National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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AMERICAN RIVER - SACRAMENTO AT H STREET (SAMC1)
Latitude: 38.57º NLongitude: 121.42º WElevation: 45 Feet
Location: Sacramento County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Action/Monitor: 39.0 FeetMinor Flood: 42.0 FeetModerate Flood: 45.7 FeetMajor Flood: 46.7 Feet

Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2024*
--
24.20
Feb 23, 2024
2023*
--
31.13
Mar 15, 2023
2022*
--
17.92
Jan 8, 2022
2021*
--
17.08
Mar 13, 2021
2020*
--
17.36
Jul 20, 2020
 Historical High Stage/Flow Events (Period of Record - Jul 1921 to Present) - Ranked by Stage
1951
--
45.70**
Nov 21, 1950
1986*
--
43.40***
Feb 19, 1986****
1928
--
43.40
Mar 26, 1928
1997*
--
42.70
Jan 03, 1997*****
1963*
--
41.30
Feb 02, 1963
 * Discharge affected by regulation or diversion
 ** Flood of record prior to Folsom Dam construction
 *** Flood of record after Folsom Dam construction
 **** Maximum Folsom Dam release of 130,000 cfs
 ***** Maximum Folsom Dam release of 115,000 cfs
 ****** Datum changed from NGVD29 to NAVD88 on 10/01/2016. The difference is -0.84 ft and must be applied to all data before date to convert to NAVD88
Location Photographs
ESRI™ Locator Map
Flood Impacts
46.7 FeetStages above 46.7 feet result in flooding outside the levees. Top of levee.
Official 7 Day National Weather Service Forecast   (CAZ017)
Today: Partly cloudy in the morning then clearing. Highs 68 to 75. North winds up to 10 mph.

Tonight: Clear. Lows 46 to 52. Northwest winds up to 10 mph.

Wednesday: Sunny, warmer. Highs 75 to 82. Northwest winds up to 10 mph.

Wednesday Night: Mostly clear. Lows 49 to 55. West winds up to 10 mph.

Thursday: Mostly sunny. Highs 80 to 87. Northwest winds up to 10 mph.

Thursday Night: Partly cloudy. Lows 53 to 59.

Friday: Partly cloudy. Highs 80 to 87.

Friday Night and Saturday: Partly cloudy. Lows around 54. Highs 74 to 84.

Saturday Night and Sunday: Mostly clear. Lows around 53. Highs 72 to 82.

Sunday Night and Monday: Clear. Lows 53 to 61. Highs 78 to 88.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.