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
2023*
--
31.13
Mar 15, 2023
2022*
--
17.92
Jan 8, 2022
2021*
--
17.08
Mar 13, 2021
2020*
--
17.36
Jul 20, 2020
2019*
--
29.29
Feb 27, 2019
 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: Sunny. Highs 77 to 83. Light winds.

Tonight: Clear. Lows 52 to 58. Light winds.

Tuesday: Partly cloudy in the morning then clearing. Highs 79 to 85. Light winds.

Tuesday Night: Partly cloudy. Lows around 56. Light winds.

Wednesday: Mostly sunny. Highs 68 to 75. South winds up to 15 mph. Gusts up to 25 mph in the afternoon.

Wednesday Night: Mostly cloudy with a slight chance of rain showers. Lows around 50.

Thursday: Partly cloudy with a slight chance of rain showers. Highs 60 to 66.

Thursday Night: Partly cloudy with a slight chance of rain showers. Lows around 44.

Friday and Friday Night: Mostly clear. Highs 62 to 67. Lows around 43.

Saturday: Partly cloudy. Highs 61 to 66.

Saturday Night: Mostly cloudy with a chance of rain showers. Lows around 49.

Sunday: Rain showers likely. Highs 56 to 63.
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.