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



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: Jul 10, 2025 at 8:24 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.
2025 Multi-Year Accumulated Volume Plot     Number of years to plot: CSV Ensemble Files (Data in kcfs):  Forecast Group  |  MHBC1

Tabular Monthly Volume Accumulation (1000s of Acre-Feet)
Probability Nov 1
2024
Dec 1
2024
Jan 1
2025
Feb 1
2025
Mar 1
2025
Apr 1
2025
May 1
2025
Jun 1
2025
Jul 1
2025
Aug 1
2025
Sep 1
2025
Oct 1
2025
10% -- -- -- -- -- -- -- -- -- 4760 4760 4770
25% -- -- -- -- -- -- -- -- -- 4760 4760 4770
50%
(Median)
-- -- -- -- -- -- -- -- -- 4760 4760 4770
75% -- -- -- -- -- -- -- -- -- 4760 4760 4770
90% -- -- -- -- -- -- -- -- -- 4760 4760 4770

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ017)
Tonight: Clear, haze. Lows 61 to 71. Southwest winds up to 10 mph shifting to the south after midnight. Gusts up to 20 mph.

Friday: Sunny. Highs 99 to 105. Southwest winds up to 10 mph.

Friday Night: Clear. Lows 60 to 70. Southwest winds up to 10 mph with gusts to around 20 mph.

Saturday: Sunny. Highs 93 to 103. Southwest winds up to 10 mph.

Saturday Night: Clear. Lows 58 to 68. South winds up to 15 mph with gusts to around 25 mph.

Sunday: Sunny. Highs 94 to 102.

Sunday Night: Clear. Lows 57 to 67.

Monday and Monday Night: Clear. Highs 95 to 103. Lows 56 to 66.

Tuesday through Thursday: Clear. Highs 87 to 97. Lows 55 to 65.