A strong early season storm brought record setting rainfall, flooding, strong winds, and mountain snow to interior Northern California from October 23rd through 26th. Widespread impacts were reported including: downed trees and powerlines, flooding, power outages, and closed roadways. All time record high calendar day rainfall amounts were recorded at Sacramento City of 5.44 inches, 5.41 inches at Sacramento Executive Airport, 10.40 inches at Blue Canyon. Daily rainfall records were also set at Redding Airport at 2.99 inches, 4.57 inches at Oroville Airport, and 4.13 inches at Sacramento international Airport.

Winter Storm in WEST SLOPE NORTHERN SIERRA NEVADA, CALIFORNIA
From 24-OCT-21 23:00:00 to 25-OCT-21 23:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Ski resorts in the high Sierra reported between 29 and 36 inches of total new snow accumulation as of the morning of October 26th.

Heavy Rain in TUOLUMNE, CALIFORNIA
From 25-OCT-21 05:57:00 to 25-OCT-21 09:45:00 (PST-8)
Location: CEDAR RIDGE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in Tuolumne County. Reported storm totals reached 5.63 inches just south of Cherry Lake to 6.91 inches near Twain Heart.

Heavy Rain in COLUSA, CALIFORNIA
From 25-OCT-21 07:00:00 to 25-OCT-21 10:28:00 (PST-8)
Location: STONYFORD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in Colusa County. Reported storm totals reached 4.56 to 6.48 inches.

Heavy Rain in EL DORADO, CALIFORNIA
From 25-OCT-21 10:36:00 to 25-OCT-21 10:45:00 (PST-8)
Location: BALDERSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in El Dorado County. Reported storm totals reached 10.44 southeast of Quintette to 11.51 inches at Bald Mountain.

Heavy Rain in YUBA, CALIFORNIA
From 24-OCT-21 17:39:00 to 25-OCT-21 09:46:00 (PST-8)
Location: STRAWBERRY VLY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy rain and flooding was reported in Yuba County. Reported storm totals reached 4.68 in Wheatland to 13.57 inches reported by a COOP observer in Strawberry Valley.

Heavy Rain in YOLO, CALIFORNIA
From 25-OCT-21 06:00:00 to 25-OCT-21 09:48:00 (PST-8)
Location: UNIV OF CAL DAVIS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in Yolo County. Reported storm totals reached 5.08 inches in Woodland to 7.33 inches reported in Davis.

Heavy Rain in AMADOR, CALIFORNIA
From 25-OCT-21 08:00:00 to 25-OCT-21 09:00:00 (PST-8)
Location: BARTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain and flooding was reported in Amador County. A CoCoRaHS near Pioneer, CA reported 10.78 inches of storm total rain and 9.77 inches was also reported north of HWY 88.

Winter Storm in WEST SLOPE NORTHERN SIERRA NEVADA, CALIFORNIA
From 24-OCT-21 23:00:00 to 25-OCT-21 23:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Caltrans reported 16 inches of total new snow accumulation at Kingvale on October 26th.

Heavy Rain in CALAVERAS, CALIFORNIA
From 25-OCT-21 05:25:00 to 25-OCT-21 10:46:00 (PST-8)
Location: WHITE PINES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in Calaveras County. Arnold reported 11.60 inches of storm total rain and 9.74 inches south of HWY 88.

Heavy Rain in SIERRA, CALIFORNIA
From 25-OCT-21 06:18:00 to 25-OCT-21 09:30:00 (PST-8)
Location: DOWNIEVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in Sierra County. Reported storm totals reached 6.88 inches near Saddleback to 11.28 inches in Downieville.

Heavy Rain in SAN JOAQUIN, CALIFORNIA
From 25-OCT-21 05:15:00 to 25-OCT-21 10:00:00 (PST-8)
Location: BELLOTA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain was reported in San Joaquin County. Reported storm totals reached 6.06 inches to 6.17 inches reported by a CoCoRaHS station near Linden.

Flood in SACRAMENTO, CALIFORNIA
From 24-OCT-21 05:34:00 to 24-OCT-21 18:04:00 (PST-8)
Location: BOYD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Log: 10/24/2021 05:34
California highway patrol reported roadway flooding of the slow lane at the interstate 5 south and j street offramp.
Log: 10/24/2021 07:05
Roadway flooding of us 50 east and Bradshaw road onramp.
Log: 10/24/2021 12:02
California highway patrol reported roadway flooding from arcade creek at winding way  and Walnut ave with a road closure.
Log: 10/24/2021 12:17
California highway patrol reported flooding  by the interstate 5 and Cosumnes river blvd  offramp with several vehicle spinouts.
Log: 10/24/2021 15:38
California highway patrol reported roadway flooding on s watt ave and Jackson rd with  all northbound lanes flooded.
Log: 10/24/2021 18:04
California highway patrol reported a vehicle stuck in a flooded roadway at Winding Way  and College Oak dr.

Heavy Rain in NEVADA, CALIFORNIA
From 25-OCT-21 07:30:00 to 25-OCT-21 10:33:00 (PST-8)
Location: GRASS VLY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

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.

Heavy Rain in PLUMAS, CALIFORNIA
From 25-OCT-21 08:00:00 to 25-OCT-21 10:08:00 (PST-8)
Location: MEADOW VLY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain was reported in Placer County. Reported storm totals reached 10.7 just north of Little Grass Valley Reservoir to 12.34 inches reported by a CoCoRaHS station near Meadow Valley.

Heavy Rain in TEHAMA, CALIFORNIA
From 25-OCT-21 06:00:00 to 25-OCT-21 09:27:00 (PST-8)
Location: RAWSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain was reported in Tehama County. Reported storm totals reached 6.19 inches By a CoCoRaHS station near Red Bluff to 5.62 inches NE of Butte Meadows.

Heavy Rain in STANISLAUS, CALIFORNIA
From 25-OCT-21 07:00:00 to 25-OCT-21 09:07:00 (PST-8)
Location: (NRC)NAF CROWS LANDI
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain was reported in Stanislaus County. Reported storm totals reached 5.17.

Heavy Rain in SOLANO, CALIFORNIA
From 25-OCT-21 06:00:00 to 25-OCT-21 07:00:00 (PST-8)
Location: VACAVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain and flooding was reported in Solano County. A CoCoRaHS near Vacaville, CA reported 10.29 inches of storm total rain and 8.35 inches was also reported near lake Curry.

Flood in SOLANO, CALIFORNIA
From 24-OCT-21 09:16:00 to 24-OCT-21 13:47:00 (PST-8)
Location: DIXON MAINE ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Log: 10/24/2021 09:16
California highway patrol reported roadway flooding at SR 113 and Fry Rd with multiple vehicles getting stuck in the water and a road closure.
Log: 10/24/2021 10:10
California highway patrol reported roadway flooding of the westbound lane at Midway Rd and Porter Rd.
Log: 10/24/2021 13:47
California highway patrol reported roadway flooding on Lewis Rd.
Log: 10/24/2021 13:48
California highway patrol reported roadway flooding at Sievers Rd and Stevenson Bridge Rd.

Flood in YUBA, CALIFORNIA
From 24-OCT-21 17:39:00 to 24-OCT-21 18:00:00 (PST-8)
Location: LOMA RICA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

California highway patrol reported roadway flooding at Scott Grant Rd and Dusty Trail with 1.5 feet of water over the roadway and the bridge submerged.

Heavy Rain in BUTTE, CALIFORNIA
From 25-OCT-21 05:00:00 to 25-OCT-21 10:13:00 (PST-8)
Location: PARADISE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain and flooding was reported in Butte County. Paradise reported 10.09 inches of storm total rain and 9.09 inches east of Deadwood. A daily rainfall record was also set at 4.57 inches at Oroville Airport.

Heavy Rain in PLACER, CALIFORNIA
From 25-OCT-21 07:00:00 to 25-OCT-21 10:33:00 (PST-8)
Location: WEIMAR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain was reported in Placer County. Reported storm totals reached 11.15 inches By a CoCoRaHS station near Colfax to 13.35 inches off Forest Hill Rd. All time record high calendar day rainfall amount was recorded at 10.40 inches at Blue Canyon.

Heavy Rain in SACRAMENTO, CALIFORNIA
From 24-OCT-21 21:00:00 to 25-OCT-21 10:40:00 (PST-8)
Location: MILLS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The roof of a softball training facility in Rancho Cordova collapsed due to heavy rain. Heavy rain and flooding was reported across Sacramento County. Reported storm total rain accumulation reached 7.62 inches in the Citrus Heights area and 6.06 inches at Sacramento Executive Airport. All time record high calendar day rainfall amounts were recorded at Sacramento City of 5.44 inches and 5.41 inches at Sacramento Executive Airport. A daily rainfall record was also set at 4.13 inches at Sacramento international Airport.

Heavy Rain in SHASTA, CALIFORNIA
From 25-OCT-21 06:00:00 to 25-OCT-21 09:26:00 (PST-8)
Location: ENTERPRISE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy rain was reported in Shasta County. Reported storm totals reached 7.3 inches off HWY 44 NE of Shingletown to 7.6 inches near Redding. A Daily rainfall record was also set at Redding Airport at 2.99 inches on the 25th.