NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Rocklin, CA
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 Rocklin, California since records began in 1851. Since 1950, 23 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 23
- 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 Rocklin
The strongest of the 23 tornadoes within 25 miles was an F2 on February 7, 1978; its path came within 10 miles. Of the 23, 3 had paths within 5 miles of the city centre, and 16 have come since 2000. The most recent tornado was on November 18, 2020. Rocklin has more tornadoes within 25 miles than 71% of the 705 California cities on this site. Hail has been reported within 10 miles 6 times since 2005, with stones up to 1.25 inches (half dollar size). Rocklin has more hail reports within 10 miles than 69% of the 705 California cities.
Compare Rocklin's storm record with another city →
Tornadoes within 25 miles of Rocklin
By decade
- 2020s1
- 2010s10
- 2000s5
- 1990s2
- 1980s3
- 1970s2
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Feb 7, 1978 | F2 | 10 mi | 1.9 mi | 0 / 0 |
| Dec 24, 2015 | EF1 | 10 mi | 6.21 mi | 0 / 0 |
| Oct 22, 2012 | EF1 | 19 mi | 4.02 mi | 0 / 0 |
| Oct 22, 2012 | EF1 | 24 mi | 0.29 mi | 0 / 0 |
| Nov 23, 2010 | EF1 | 21 mi | 1.99 mi | 0 / 0 |
| Apr 19, 1988 | F1 | 10 mi | 1 mi | 0 / 0 |
| Mar 22, 1983 | F1 | 3 mi | 2 mi | 0 / 0 |
| Nov 18, 2020 | EF0 | 18 mi | 4.39 mi | 0 / 0 |
| Mar 21, 2018 | EF0 | 21 mi | 1 mi | 0 / 0 |
| Jan 11, 2017 | EF0 | 17 mi | 0.42 mi | 0 / 0 |
| Jan 9, 2017 | EF0 | 5 mi | 0.18 mi | 0 / 0 |
| Mar 26, 2014 | EF0 | 5 mi | 4.02 mi | 0 / 0 |
The strongest 12 of 23, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Rocklin
The Storm Prediction Center has 6 hail reports within 10 miles of Rocklin since 2005. Of these, one was 1 inch across or larger, and none reached 2 inches. The largest, 1.25 inches (half dollar size), fell on October 2, 2016. The most recent report is from March 20, 2019.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Rocklin
The nearest NOAA station with 1991–2020 climate normals is Auburn, CA, 12 miles northeast of Rocklin at 1,292 feet. July is the warmest, with an average high of 93°F and low of 63°F; December is the coolest, at 56°F and 37°F. January is the wettest at 7.0 inches of precipitation on average and July the driest at 0.0 inches; the year adds up to 36.1 inches over 48 days with at least a tenth of an inch. Highs reach 90°F on about 63 days a year, almost all from May to October. Lows fall below freezing on about 20 nights a year. That 36.1 inches is more than at 193 of the 226 California stations used on this site (85%). Roseville, 4 miles southwest, has its own station (Sacramento 5 ESE, CA): 19.2 inches a year, 16.9 less than here, and a July average high of 94°F against 93°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 56 | 38 | 7.0 | 8 |
| Feb | 59 | 40 | 6.5 | 8 |
| Mar | 63 | 42 | 6.1 | 7 |
| Apr | 68 | 45 | 2.8 | 5 |
| May | 77 | 52 | 1.7 | 3 |
| Jun | 86 | 58 | 0.4 | 1 |
| Jul | 93 | 63 | 0.0 | 0 |
| Aug | 92 | 63 | 0.1 | 0 |
| Sep | 87 | 60 | 0.2 | 1 |
| Oct | 77 | 52 | 1.4 | 2 |
| Nov | 64 | 43 | 3.1 | 5 |
| Dec | 56 | 37 | 6.8 | 8 |
| Year | 73 | 49 | 36.1 | 48 |
Averages for 1991–2020 at Auburn, CA (1,292 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 Rocklin
Since 1996, the National Weather Service has logged 55 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Rocklin: 36 floods, 13 heavy rain events, 3 flash floods, 2 thunderstorm wind reports and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $164,000 in property and crop damage. The strongest thunderstorm gust on record here was 60 mph, on November 15, 2015.
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 Rocklin's ZIP code 95677 have filed 25 claims with the National Flood Insurance Program since 1980, and were paid $210,000 for buildings and contents, in the dollars of each year. The most came from Flooding in 1995: 15 claims (60% of all) and $171,000. 60% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 415 California cities on this site with 10 or more claims, 125 have fewer than Rocklin.
| Event | Claims | Paid |
|---|---|---|
| Flooding1995 | 15 | $171,000 |
Placer County, which includes Rocklin, has been named in 26 federal disaster or emergency declarations since 1964, 13 of them major disasters (by incident: 9 fires, 6 floods, 6 severe storms, 2 biological emergencies). The latest major disaster declaration was Severe Winter Storms, Flooding, Landslides, and Mudslides, on January 14, 2023. FEMA's National Risk Index gives Placer County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for inland flooding and lightning; Relatively Low for strong wind and heat waves; Very Low for tornadoes and hail. It models the county's expected loss from all 18 hazards it covers at $162.6 million a year, the 28th highest of 58 California counties; of the hazards above, the largest share, $107.3 million (66%), 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.