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 Stage/Flow Data
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
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)
Today: Sunny, breezy. Highs 62 to 67. North winds 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon. Gusts up to 35 mph.

Tonight: Clear, breezy. Lows 41 to 49. North winds 10 to 25 mph with gusts to around 40 mph.

Friday: Sunny, breezy. Highs 65 to 71. North winds 15 to 25 mph with gusts to around 40 mph.

Friday Night: Clear, breezy. Lows 43 to 53. North winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph.

Saturday: Sunny, warmer. Highs 73 to 79. North winds 10 to 20 mph with gusts to around 35 mph.

Saturday Night: Clear. Lows 45 to 53.

Sunday: Sunny. Highs 75 to 81.

Sunday Night and Monday: Clear. Lows around 49. Highs around 75.

Monday Night through Wednesday: Mostly clear. Lows around 49. Highs 69 to 76.
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.