CNRFC - Hydrology - Observed River/Reservoir Conditions

MOJAVE RIVER - BARSTOW (MBRC1)

Latitude: 34.91º N	Longitude: 117.02º W	Elevation: 2089 Feet
Location: San Bernardino County in California		River Group: Southern California

Monitor Stage: N/A

Flood Stage: 5.0 Feet

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2025*	0**	--	--
2024*	61	3.25	Feb 7, 2024
2023*	1,910	4.51	Mar 16, 2023
2022*	0.3	2.35	Sep 13, 2022
2021*	0**	--	--
Historical High Stage/Flow Events (Period of Record - Oct 1930 to Present) - Ranked by Flow
1938*	64,300	8.60	Mar 03, 1938
1969*	30,000	6.80	Feb 25, 1969
1943*	26,000	7.00	Jan 23, 1943
2005*	20,500	3.58	Jan 11, 2005
1993*	18,600	3.39	Feb 19, 1993
1998*	15,200	3.16	Feb 24, 1998
* Discharge affected to unknown degree by regulation or diversion
** No flow observed during entire water year

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ523)

Tonight: Mostly cloudy. Lows 41 to 44. Southwest winds 5 to 15 mph.

washingtons birthday: Mostly cloudy. Slight chance of rain showers in the morning, then rain showers in the afternoon. Patchy blowing dust in the afternoon. Highs around 60. South winds 5 to 15 mph with gusts to around 30 mph increasing to southwest 20 to 30 mph with gusts to around 45 mph in the afternoon. Chance of showers 90 percent.

Monday Night: Mostly cloudy with a 50 percent chance of rain showers. Patchy blowing dust. Lows 39 to 42. Southwest winds 20 to 30 mph with gusts to around 45 mph.

Tuesday: Mostly sunny. Windy. Patchy blowing dust through the day. Chance of rain showers in the afternoon. Highs 55 to 58. Southwest winds 25 to 35 mph. Chance of showers 40 percent.

Tuesday Night: Mostly cloudy. Windy. Chance of rain showers. Patchy blowing dust through the night. Lows 40 to 43. Southwest winds 25 to 35 mph with gusts to around 50 mph. Chance of showers 50 percent.

Wednesday: Windy. Sunny with a 50 percent chance of rain showers and snow showers. Highs 49 to 52.

Wednesday Night: Partly cloudy. Breezy. Lows 33 to 36.

Thursday: Breezy. Partly sunny with chance of rain showers. Highs around 50. Chance of showers 50 percent.

Thursday Night: Breezy. Mostly clear with a 30 percent chance of rain showers and snow showers. Lows 32 to 35.

Friday through Saturday Night: Mostly clear. Highs 54 to 57. Lows 34 to 37.

Sunday: Mostly sunny. Highs 61 to 64.

Flood Impacts
8.0 Feet	at 8.0 feet, levees could be overtopped leading to extensive flooding of structures and infrastructure located along the river bank off Soapmine Road and Riverside Drive in Barstow.
6.5 Feet	at 6.5 feet, Lenwood Road crossing at Mojave River potentially overtopped.
6.0 Feet	at 6.0 feet, some levees are threatened and overtopping is possible which would bring flooding to structures located near the river bank off Soapmine Road and Riverside Drive in Barstow.
5.5 Feet	at 5.5 feet, flooding of low lying areas and farmland adjacent to the river between Hinkely Road and Yermo. Due to bank erosion the approach from the east to the Hinkley Road bridge is closed. Additional erosion of the levees can be expected.
5.0 Feet	at 5.0 feet, flooding of low lying areas adjacent to the river between Hinkley Road and Yermo. Some local erosion to the levees. Due to bank erosion the approach from the east of the Hinkley Road bridge could be in danger of being undercut. Minneola Road and Harvard Road east of Barstow could be overtopped and closed to traffic.

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 Las Vegas 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.

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