 Colorado cities on this site with a flash flood on record, 68 have had fewer than Castle Rock.
May 7, 2017: lightning strike 5 miles from the centre of Castle Rock — 1 killed, 1 injured, $5,000 damage.
NWS: “A woman and her horse were killed after they were struck by lightning. A 15-year-old girl also sustained serious injuries and was treated for electrocution.”
August 15, 2007: lightning strike 10 miles from the centre of Castle Rock — $100,000 damage.
July 11, 2011: lightning strike 9 miles from the centre of Castle Rock — $100,000 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
Flood insurance policyholders in Castle Rock's 3 ZIP codes have filed 12 claims with the National Flood Insurance Program since 2011, and were paid $21,000 for buildings and contents, in the dollars of each year. 8% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 56 Colorado cities on this site with 10 or more claims, 5 have fewer than Castle Rock.
Douglas County, which includes Castle Rock, has been named in 13 federal disaster or emergency declarations since 1965, 6 of them major disasters (by incident: 3 fires, 3 floods, 2 biological emergencies, 2 snowstorms). The latest major disaster declaration was Severe Storms, Flooding, and Tornadoes, on August 25, 2023. FEMA's National Risk Index gives Douglas County a Relatively Moderate rating for natural hazard risk overall; by hazard: Very High for lightning; Relatively High for tornadoes, hail 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 $113.5 million a year, the 8th highest of 64 Colorado counties; of the hazards above, the largest share, $43.7 million (38%), 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 Castle Rock
- Franktown, CO9 mi
- Lone Tree, CO9 mi
- Parker, CO10 mi
- Highlands Ranch, CO10 mi
- Sedalia, CO10 mi
- Centennial, CO13 mi
- Greenwood Village, CO14 mi
- Larkspur, CO14 mi
- Littleton, CO16 mi
- Elizabeth, CO16 mi
- Englewood, CO17 mi
- Aurora, CO19 mi
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