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 CaliforniaRiver Group: Lower Sacramento
Monitor Stage: 39.0 FeetFlood Stage: 42.0 FeetDanger Stage: 43.0 Feet

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

Historical Mean Daily Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025* -- 25.61 Jul 20, 2020
2024* -- 24.20 Feb 23, 2024
2023* -- 31.13 Mar 15, 2023
2022* -- 17.92 Jan 8, 2022
2021* -- 17.08 Mar 13, 2021
 Historical High Stage/Flow Events (Period of Record - Jul 1921 to Present) - Ranked by Stage
1951 106,000 45.70** Nov 21, 1950
1986* 115,000 43.40*** Feb 19, 1986****
1928 -- 43.40 Mar 26, 1928
1997* 130,000 42.70 Jan 03, 1997*****
1963* -- 41.30 Feb 02, 1963
1940 -- 39.70 Mar 31, 1940
 * Discharge affected by regulation or diversion
 ** Stage of record prior to Folsom Dam construction
 *** Stage 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
Official 7 Day National Weather Service Forecast   (CAZ017)
Tonight: Mostly cloudy. A slight chance of rain showers until early morning, then a chance of rain showers late in the night. Lows around 58. South winds 10 to 20 mph. Gusts up to 25 mph increasing to 50 mph after midnight.

Thursday: Rain showers. Windy. Highs 59 to 67. Southeast winds 15 to 30 mph with gusts to around 50 mph shifting to the south 15 to 20 mph with gusts to around 35 mph in the afternoon.

Thursday Night: Rain showers. Lows around 51. South winds up to 10 mph with gusts to around 20 mph.

Friday: Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 60 to 65. East winds up to 10 mph shifting to the north in the afternoon.

Friday Night: Mostly clear. Lows 46 to 52. North winds up to 10 mph.

Saturday: Partly cloudy. Highs 60 to 66.

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

Sunday through Monday: Mostly cloudy with a chance of rain showers. Highs 55 to 61. Lows around 50.

Monday Night and Tuesday: Partly cloudy. Lows 41 to 47. Highs 55 to 61.

Tuesday Night: Mostly clear. Lows 39 to 45.

Wednesday: Mostly cloudy with a slight chance of rain showers. Highs 52 to 58.
Flood Impacts
46.7 FeetStages above 46.7 feet result in flooding outside the levees. Top of levee.
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.