County Hazards

States › California › Shasta County › Flood

Flood in Shasta County, California

75 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

75 events · 4 deaths recorded · peak month December · county share of state 1.1%

2026-01-04: Flood2026-01-03: Flood2026-01-03: Flood2025-12-26: Flood2025-12-22: Flood2025-12-22: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-12-21: Flood2025-02-04: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2025-02-02: Flood2024-12-24: Flood2024-12-14: Flood2024-11-21: Flood2024-01-22: Flood2023-03-19: Flood2023-03-19: Flood2023-03-14: Flood2023-03-14: Flood2023-03-14: Flood2023-03-14: Flood2023-03-14: Flood2023-03-14: Flood2023-03-14: Flood2023-03-14: Flood2020-11-18: Flood2020-05-18: Flood2019-12-07: Flood2019-12-07: Flood2019-12-07: Flood2019-04-08: Flood2019-04-05: Flood2019-04-05: Flood2019-04-02: Flood2019-03-27: Flood2019-03-27: Flood2019-03-27: Flood2019-03-27: Flood2019-03-27: Flood2019-02-26: Flood2019-02-25: Flood2019-02-25: Flood2018-04-06: Flood2018-04-06: Flood2017-02-20: Flood2014-12-11: Flood2014-10-25: Flood2014-09-25: Flood2012-12-02: Flood2009-10-18: Flood2008-10-03: Flood
Flood event locations in and around Shasta County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Shasta County, California, has 75 flood events in the NCEI record since 1950, with at least one in 16 different years.

December is the busiest month, with 22 of the recorded events. The last 20 years account for 70 events against 5 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.1% of the 7,136 flood events recorded in California; its 2.0 per 100 square miles compares with 4.6 statewide.

NCEI attributes 4 deaths in the county to floods and flash floods.

Compared with California

MeasureShasta CountyCaliforniaUS
Flood events since 1950757,136183,559
Per 100 square miles2.04.65.2
Per 10,000 residents4.11.85.5
Deaths recorded41212,961
Busiest monthDecemberJanuaryJune

By year

195019882026
Flood events recorded in Shasta County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
5
Feb
18
Mar
15
Apr
6
May
1
Jun
0
Jul
1
Aug
0
Sep
1
Oct
3
Nov
3
Dec
22
Flood events in Shasta County by month of occurrence, all years.

Recorded events

All 75 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
4 Jan 2026Flood—————County
3 Jan 2026Flood—————County
3 Jan 2026Flood—————County
26 Dec 2025Flood—————County
22 Dec 2025Flood—————County
22 Dec 2025Flood—————County
21 Dec 2025Flash Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flood—————County
21 Dec 2025Flash Flood—$7.0M—1—County
4 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
2 Feb 2025Flood—————County
24 Dec 2024Flood—————County
14 Dec 2024Flood—————County
21 Nov 2024Flood—————County
22 Jan 2024Flood—————County
19 Mar 2023Flood—————County
19 Mar 2023Flood—————County
14 Mar 2023Flood—————County
14 Mar 2023Flood—————County
14 Mar 2023Flood—————County
14 Mar 2023Flood—$30K———County
14 Mar 2023Flood—————County
14 Mar 2023Flood—————County
14 Mar 2023Flood—————County
14 Mar 2023Flood—————County
18 Nov 2020Flood—————County
18 May 2020Flood—————County
7 Dec 2019Flood—————County
7 Dec 2019Flood—————County
7 Dec 2019Flood—————County
8 Apr 2019Flood—————County
5 Apr 2019Flash Flood—$50K———County
5 Apr 2019Flood—————County
2 Apr 2019Flood—————County
27 Mar 2019Flash Flood—————County
27 Mar 2019Flash Flood—$1K———County
27 Mar 2019Flash Flood—$1K———County
27 Mar 2019Flash Flood—————County
27 Mar 2019Flash Flood—$25K———County
26 Feb 2019Flood—$10K———County
25 Feb 2019Flood—————County
25 Feb 2019Flood—————County
6 Apr 2018Flood—————County
6 Apr 2018Flood—————County
20 Feb 2017Flood—$200K———County
11 Dec 2014Flood—$50K———County
25 Oct 2014Flash Flood———2—County
25 Sep 2014Flood—————County
2 Dec 2012Flood—————County
18 Oct 2009Flash Flood—$30K———County
3 Oct 2008Flash Flood—$10K———County
4 Jul 2000Flood—————County
9 Feb 1999Flood—————County
23 Nov 1998Flood—————County
1 Feb 1998Flood—————County
1 Jan 1997Flash Flood———1—County

Questions and answers

How many flood events has Shasta County had?

75 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Shasta County?

4 Jan 2026 (Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Shasta County?

The flash flood of 21 Dec 2025, with property damage estimated by NCEI at $7.0M; 1 death recorded.

How does Shasta County compare with California for flood?

2.0 events per 100 square miles against 4.6 statewide; the county holds 75 of the state's 7,136 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.