Enter any address in Shasta County, California to see its FEMA flood zone
Shasta County experiences frequent flooding, with 75 flood events and 12 flash flood events recorded in the last 30 years. Recent events include widespread road flooding and downed trees associated with atmospheric river systems in February 2025.
National Flood Insurance Program (NFIP) claims data shows a variety of flood zones with differing claim frequencies and payouts. Zone A, typically considered high-risk, has the highest number of claims at 130, with an average payout of $14,654 and an average water depth of 1.9 feet. Notably, Zone X, which is generally considered to have moderate flood risk, has the highest average payout at $21,186 and an average water depth of 5.0 feet, indicating significant potential for damage even in areas not designated as high-risk.
Homeowners in Zone A, as well as those in Zone X and X_UNSHADED, should pay particular attention to their flood risk. Properties located near rivers or in areas prone to flash flooding should also be aware of potential hazards.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
48 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Shasta County, California has recorded 87 flood-related events since 1996 according to NOAA's Storm Events Database, including 12 flash floods and 75 river or area floods. The county has received 41 federal disaster declarations, 8 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides | Severe Storm | Feb 21, 2023 |
| Fawn Fire | Fire | Sep 23, 2021 |
| Zogg Fire | Fire | Sep 28, 2020 |
| Wildfires | Fire | Sep 4, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Severe Storm | Feb 13, 2019 |
| Carr Fire | Fire | Jul 23, 2018 |
| Wildfire | Fire | Jul 23, 2018 |
| Wildfires And High Winds | Fire | Jul 23, 2018 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Dec 26, 2025 | 0.00K |
| Flood | Dec 22, 2025 | 0.00K |
| Flood | Dec 21, 2025 | 0.00K |
| Flash Flood | Dec 21, 2025 | 0.00K |
| Flash Flood | Dec 21, 2025 | 7.00M (1 deaths) |
| Flood | Feb 4, 2025 | 0.00K |
| Flood | Feb 2, 2025 | 0.00K |
| Flood | Dec 24, 2024 | 0.00K |
| Flood | Jan 22, 2024 | 0.00K |
| Flood | Nov 21, 2024 | 0.00K |
Flood — Dec 26, 2025
A prolonged period of wet weather brought heavy snowfall and strong winds to the Sierra Nevada. Heaviest snowfall was observed from 12/24-12/26 when snow levels came down below the mountain passes. Snowfall measurements over the 12/24-12/26 timeframe were around 2-5 ft per Caltrans, Ski resorts, and UC Berkeley Central Sierra Snow Lab. Southerly wind gusts of 50-80 mph were observed as well acr...
Flood — Dec 22, 2025
A series of atmospheric rivers brought moderate to heavy precipitation to interior northern California in the third week of December through the Christmas holiday. A Convergence Zone set up over Redding/Shasta County around 1 PM on Sunday, December 21. Heavy rain fell until around 7 PM, where there was a lull before another line redeveloped and brought additional moderate to heavy rain into the...
Flood — Dec 21, 2025
A series of atmospheric rivers brought moderate to heavy precipitation to interior northern California in the third week of December through the Christmas holiday. A Convergence Zone set up over Redding/Shasta County around 1 PM on Sunday, December 21. Heavy rain fell until around 7 PM, where there was a lull before another line redeveloped and brought additional moderate to heavy rain into the...
Flash Flood — Dec 21, 2025
A series of atmospheric rivers brought moderate to heavy precipitation to interior northern California in the third week of December through the Christmas holiday. A Convergence Zone set up over Redding/Shasta County around 1 PM on Sunday, December 21. Heavy rain fell until around 7 PM, where there was a lull before another line redeveloped and brought additional moderate to heavy rain into the...
Flood — Feb 4, 2025
A strong winter storm brought heavy mountain snow, moderate to heavy rain with river and roadway flooding, and gusty southerly winds February 3rd through 5th. Multiple feet of heavy snow were observed above 5000 feet, with 2 to 5 inches of rain observed in the Valley and foothills and southerly wind gusts of up to 50 mph. There were numerous reports of flooding in the Valley that led to multipl...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Shasta County, California:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Shasta County, California that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.