NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Mokelumne Hill, 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 Mokelumne Hill, California since records began in 1851. Since 1950, 3 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 3
- 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 Mokelumne Hill
The strongest of the 3 tornadoes within 25 miles was an EF1 on January 10, 2023; its path came within 16 miles. Of the 705 California cities on this site, 87% have more tornadoes within 25 miles than Mokelumne Hill. Hail has been reported within 10 miles 2 times since 2005, with stones up to 1 inch (quarter size). Of the 705 California cities, 57% have more hail reports within 10 miles than Mokelumne Hill.
Compare Mokelumne Hill's storm record with another city →
Tornadoes within 25 miles of Mokelumne Hill
By decade
- 2020s2
- 1980s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jan 10, 2023 | EF1 | 16 mi | 0.39 mi | 0 / 0 |
| May 18, 2020 | EF0 | 23 mi | 0.1 mi | 0 / 0 |
| Jul 29, 1980 | F0 | 19 mi | 0.1 mi | 0 / 0 |
The strongest 3 of 3, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Mokelumne Hill
The Storm Prediction Center has 2 hail reports within 10 miles of Mokelumne Hill since 2005. Of these, one was 1 inch across or larger, and none reached 2 inches. The largest, 1 inch (quarter size), fell on March 30, 2013, the most recent report.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Mokelumne Hill
The nearest NOAA station with 1991–2020 climate normals is Camp Pardee, CA, 12 miles west of Mokelumne Hill at 658 feet. July is the warmest, with an average high of 95°F and low of 63°F; December is the coolest, at 55°F and 40°F. December is the wettest at 4.2 inches of precipitation on average and July and August the driest at 0.0 inches; the year adds up to 22.9 inches over 43 days with at least a tenth of an inch. Highs reach 90°F on about 87 days a year, almost all from May to October. Lows fall below freezing on about 7 nights a year. That 22.9 inches is more than at 159 of the 226 California stations used on this site (70%). Murphys, 14 miles southeast, has its own station (New Melones Dam Hq, CA): 29.9 inches a year, 7.0 more than here, and a July average high of 97°F against 95°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 55 | 40 | 4.0 | 8 |
| Feb | 59 | 43 | 3.8 | 7 |
| Mar | 64 | 45 | 3.6 | 7 |
| Apr | 69 | 48 | 2.2 | 4 |
| May | 79 | 53 | 1.3 | 3 |
| Jun | 88 | 59 | 0.3 | 1 |
| Jul | 95 | 63 | 0.0 | 0 |
| Aug | 94 | 63 | 0.0 | 0 |
| Sep | 88 | 61 | 0.2 | 1 |
| Oct | 78 | 54 | 1.1 | 2 |
| Nov | 64 | 46 | 2.2 | 5 |
| Dec | 55 | 40 | 4.2 | 7 |
| Year | 74 | 51 | 22.9 | 43 |
Averages for 1991–2020 at Camp Pardee, CA (658 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 Mokelumne Hill
Since 1996, the National Weather Service has logged 24 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mokelumne Hill: 16 floods, 5 thunderstorm wind reports, 2 flash floods and 1 heavy rain event. None is recorded as killing or injuring anyone; the NWS estimated $7.6 million in property and crop damage. The strongest thunderstorm gust on record here was 64 mph, on January 10, 2023.
February 9, 2017: flood 9 miles from the centre of Mokelumne Hill — $7.0 million damage.
February 14, 2019: flood 10 miles from the centre of Mokelumne Hill — $500,000 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
Calaveras County, which includes Mokelumne Hill, has been named in 24 federal disaster or emergency declarations since 1977, 15 of them major disasters (by incident: 8 severe storms, 7 fires, 5 floods, 2 biological emergencies). The latest major disaster declaration was Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides, on April 3, 2023. FEMA's National Risk Index gives Calaveras County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively Moderate for inland flooding and heat waves; Relatively Low for lightning; Very Low for tornadoes, hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $53.4 million a year, the 43rd highest of 58 California counties; of the hazards above, the largest share, $15.2 million (28%), 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 Mokelumne Hill
- Pine Grove, CA7 mi
- San Andreas, CA8 mi
- Jackson, CA8 mi
- Sutter Creek, CA11 mi
- Murphys, CA14 mi
- Angels Camp, CA15 mi
- Valley Springs, CA16 mi
- Ione, CA18 mi
- Plymouth, CA18 mi
- Pioneer, CA20 mi
- Somerset, CA21 mi
- Copperopolis, CA25 mi
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