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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


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
Issuance Time: Jun 16, 2025 at 6:21 AM PDT
Action/Monitor: 7.0 FeetMinor Flood: 12.0 FeetModerate Flood: 16.0 FeetMajor Flood: 18.0 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  MHBC1

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What information is considered in this forecast?
Verification / Historical Plots
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Location Photographs

ESRI™ Locator Map
Flood Impacts
13.2 FeetWater floods houses in Wilton. The south bank levee near Wilton is overtopped.
12.0 FeetWater flows on to the road near Wilton.
8.0 FeetLow lying lands along the river begin to flood.
Official 7 Day National Weather Service Forecast   (CAZ017)
Today: Sunny. Highs 83 to 93. South winds up to 10 mph with gusts to around 20 mph.

Tonight: Clear. Lows 50 to 59. South winds up to 10 mph with gusts to around 20 mph.

Tuesday: Sunny. Highs 88 to 96. Light winds becoming west up to 10 mph in the afternoon.

Tuesday Night: Clear. Lows 55 to 65. Southwest winds up to 10 mph with gusts to around 20 mph.

Wednesday: Sunny. Highs 93 to 101. Southwest winds up to 10 mph.

Wednesday Night: Clear. Lows 53 to 63.

juneteenth: Sunny. Highs 85 to 95.

Thursday Night through Friday Night: Clear. Lows 50 to 58. Highs 84 to 94.

Saturday and Saturday Night: Clear. Highs 78 to 84. Lows 51 to 61.

Sunday: Sunny. Highs 84 to 90.