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
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
2018
22,500
11.87
Mar 22, 2018
 Historical High Stage/Flow Events (Period of Record - Oct 1907 to Present) - Ranked by Flow
1997
93,000
18.54
Jan 02, 1997
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 on to 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: Mostly sunny in the morning then becoming partly cloudy. Areas of frost in the morning. Highs 56 to 62. Light winds.

Tonight: Clear. Lows 33 to 43. Light winds.

Tuesday: Patchy frost in the morning. Mostly sunny. Highs 57 to 65. North winds up to 10 mph with gusts to around 25 mph.

Tuesday Night: Clear. Lows 32 to 42. North winds up to 10 mph with gusts to around 20 mph.

Wednesday: Areas of frost in the morning. Mostly sunny. Highs around 59. North winds up to 10 mph.

Wednesday Night: Partly cloudy. Lows 34 to 43.

Thursday: Mostly cloudy. Highs 57 to 63.

Thursday Night through Friday Night: Mostly cloudy. Lows 35 to 45. Highs 58 to 64.

Saturday and Saturday Night: Mostly clear. Highs 60 to 66. Lows 36 to 46.

Sunday: Mostly cloudy with a chance of rain. Highs 57 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.