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

 | 

MOJAVE RIVER - BARSTOW (MBRC1)
Latitude: 34.91º NLongitude: 117.02º WElevation: 2089 Feet
Location: San Bernardino County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: Jul 04 2025 at 8:00 AM PDTNext Issuance: Jul 05 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: 5.0 FeetModerate Flood: 5.5 FeetMajor Flood: 6.0 Feet

Mojave River - Barstow (MBRC1)River Forecast Plot

Combination chart with 4 data series.
Forecast Posted: 07/04/2025 at 7:55 AM PDT ● Graphic Created: 07/04/2025 at 8:00 AM PDT
The chart has 1 X axis displaying Time. Range: 2025-06-29 15:00:00 to 2025-07-09 15:00:00.
The chart has 2 Y axes displaying Precipitation (In.) and Precipitation (In.).
End of interactive chart.

Chart

Combination chart with 7 data series.
The chart has 1 X axis displaying Observation / Forecast Time (Pacific Local Time). Range: 2025-06-29 08:00:00 to 2025-07-09 08:00:00.
The chart has 2 Y axes displaying Stage (Feet) and Flow (Cubic Feet per Second).
End of interactive chart.
Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
Gage owner logo

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

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
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**
--
--
2020*
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
 * Discharge affected to unknown degree by regulation or diversion
 ** No flow observed during entire water year
Location Photographs
ESRI™ Locator Map
Flood Impacts
8.0 Feetat 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 Feetat 6.5 feet, Lenwood Road crossing at Mojave River potentially overtopped.
6.0 Feetat 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 Feetat 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 Feetat 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.
Official 7 Day National Weather Service Forecast   (CAZ523)
Today: Sunny. Highs around 100. Southwest winds 5 to 15 mph.

Tonight: Clear. Haze after midnight. Lows 66 to 69. Southwest winds 5 to 15 mph.

Sunday: Sunny. Haze in the morning. Highs 100 to 103. Southwest winds up to 10 mph.

Sunday Night: Clear. Lows around 70. Southwest winds 5 to 15 mph.

Monday: Sunny. Highs 101 to 104. Southwest winds 5 to 15 mph.

Monday Night: Clear. Lows 69 to 72.

Tuesday through Wednesday Night: Mostly clear. Highs 103 to 106. Lows 71 to 74.

Thursday: Sunny. Highs 105 to 108.

Thursday Night: Mostly clear. Lows 74 to 77.

Friday: Sunny. Highs 105 to 108.
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.