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
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025* -- 25.66 Feb 8, 2025
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: A slight chance of thunderstorms early in the morning. A chance of rain showers in the morning. A chance of thunderstorms in the late morning and early afternoon. Rain showers in the afternoon. Thunderstorms likely late in the afternoon. Highs 63 to 69. South winds up to 10 mph. Gusts up to 20 mph in the afternoon.

Tonight: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of rain showers and a slight chance of thunderstorms after midnight. Lows around 52. South winds around 10 mph with gusts to around 20 mph.

Saturday: Mostly cloudy. A chance of rain in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Breezy. Highs 58 to 66. South winds 10 to 15 mph increasing to 10 to 25 mph in the afternoon.

Saturday Night: Rain showers and a slight chance of thunderstorms. Lows around 47. South winds 10 to 15 mph. Gusts up to 30 mph decreasing to 20 mph after midnight.

Sunday: Rain showers and a slight chance of thunderstorms in the morning, then rain showers and a chance of thunderstorms in the afternoon. Highs 54 to 60. South winds 10 to 15 mph with gusts to around 25 mph.

Sunday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows around 45.

Monday: Partly cloudy. Highs 61 to 66.

Monday Night through Wednesday: Mostly clear. Lows around 44. Highs 62 to 72.

Wednesday Night: Partly cloudy. Lows around 47.

Thursday: Mostly sunny. Highs 69 to 75.
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.