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 - MCCONNELL (MCNC1)
Latitude: 38.36º NLongitude: 121.34º WElevation: 5 Feet
Location: Sacramento County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Jun 02, 2025 at 8:07 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.

!!! Selected Ensemble Product NOT Available for this Location !!!


Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ017)
Today: Sunny. Highs 85 to 95. South winds up to 10 mph shifting to the west in the afternoon. Gusts up to 20 mph.

Tonight: Clear. Lows 54 to 64. South winds up to 15 mph with gusts to around 25 mph.

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

Wednesday Night: Clear. Lows 54 to 61. Southwest winds 10 to 15 mph with gusts to around 25 mph.

Thursday: Sunny. Highs 84 to 94. Southwest winds up to 10 mph with gusts to around 20 mph.

Thursday Night: Clear. Lows 54 to 61.

Friday: Sunny. Highs 87 to 96.

Friday Night through Sunday Night: Clear. Lows 55 to 65. Highs 89 to 99.

Monday: Mostly sunny. Highs 90 to 99.