Home / States / California
Nevada County, California
Tornadoes, hail, floods and severe storms recorded here between 1957 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
1
Tornado reports
18
Hail reports
29
Floods since 1996
126
All events
1
Deaths
$6.9M
Property damage
Tornado paths in Nevada County
The part of each tornado’s path NOAA recorded in this county, 1 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
A 71-yr-old man was struck and killed by lightning during an early morning thunderstorm at Donner Memorial State Park just west of Truckee, CA. He had been camping with family in the Park and was outside in an area of tall trees.
HWY 49 was closed north of Nevada City, from Newtown Rd. to Tyler Foote Rd. due to multiple slip outs.
Rocks, mud, and a tree across the roadway on Highway 49. The roadway was unpassable due to numerous slides on both sides of the South Yuba River Bridge.
Flood Flood
California Highway Patrol reported roadway flooding from heavy rain on Highway 49, with vehicles having a difficult time driving through.
Flood Flood
California Highway Patrol reported roadway flooding from heavy rain.
Flood Flood
California Highway Patrol reported a rock slide from heavy rain blocking the road in the southbound lane of Pleasant Valley Road near South Yuba River State Park.
Flood Flood
California Highway Patrol reported a mud and rock slide on N Bloomfield Road between Wet Hill and Highway 49 from heavy rain.
Flood Flood
California Highway Patrol reported a rock slide blocking the northbound lane with boulders in the road due to heavy rain.
Flash Flood Flash Flood
Flash flooding with mud and debris on westbound I-80 resulting in a lane closure. Upwards of 1.21 inches of rain was recorded during the incident.
Flash Flood Flash Flood
Water and mud along Interstate 80 near Floriston.
Heavy Rain Heavy Rain
Thunderstorm rainfall total of 0.99 inches. The Donner Lake HADS near Truckee also reported 1.12 inches of rainfall.
Flood Flood
California Highway Patrol reported 1 foot of water at Golden Center freeway southbound at SR 20 from heavy rain.
Heavy Rain Heavy Rain
A COOP observer station (BOCC1 - Boca Reservoir) located 1.0 mi SSW of Boca Reservoir, CA, a CoCORAHS station (CA-NV-51 Truckee) located 2.0 mi N of Truckee, CA, and a CO-OP Observer station (FARC1 Floriston) located 2.0 mi NNW of Floriston, CA, reported 24 hour rainfall/liquid t…
Heavy Rain Heavy Rain
A CoCORAHS station (CA-NV-51 Truckee) located 2.0 mi N of Truckee, CA, and a CO-OP Observer station (BOCC1) located 1.0 mi SSW of Boca Reservoir, CA, reported 24 hour rainfall/liquid totals of 1.0 inches and 0.68 inches respectively.
Heavy Rain Heavy Rain
A CO-OP Observer station (FARC1) located 2.0 mi NNW of Floriston, CA, reported 24 hour rainfall/liquid totals of 1.02 inches.
Flood Flood
California Highway Patrol reported roadway flooding of the westbound lane at State Route 174 and Brunswick Drive from heavy rain.
Heavy Rain Heavy Rain
A Local Official located at 6.0 mi W of Truckee, CA, a CoCORAHS station (CA-NV-51 Truckee) located 2.0 mi N of Truckee, CA, and a CO-OP Observer located 3.0 mi E of Truckee, CA, at the Truckee-Tahoe Airport (KTVL) reported 24 hour rainfall/liquid totals of 2.07 inches, 1.14 inche…
Flood Flood
California Highway Patrol reported roadway flooding on McCourtney Road and Thoroughbred Loop.
Flood Flood
California Highway Patrol reported roadway flooding at Alta Street and Alta Hill Mine Road from heavy rain.
Flood Flood
California Highway Patrol reported completely flooded roads along Highway 49 northbound at State Route 20.
Heavy Rain Heavy Rain
A CoCoRahs station (CA-NV-51) located 1.6 mi N of Truckee, CA, reported a rainfall storm total of 0.59 inches, as well as 0.5 inches of snow. A mesonet station (DNRC1) located 1.9 mi NE of Donner Peak, CA, and a local official located at the Central Sierra Snow Lab, CA, reported …
Heavy Rain Heavy Rain
A CO-OP observer (FARC1) located 2.3 mi NW of Floriston, CA, reported a total rainfall amount of 0.91 inches.
Heavy Rain Heavy Rain
A CoCoRaHS station (CA-NV-51) located 1.6 mi N of Truckee, CA, reported a total rainfall amount of 0.57 inches.
Flood Flood
The CHP Truckee reported flooding located 1.0 mi N of Boca Reservoir that included mud along with the fall of rocks/boulders up to 5 feet diameter onto Stampede Meadows Rd. near Boca Springs road.
Debris Flow Debris Flow
The California Highway Patrol-Truckee reported the closure of portions of Donner Pass Road (Old Highway 40) due to a rock slide/large boulder in the road between Sugar Bowl and Truckee after thunderstorms brought locally heavy rain the day before.
Hail Hail
Trained weather spotter reported roughly an inch of accumulating hail (0.25 inch) in the Truckee, CA, area and along I-80.
Heavy Rain Heavy Rain
A COCORAHS (NV-WH-47 Truckee) located 1.0 mi NW of Glenshire-Devonshire, CA, and a CO-OP Observer (FARC1) located 2.0 mi NNW of Floriston, CA, reported 24 hour rainfall totals of 0.43, and 0.48 inches respectively.
Heavy Rain Heavy Rain
A COCORAHS, CA-ED-51, located 2.0 mi N of Truckee, CA reported a 24-hour rainfall total of 1.05 inches and a snowfall total of 3.4 inches.
Heavy Rain Heavy Rain
A COCORAHS (CA-ED-51) located 2.0 mi N of Truckee, CA reported 24 hour rainfall totals of 1.56 inches, and snowfall total of 2.0 inch.
Thunderstorm Wind Thunderstorm Wind
A power outage in Nevada City affected 1,278 customers on the east side of Hwy 20 and another 54 on Cement Hill.
Flood Flood
California Highway Patrol reported roadway flooding 6 inches deep at Rough and Ready Highway and Hard Rock Road.
Heavy Rain Heavy Rain
COCORAHS Station (CA-NV-51) located 2.0 mi N Truckee, CA, and CO-OP observer located 1.0 mi SSW of Boca Reservoir, CA, reported 24 hour heavy rainfall totals of 5.57 and 4.62 inches respectively during the period from 12/31/22 through 1/1/23.
Heavy Rain Heavy Rain
COCORAHS Station (CA-NV-51) located 2.0 mi N Truckee, CA, and CO-OP observer located 1.0 mi SSW of Boca Reservoir, CA, reported 24 hour heavy rainfall totals of 5.57 and 4.62 inches respectively during the period from 12/31/22 07:00 LST through 1/1/23 07:00 LST.
Heavy Rain Heavy Rain
COCORAHS station CA-NV-47 (5.9 mi ENE of Truckee or 1.0 mi NW of Glenshire-Devonshire ) and mesonet station FW8247 Truckee (Glenshire-Devonshire) reported heavy rainfall amounts of 0.73 and 0.79 inches respectively.
Heavy Rain Heavy Rain
COCORAHS Station (CA-NV-51) located 1.6 mi N of Truckee, CA reported heavy rain amount of 2.45'.
Heavy Rain Heavy Rain
Two boulders blocked state route 49 near Nevada City, CA reported by CHP. Reported storm total rainfall amounts in the area were in excess of 3 inches.
Heavy Rain Heavy Rain
Heavy rain and flooding was reported in Nevada County. Reported storm totals reached 12.19 south of HWY 50 near White Cloud camp ground to 12.81 inches in Grass Valley.
Flash Flood Flash Flood
California Highway Patrol reported ton of rocks and water come off the mountain side of old 40, (Donner Pass Rd between Truckee and Donner Summit.) the road is now closed as it is not safe to pass due to erosion and falling debris.
Heavy Rain Heavy Rain
COOP and CoCoRahs observers, trained spotters, and Mesonet/ASOS sites reported rainfall amounts ranging from 1.0-3.0 in the area of Glenshire-Devonshire/Donner Peak, CA, and 4.0-6.0 in and around Truckee, CA.
Heavy Rain Heavy Rain
Mesonet reported 0.8 inches of rainfall from thunderstorms 2 SW of Glenshire.
Heavy Rain Heavy Rain
CO-OP Observer station TRK at Truckee-Tahoe Airport reported 1.71 inches of rainfall in a 24-hour period from 7 December 0749PST to 8 December 0749PST at an elevation of 5900 feet MSL. The rain was mixed with very wet snow. 3 inches of snowfall was also recorded during this time …
Heavy Rain Heavy Rain
CO-OP Observer station FARC1 2 miles north-northwest of Floriston reported 2.64 inches of rainfall in a 48-hour period from 6 December 2015PST to 8 December 2015PST.
Heavy Rain Heavy Rain
CO-OP Observer station BOCC1 1 mile south-southwest of Boca Reservoir reported 1.95 inches of rainfall in a 48-hour period from 6 December 0800PST to 8 December 0800PST at an elevation of 5575 feet MSL.
Heavy Rain Heavy Rain
SNOTEL near Independence Lake reported 4.50 inches of rainfall in a 48-hour period from 1 December 0000PST to 2 December 2359PST. Station elevation of 8337 ft MSL.
Heavy Rain Heavy Rain
The public reported mud and rocks in the roadway on highway 49 between Nevada City on the South Yuba River. Time is estimated by radar.
Flood Flood
The local news paper reported that multiple members of the public were sending in reports of localized street flooding in Nevada City. This particular point does not necessarily reflect the exact location of flooding and the time of this report is based on radar and observations.
Heavy Rain Heavy Rain
AWOS TRK, Truckee-Tahoe Airport reported 0.79 inches of rainfall in a 24 hour period from 27 March 0455PST to 28 March 0455PST. AWOS elevation 5900 feet MSL.
Heavy Rain Heavy Rain
Mesonet station DNRC1, near Donner Lake reported 0.90 inches of rainfall in a 24 hour period from 27 March 0900PST to 28 March 0900PST. Mesonet elevation 5924 feet MSL.
Heavy Rain Heavy Rain
Highway 49 closed at Newtown Rd to Tyler-Foote due to a rock slide, 1 to 2 inches of rain in the last 24 hours.
Heavy Rain Heavy Rain
AWOS TRK, Truckee Airport reported 2.00 inches of rainfall in a 24 hour period from 16 January 0535PST to 17 January 0535PST.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 1 | 0 |
| 2025 | 12 | 0 |
| 2024 | 4 | 0 |
| 2023 | 12 | 0 |
| 2022 | 2 | 0 |
| 2021 | 6 | 0 |
| 2019 | 10 | 0 |
| 2018 | 15 | 0 |
| 2017 | 10 | 0 |
| 2016 | 13 | 0 |
| 2015 | 4 | 0 |
| 2014 | 1 | 0 |
| 2013 | 3 | 0 |
| 2012 | 3 | 1 |
| 2010 | 1 | 0 |
| 2009 | 3 | 0 |
| 2006 | 2 | 0 |
| 2005 | 2 | 0 |
| 2003 | 2 | 0 |
| 2002 | 4 | 0 |
| 2001 | 2 | 0 |
| 2000 | 3 | 0 |
| 1999 | 2 | 0 |
| 1998 | 4 | 0 |
| 1986 | 3 | 0 |
| 1972 | 1 | 0 |
| 1957 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Nevada County, measured to its path.
We couldn’t get your location. Check that location access is allowed for this site, or type an address.