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SACRAMENTO RIVER - COLUSA WEIR (CLAC1)
Latitude:
39.24º N		Longitude:
121.99º W		Elevation:
62 Feet
Location: Colusa County in CA
River Group: Upper Sacramento
Issuance Time: Jun 30 2025 at 9:02 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
10-Day Accumulated Volume Plot
Tabular 10-Day Streamflow Volume Accumulation (1000s of Acre-Feet)
Data Updated: Jun 30 2025 at 9:09 AM PDT
ProbJul
01		Jul
02		Jul
03		Jul
04		Jul
05
10%
(Max)		0.00.00.00.00.0
25%
 		0.00.00.00.00.0
50%
(Prob)		0.00.00.00.00.0
75%
 		0.00.00.00.00.0
90%
(Min)		0.00.00.00.00.0
RFC
FCST		0.00.00.00.00.0
ProbJul
06		Jul
07		Jul
08		Jul
09		Jul
10
10%
(Max)		0.00.00.00.00.0
25%
 		0.00.00.00.00.0
50%
(Prob)		0.00.00.00.00.0
75%
 		0.00.00.00.00.0
90%
(Min)		0.00.00.00.00.0

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Sunny. Highs around 98. Southeast winds up to 10 mph.

Tonight: Clear. Lows 62 to 70. Southwest winds up to 10 mph in the evening becoming light.

Wednesday: Sunny. Highs around 98. Southeast winds up to 10 mph.

Wednesday Night: Clear. Lows 62 to 70. Southeast winds up to 10 mph.

Thursday: Mostly sunny. Highs around 93. Southeast winds up to 10 mph.

Thursday Night: Mostly clear. Lows around 61.

Independence Day: Sunny. Highs around 89.

Friday Night through Monday: Clear. Lows 56 to 64. Highs around 91.

Flood Impacts
73.9 FeetStages above 73.9 feet result in major flooding. Top of levee.
60.9 FeetColusa Weir crest elevation. Overflow begins into the Sutter Bypass.