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

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COSUMNES RIVER - MICHIGAN BAR (MHBC1)
Latitude: 38.50º NLongitude: 121.04º WElevation: 168 Feet
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Monitor Stage: 7.0 FeetFlood Stage: 12.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2023
67,900
16.83
Dec 31, 2022
2022
14,000
10.11
Oct 25, 2021
2021
3,140
6.56
Jan 28, 2021
2020
7,180
8.26
Apr 6, 2020
2019
13,500
10.01
Feb 14, 2019
 Historical High Stage/Flow Events (Period of Record - Oct 1907 to Present) - Ranked by Flow
1997
93,000
18.54
Jan 02, 1997
2023
67,900
16.83
Dec 31, 2022
2017
49,700
15.19
Feb 10, 2017
1986
45,100
14.76
Feb 17, 1986
1956
42,000
14.59
Dec 23, 1955
1963
39,400
14.11
Feb 01, 1963
1965
37,500
13.80
Dec 23, 1964
1982
37,000
13.70
Feb 16, 1982
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
8.0 FeetLow-lying lands along the river begin to flood.
12.0 FeetWater flows onto the road near Wilton.
13.2 FeetWater floods houses in Wilton. The south bank levee near Wilton is overtopped.
Official 7 Day National Weather Service Forecast   (CAZ017)
Today: Sunny, breezy. Highs 81 to 87. Northwest winds 10 to 15 mph increasing to 10 to 25 mph in the afternoon. Gusts up to 35 mph.

Tonight: Clear. Lows 54 to 64. Northwest winds 10 to 15 mph with gusts to around 30 mph.

Tuesday: Mostly sunny. Highs 87 to 92. Northwest winds 10 to 15 mph. Gusts up to 30 mph decreasing to 20 mph in the afternoon.

Tuesday Night: Clear. Lows 51 to 59. Southwest winds up to 10 mph with gusts to around 20 mph.

Juneteenth: Mostly sunny. Highs 86 to 93. Southwest winds up to 10 mph.

Wednesday Night: Mostly clear. Lows 53 to 59.

Thursday: Sunny. Highs 87 to 95.

Thursday Night and Friday: Clear. Lows 53 to 61. Highs 89 to 99.

Friday Night through Sunday: Clear. Lows 58 to 68. Highs 95 to 105.
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.